Best Step Drill Bits. Reviews June, 2021

CO-Z 5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case

Search only CO-Z brand name
CO-Z 5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case

Current price: 21.99 USD


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Height: 6.1 Inches

Length: 4.33 Inches

Width: 1.57 Inches

  • All the bits come in a well-organized case for easy transport and storage.
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.

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Jerax tools Step Drill Bit Straight Grooved Double Fluted 3/16 to 7/8 Inch, M2 High speed steel drill bits for hole drilling in Stainless steel, Copper, Aluminum, Wood, Plastic, Unibit with highlighted steps and size marks

Search only Jerax tools brand name
Jerax tools Step Drill Bit Straight Grooved Double Fluted 3/16 to 7/8 Inch, M2 High speed steel drill bits for hole drilling in Stainless steel, Copper, Aluminum, Wood, Plastic, Unibit with highlighted steps and size marks

Current price: 14.99 USD


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Height: 3.55 Inches

Length: 0.98 Inches

Width: 0.98 Inches

  • All the bits come in a well-organized case for easy transport and storage.
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • [One Bit for All]: Comes with 12 sizes so you can drill up to 12 holes with different diameters, saving you time and efforts to change bits. 3/8" Tri-Flatted shank fits into power tools chuck securely and eliminates slip.
  • [Application]: Designed for drilling small and large-diameter holes in Stainless steel, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for the Stainless steel, or 1/8inch /3mm thickess for other materials.
  • [Split point self-starting tip & Double flutes]: Requires no pilot hole and penetrates faster.
  • [Highlighted Steps and Size marks]: Both marks let you see while drilling so you can easily stop on any hole size.
  • [M2 HSS with Vacuum heat treatment and Nitride surface hardening treatment]: Compared to other commonly used lower grade HSS, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving the durablity. The additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.

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CO-Z HSS 5PCS Titanium Step Drill Bit Set with Automatic Center Punch, 50 Sizes in 5 High Speed Steel Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers

Search only CO-Z brand name
CO-Z HSS 5PCS Titanium Step Drill Bit Set with Automatic Center Punch, 50 Sizes in 5 High Speed Steel Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers

Current price: 24.99 USD


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  • All the bits come in a well-organized case for easy transport and storage.
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • [One Bit for All]: Comes with 12 sizes so you can drill up to 12 holes with different diameters, saving you time and efforts to change bits. 3/8" Tri-Flatted shank fits into power tools chuck securely and eliminates slip.
  • [Application]: Designed for drilling small and large-diameter holes in Stainless steel, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for the Stainless steel, or 1/8inch /3mm thickess for other materials.
  • [Split point self-starting tip & Double flutes]: Requires no pilot hole and penetrates faster.
  • [Highlighted Steps and Size marks]: Both marks let you see while drilling so you can easily stop on any hole size.
  • [M2 HSS with Vacuum heat treatment and Nitride surface hardening treatment]: Compared to other commonly used lower grade HSS, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving the durablity. The additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
  • A Must-have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.
  • 50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.
  • Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
  • Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
  • HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.

More Info

Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel | 3-Piece Set | Total 28 Sizes

Search only Neiko brand name
Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel | 3-Piece Set | Total 28 Sizes

Current price: 11.99 USD


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Height: 1 Inches

Length: 6 Inches

Width: 4 Inches

Weight: 0.015625 Pounds

  • All the bits come in a well-organized case for easy transport and storage.
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • [One Bit for All]: Comes with 12 sizes so you can drill up to 12 holes with different diameters, saving you time and efforts to change bits. 3/8" Tri-Flatted shank fits into power tools chuck securely and eliminates slip.
  • [Application]: Designed for drilling small and large-diameter holes in Stainless steel, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for the Stainless steel, or 1/8inch /3mm thickess for other materials.
  • [Split point self-starting tip & Double flutes]: Requires no pilot hole and penetrates faster.
  • [Highlighted Steps and Size marks]: Both marks let you see while drilling so you can easily stop on any hole size.
  • [M2 HSS with Vacuum heat treatment and Nitride surface hardening treatment]: Compared to other commonly used lower grade HSS, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving the durablity. The additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
  • A Must-have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.
  • 50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.
  • Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
  • Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
  • HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.
  • SET INCLUDES: Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal

More Info

Neiko 10194A Titanium Step Drill Bit, High Speed Steel | 1/4 to 1-3/8 | Total 10 Step Sizes

Search only Neiko brand name
Neiko 10194A Titanium Step Drill Bit, High Speed Steel | 1/4 to 1-3/8 | Total 10 Step Sizes

Current price: 12.99 USD


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Height: 1.6 Inches

Length: 6.1 Inches

Width: 2.9 Inches

Weight: 0.31 Pounds

  • All the bits come in a well-organized case for easy transport and storage.
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • [One Bit for All]: Comes with 12 sizes so you can drill up to 12 holes with different diameters, saving you time and efforts to change bits. 3/8" Tri-Flatted shank fits into power tools chuck securely and eliminates slip.
  • [Application]: Designed for drilling small and large-diameter holes in Stainless steel, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for the Stainless steel, or 1/8inch /3mm thickess for other materials.
  • [Split point self-starting tip & Double flutes]: Requires no pilot hole and penetrates faster.
  • [Highlighted Steps and Size marks]: Both marks let you see while drilling so you can easily stop on any hole size.
  • [M2 HSS with Vacuum heat treatment and Nitride surface hardening treatment]: Compared to other commonly used lower grade HSS, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving the durablity. The additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
  • A Must-have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.
  • 50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.
  • Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
  • Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
  • HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.
  • SET INCLUDES: Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • INCLUDES 10 STEP SIZES: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal

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COMOWARE Step Drill Bit - Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Drill Bit, Total 10 Sizes

Search only COMOWARE brand name
COMOWARE Step Drill Bit - Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Drill Bit, Total 10 Sizes

Current price: 10.89 USD


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  • All the bits come in a well-organized case for easy transport and storage.
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • [One Bit for All]: Comes with 12 sizes so you can drill up to 12 holes with different diameters, saving you time and efforts to change bits. 3/8" Tri-Flatted shank fits into power tools chuck securely and eliminates slip.
  • [Application]: Designed for drilling small and large-diameter holes in Stainless steel, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for the Stainless steel, or 1/8inch /3mm thickess for other materials.
  • [Split point self-starting tip & Double flutes]: Requires no pilot hole and penetrates faster.
  • [Highlighted Steps and Size marks]: Both marks let you see while drilling so you can easily stop on any hole size.
  • [M2 HSS with Vacuum heat treatment and Nitride surface hardening treatment]: Compared to other commonly used lower grade HSS, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving the durablity. The additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
  • A Must-have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.
  • 50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.
  • Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
  • Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
  • HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.
  • SET INCLUDES: Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • INCLUDES 10 STEP SIZES: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • Size Includes - One drill with 10 steps: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8" can fit the majority of brands currently on the market.
  • Safety and Stability- The 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
  • Design - The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
  • Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
  • HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.

More Info

Neiko 10174A Quick Change Spiral Grooved Step Drill Bit | 10 Step Drill Bit Sizes in One - 1/4" to 1-3/8" | High-Speed Steel and Titanium Nitride Coating | Two-Flute Design

Search only Neiko brand name
Neiko 10174A Quick Change Spiral Grooved Step Drill Bit | 10 Step Drill Bit Sizes in One - 1/4

Current price: 12.9 USD


Check price and availability


  • All the bits come in a well-organized case for easy transport and storage.
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • [One Bit for All]: Comes with 12 sizes so you can drill up to 12 holes with different diameters, saving you time and efforts to change bits. 3/8" Tri-Flatted shank fits into power tools chuck securely and eliminates slip.
  • [Application]: Designed for drilling small and large-diameter holes in Stainless steel, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for the Stainless steel, or 1/8inch /3mm thickess for other materials.
  • [Split point self-starting tip & Double flutes]: Requires no pilot hole and penetrates faster.
  • [Highlighted Steps and Size marks]: Both marks let you see while drilling so you can easily stop on any hole size.
  • [M2 HSS with Vacuum heat treatment and Nitride surface hardening treatment]: Compared to other commonly used lower grade HSS, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving the durablity. The additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
  • A Must-have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.
  • 50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.
  • Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
  • Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
  • HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.
  • SET INCLUDES: Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • INCLUDES 10 STEP SIZES: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • Size Includes - One drill with 10 steps: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8" can fit the majority of brands currently on the market.
  • Safety and Stability- The 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
  • Design - The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
  • Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
  • HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
  • [SIZES]: 10 In One - 1/4, 3/8, 1/2", 5/8, 3/4", 7/8, 1, 1-1/8, 1-1/4, 1-3/8
  • [CONVENIENT]: Two-Flute Spiral Grooved Design deburrs chip, dust, and debris for faster and smoother cutting.
  • [EFFICIENT]: 1/4 inch Quick Change Hex Shank to fit most pistol drills and drill presses securely.
  • [DURABLE]: Coated in HSS and Titanium nitride for maximum durability.
  • [QUALITY]: Made with heavy duty High Speed Steel for powerful punching and drilling of clean holes.

More Info

Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch

Search only Klein Tools brand name
Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch

Current price: 54.97 USD

Saving: $18.39 (25%)


Check price and availability


Height: 0.7 Inches

Length: 5.2 Inches

Width: 3.4 Inches

Weight: 0.35 Pounds

  • All the bits come in a well-organized case for easy transport and storage.
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • [One Bit for All]: Comes with 12 sizes so you can drill up to 12 holes with different diameters, saving you time and efforts to change bits. 3/8" Tri-Flatted shank fits into power tools chuck securely and eliminates slip.
  • [Application]: Designed for drilling small and large-diameter holes in Stainless steel, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for the Stainless steel, or 1/8inch /3mm thickess for other materials.
  • [Split point self-starting tip & Double flutes]: Requires no pilot hole and penetrates faster.
  • [Highlighted Steps and Size marks]: Both marks let you see while drilling so you can easily stop on any hole size.
  • [M2 HSS with Vacuum heat treatment and Nitride surface hardening treatment]: Compared to other commonly used lower grade HSS, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving the durablity. The additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
  • A Must-have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.
  • 50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.
  • Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
  • Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
  • HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.
  • SET INCLUDES: Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • INCLUDES 10 STEP SIZES: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • Size Includes - One drill with 10 steps: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8" can fit the majority of brands currently on the market.
  • Safety and Stability- The 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
  • Design - The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
  • Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
  • HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
  • [SIZES]: 10 In One - 1/4, 3/8, 1/2", 5/8, 3/4", 7/8, 1, 1-1/8, 1-1/4, 1-3/8
  • [CONVENIENT]: Two-Flute Spiral Grooved Design deburrs chip, dust, and debris for faster and smoother cutting.
  • [EFFICIENT]: 1/4 inch Quick Change Hex Shank to fit most pistol drills and drill presses securely.
  • [DURABLE]: Coated in HSS and Titanium nitride for maximum durability.
  • [QUALITY]: Made with heavy duty High Speed Steel for powerful punching and drilling of clean holes.
  • 3 hole sizes
  • Thick 3/8-Inch hex shank won't round out in the drill chuck for a more positive grip
  • High-visibility silver targets for primary hole sizes
  • Fast-starting, non-walking drill tip
  • Two flutes cut faster and keep bit cooler

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Neiko - 43219-22909 10181A Quick Change HSS Titanium Coated Spiral Grooved Step Drill Bit 3-Piece Set | 31 Step Sizes in One Kit

Search only Neiko brand name
Neiko - 43219-22909 10181A Quick Change HSS Titanium Coated Spiral Grooved Step Drill Bit 3-Piece Set | 31 Step Sizes in One Kit

Current price: 16.77 USD


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  • All the bits come in a well-organized case for easy transport and storage.
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • [One Bit for All]: Comes with 12 sizes so you can drill up to 12 holes with different diameters, saving you time and efforts to change bits. 3/8" Tri-Flatted shank fits into power tools chuck securely and eliminates slip.
  • [Application]: Designed for drilling small and large-diameter holes in Stainless steel, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for the Stainless steel, or 1/8inch /3mm thickess for other materials.
  • [Split point self-starting tip & Double flutes]: Requires no pilot hole and penetrates faster.
  • [Highlighted Steps and Size marks]: Both marks let you see while drilling so you can easily stop on any hole size.
  • [M2 HSS with Vacuum heat treatment and Nitride surface hardening treatment]: Compared to other commonly used lower grade HSS, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving the durablity. The additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
  • A Must-have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.
  • 50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.
  • Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
  • Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
  • HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.
  • SET INCLUDES: Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • INCLUDES 10 STEP SIZES: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • Size Includes - One drill with 10 steps: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8" can fit the majority of brands currently on the market.
  • Safety and Stability- The 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
  • Design - The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
  • Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
  • HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
  • [SIZES]: 10 In One - 1/4, 3/8, 1/2", 5/8, 3/4", 7/8, 1, 1-1/8, 1-1/4, 1-3/8
  • [CONVENIENT]: Two-Flute Spiral Grooved Design deburrs chip, dust, and debris for faster and smoother cutting.
  • [EFFICIENT]: 1/4 inch Quick Change Hex Shank to fit most pistol drills and drill presses securely.
  • [DURABLE]: Coated in HSS and Titanium nitride for maximum durability.
  • [QUALITY]: Made with heavy duty High Speed Steel for powerful punching and drilling of clean holes.
  • 3 hole sizes
  • Thick 3/8-Inch hex shank won't round out in the drill chuck for a more positive grip
  • High-visibility silver targets for primary hole sizes
  • Fast-starting, non-walking drill tip
  • Two flutes cut faster and keep bit cooler
  • Assortment comes with 3 drill bits of a combined 31 sizes to add to your drilling arsenal: 13 step drill (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch) 6 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch)
  • Quick change 1/4-inch hex shank makes for easy, convenient bit switches and is compatible with impact ready power tools
  • Two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting
  • Unibit split point tip accelerates cutting speed while preventing angled walking away from center line of bore
  • Constructed of industrial high speed steel with titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel and other types of sheet metal

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Step Drill Bit Set - Titanium Coated, High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers,3pcs

Search only Aimeiya brand name
Step Drill Bit Set - Titanium Coated, High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers,3pcs

Current price: 9.99 USD


Check price and availability


  • All the bits come in a well-organized case for easy transport and storage.
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • [One Bit for All]: Comes with 12 sizes so you can drill up to 12 holes with different diameters, saving you time and efforts to change bits. 3/8" Tri-Flatted shank fits into power tools chuck securely and eliminates slip.
  • [Application]: Designed for drilling small and large-diameter holes in Stainless steel, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for the Stainless steel, or 1/8inch /3mm thickess for other materials.
  • [Split point self-starting tip & Double flutes]: Requires no pilot hole and penetrates faster.
  • [Highlighted Steps and Size marks]: Both marks let you see while drilling so you can easily stop on any hole size.
  • [M2 HSS with Vacuum heat treatment and Nitride surface hardening treatment]: Compared to other commonly used lower grade HSS, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving the durablity. The additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
  • A Must-have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.
  • 50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.
  • Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
  • Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
  • HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.
  • SET INCLUDES: Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • INCLUDES 10 STEP SIZES: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • Size Includes - One drill with 10 steps: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8" can fit the majority of brands currently on the market.
  • Safety and Stability- The 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
  • Design - The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
  • Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
  • HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
  • [SIZES]: 10 In One - 1/4, 3/8, 1/2", 5/8, 3/4", 7/8, 1, 1-1/8, 1-1/4, 1-3/8
  • [CONVENIENT]: Two-Flute Spiral Grooved Design deburrs chip, dust, and debris for faster and smoother cutting.
  • [EFFICIENT]: 1/4 inch Quick Change Hex Shank to fit most pistol drills and drill presses securely.
  • [DURABLE]: Coated in HSS and Titanium nitride for maximum durability.
  • [QUALITY]: Made with heavy duty High Speed Steel for powerful punching and drilling of clean holes.
  • 3 hole sizes
  • Thick 3/8-Inch hex shank won't round out in the drill chuck for a more positive grip
  • High-visibility silver targets for primary hole sizes
  • Fast-starting, non-walking drill tip
  • Two flutes cut faster and keep bit cooler
  • Assortment comes with 3 drill bits of a combined 31 sizes to add to your drilling arsenal: 13 step drill (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch) 6 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch)
  • Quick change 1/4-inch hex shank makes for easy, convenient bit switches and is compatible with impact ready power tools
  • Two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting
  • Unibit split point tip accelerates cutting speed while preventing angled walking away from center line of bore
  • Constructed of industrial high speed steel with titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel and other types of sheet metal
  • 【SET INCLUDES】The cone drill bits set includes 3 common sizes for versatility. Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4". If you are not fully satisfied with the step bit for any reason, please contact us for 100% refund or replacement.
  • 【WELL PERFORMED 】 The multiple hole drill bit set include 28 size, which can cuts through steel, sheet metal, wood board and other surfaces creating relatively clean holes as you drill. Suitable for home DIY, and general building/ engineering use.t slippage and shedding during the rotation.
  • 【TRI-FLATTED SHANK】 Each unibit step drill bit optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output.
  • 【DOUBLE CUTTING BLADES DESIGN】The HSS step drill bit set is designed with double cutting blades, which provides faster, smoother and accurate drilling.
  • 【QUILITY STEP DRILL BITS】 The step drill bits are made of classic high-speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, wood board, copper, stainless steel and many other types of sheet metal.

More Info

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