Best Locknuts. Reviews June, 2021

3/8-16 Nylon Insert Hex Lock Nuts Stainless Locknuts (25 of Pack), Bright Finish,304 Stainless Steel 18-8 SS

Search only EASTLO brand name
3/8-16 Nylon Insert Hex Lock Nuts Stainless Locknuts (25 of Pack), Bright Finish,304 Stainless Steel 18-8 SS

Current price: 8.99 USD


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Weight: 6.95 ounces

  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch;
  • Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full
  • Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures)

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Sutemribor 304 Stainless Steel Lock Nut Assortment 180 Pcs, M3 M4 M5 M6 M8 M10 M12 Nylon Insert Locknut

Search only Sutemribor brand name
Sutemribor 304 Stainless Steel Lock Nut Assortment 180 Pcs, M3 M4 M5 M6 M8 M10 M12 Nylon Insert Locknut

Current price: 12.69 USD

Saving: $7.30 (37%)


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  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch;
  • Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full
  • Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures)
  • √ Nylon Insert Lock Nuts are also known as stop nuts. Lock nuts are used for fastening to a bolt when mechanically joining materials together. The bolt threads into the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent backing off or loosening from vibration.
  • √ Top Grade 304 stainless steel nylon lock nuts in 7 common sizes for general, convenient, and handy use making it highly ideal for use professionals and DIYers. This kit is one of the few in the market with high-quality and better quantity making it a cost-efficient choice.
  • √ Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
  • √ Material: 304 Stainless Steel, strong and corrosion resistant, prevent bolts from being exposed and coming out providing better security and firm hold. Performs better compared to lock washers as it is made out of non-corrosive material.
  • √ Size: M3 M4 M5 M6 M8 M10 M12 total 180pcs in a box, meet your different needs. Allocating more quantity for the commonly used lock nuts.

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Stainless Steel Thin Jam Nylon Insert Lock Nuts 3/8-16 (pack of 25) Marine Bolt Supply

Search only Marine Bolt Supply brand name
Stainless Steel Thin Jam Nylon Insert Lock Nuts 3/8-16 (pack of 25) Marine Bolt Supply

Current price: 10.95 USD


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  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch;
  • Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full
  • Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures)
  • √ Nylon Insert Lock Nuts are also known as stop nuts. Lock nuts are used for fastening to a bolt when mechanically joining materials together. The bolt threads into the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent backing off or loosening from vibration.
  • √ Top Grade 304 stainless steel nylon lock nuts in 7 common sizes for general, convenient, and handy use making it highly ideal for use professionals and DIYers. This kit is one of the few in the market with high-quality and better quantity making it a cost-efficient choice.
  • √ Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
  • √ Material: 304 Stainless Steel, strong and corrosion resistant, prevent bolts from being exposed and coming out providing better security and firm hold. Performs better compared to lock washers as it is made out of non-corrosive material.
  • √ Size: M3 M4 M5 M6 M8 M10 M12 total 180pcs in a box, meet your different needs. Allocating more quantity for the commonly used lock nuts.
  • Refer to pictures for complete dimensions
  • Standard Type 18-8 Stainless Steel
  • High quality industrial grade stainless steel thin pattern nylon insert locking nuts

More Info

3/8-16 Nylon Insert Hex Lock Nuts, Bright Finish,304 Stainless Steel 18-8, 20 PCS

Search only EASTLO brand name
3/8-16 Nylon Insert Hex Lock Nuts, Bright Finish,304 Stainless Steel 18-8, 20 PCS

Current price: 7.99 USD


Check price and availability


  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch;
  • Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full
  • Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures)
  • √ Nylon Insert Lock Nuts are also known as stop nuts. Lock nuts are used for fastening to a bolt when mechanically joining materials together. The bolt threads into the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent backing off or loosening from vibration.
  • √ Top Grade 304 stainless steel nylon lock nuts in 7 common sizes for general, convenient, and handy use making it highly ideal for use professionals and DIYers. This kit is one of the few in the market with high-quality and better quantity making it a cost-efficient choice.
  • √ Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
  • √ Material: 304 Stainless Steel, strong and corrosion resistant, prevent bolts from being exposed and coming out providing better security and firm hold. Performs better compared to lock washers as it is made out of non-corrosive material.
  • √ Size: M3 M4 M5 M6 M8 M10 M12 total 180pcs in a box, meet your different needs. Allocating more quantity for the commonly used lock nuts.
  • Refer to pictures for complete dimensions
  • Standard Type 18-8 Stainless Steel
  • High quality industrial grade stainless steel thin pattern nylon insert locking nuts
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: approximately 9/16"; Overall Height: 15/32"
  • Thread Size:3/8-16; Thread Pitch: 16 TPI UNC Coarse Thread; Thread Coverage: Full Thread
  • Package: 20 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts

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M6 x 1.0mm Nylon Insert Hex Lock Nuts 304 Stainless Steel 18-8 Locknut, Bright Finish, Pack of 100

Search only EASTLO brand name
M6 x 1.0mm Nylon Insert Hex Lock Nuts 304 Stainless Steel 18-8 Locknut, Bright Finish, Pack of 100

Current price: 9.99 USD


Check price and availability


  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch;
  • Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full
  • Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures)
  • √ Nylon Insert Lock Nuts are also known as stop nuts. Lock nuts are used for fastening to a bolt when mechanically joining materials together. The bolt threads into the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent backing off or loosening from vibration.
  • √ Top Grade 304 stainless steel nylon lock nuts in 7 common sizes for general, convenient, and handy use making it highly ideal for use professionals and DIYers. This kit is one of the few in the market with high-quality and better quantity making it a cost-efficient choice.
  • √ Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
  • √ Material: 304 Stainless Steel, strong and corrosion resistant, prevent bolts from being exposed and coming out providing better security and firm hold. Performs better compared to lock washers as it is made out of non-corrosive material.
  • √ Size: M3 M4 M5 M6 M8 M10 M12 total 180pcs in a box, meet your different needs. Allocating more quantity for the commonly used lock nuts.
  • Refer to pictures for complete dimensions
  • Standard Type 18-8 Stainless Steel
  • High quality industrial grade stainless steel thin pattern nylon insert locking nuts
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: approximately 9/16"; Overall Height: 15/32"
  • Thread Size:3/8-16; Thread Pitch: 16 TPI UNC Coarse Thread; Thread Coverage: Full Thread
  • Package: 20 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments.
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Thread Diameter: M6 (6 mm); Thread Pitch: 1.0mm; Height: 5.9mm, Nut Width: 10mm
  • Nut Type: Hex Locknut with Blue Nylon Insert

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Swpeet 250Pcs 304 Stainless Steel Metric Lock Nut Assortment Kit Perfect for Lock Washers, Nylon Insert Locknut M3 M4 M5 M6 M8 M10 M12

Search only Swpeet brand name
Swpeet 250Pcs 304 Stainless Steel Metric Lock Nut Assortment Kit Perfect for Lock Washers, Nylon Insert Locknut M3 M4 M5 M6 M8 M10 M12

Current price: 17.99 USD


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  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch;
  • Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full
  • Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures)
  • √ Nylon Insert Lock Nuts are also known as stop nuts. Lock nuts are used for fastening to a bolt when mechanically joining materials together. The bolt threads into the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent backing off or loosening from vibration.
  • √ Top Grade 304 stainless steel nylon lock nuts in 7 common sizes for general, convenient, and handy use making it highly ideal for use professionals and DIYers. This kit is one of the few in the market with high-quality and better quantity making it a cost-efficient choice.
  • √ Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
  • √ Material: 304 Stainless Steel, strong and corrosion resistant, prevent bolts from being exposed and coming out providing better security and firm hold. Performs better compared to lock washers as it is made out of non-corrosive material.
  • √ Size: M3 M4 M5 M6 M8 M10 M12 total 180pcs in a box, meet your different needs. Allocating more quantity for the commonly used lock nuts.
  • Refer to pictures for complete dimensions
  • Standard Type 18-8 Stainless Steel
  • High quality industrial grade stainless steel thin pattern nylon insert locking nuts
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: approximately 9/16"; Overall Height: 15/32"
  • Thread Size:3/8-16; Thread Pitch: 16 TPI UNC Coarse Thread; Thread Coverage: Full Thread
  • Package: 20 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments.
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Thread Diameter: M6 (6 mm); Thread Pitch: 1.0mm; Height: 5.9mm, Nut Width: 10mm
  • Nut Type: Hex Locknut with Blue Nylon Insert
  • ☛ WHAT YOU GET ------ In this kit, You will get 250Pcs 304 Stainless Steel Metric Lock Nut Assortment Kit. It consists of M3 ( 65Pcs ), M4 ( 55Pcs ), M5 (45Pcs), M6 ( 35Pcs ), M8 (25Pcs), M10 ( 15Pcs ) and M12 ( 10Pcs ). Allocate more of the commonly used locking nuts.
  • ☛ EASY TO STOREAGE ------ The rugged plastic box serves as a suitcase, allowing users to organize locking nuts in a neat manner according to size. It can also be stored in a garage, workbench or worksite as a convenient storage space. The transparency of the box allows users to check the quantity and inventory without opening the box.
  • ☛ MULTIFUNCTIONAL ASSEMNLY KIT ------ Advanced 304 stainless steel nylon locking nut, 7 common sizes, general, convenient, easy to use, very suitable for professionals and DIY users. This suite is one of the few products on the market. It has high quality and better quantity. It is an economical and efficient choice.
  • ☛ HIGH QUALITY ------ Have strong anti-rotation ability, which can prevent the locking nut from weakening and loosening under vibration and torque, thus reducing the clamping strength. Guaranteed intact, unswerving, almost indestructible.
  • ☛ NYLON COLLAR ------ These lock nut manufactured with industrial strength, which can replace locking washers, prevent bolts from being exposed and provide better safety and firm fixation. Compared with locking washer, it has better performance because it is made of non-corrosive material.

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1/4-20 NE Nylon Insert Hex Lock Nut Black Oxide (Pack of 100)

Search only Small Parts brand name
1/4-20 NE Nylon Insert Hex Lock Nut Black Oxide (Pack of 100)

Current price: 8.6 USD


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Height: 0.313 Inches

Length: 0.01 Inches

Width: 0.438 Inches

  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch;
  • Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full
  • Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures)
  • √ Nylon Insert Lock Nuts are also known as stop nuts. Lock nuts are used for fastening to a bolt when mechanically joining materials together. The bolt threads into the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent backing off or loosening from vibration.
  • √ Top Grade 304 stainless steel nylon lock nuts in 7 common sizes for general, convenient, and handy use making it highly ideal for use professionals and DIYers. This kit is one of the few in the market with high-quality and better quantity making it a cost-efficient choice.
  • √ Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
  • √ Material: 304 Stainless Steel, strong and corrosion resistant, prevent bolts from being exposed and coming out providing better security and firm hold. Performs better compared to lock washers as it is made out of non-corrosive material.
  • √ Size: M3 M4 M5 M6 M8 M10 M12 total 180pcs in a box, meet your different needs. Allocating more quantity for the commonly used lock nuts.
  • Refer to pictures for complete dimensions
  • Standard Type 18-8 Stainless Steel
  • High quality industrial grade stainless steel thin pattern nylon insert locking nuts
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: approximately 9/16"; Overall Height: 15/32"
  • Thread Size:3/8-16; Thread Pitch: 16 TPI UNC Coarse Thread; Thread Coverage: Full Thread
  • Package: 20 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments.
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Thread Diameter: M6 (6 mm); Thread Pitch: 1.0mm; Height: 5.9mm, Nut Width: 10mm
  • Nut Type: Hex Locknut with Blue Nylon Insert
  • ☛ WHAT YOU GET ------ In this kit, You will get 250Pcs 304 Stainless Steel Metric Lock Nut Assortment Kit. It consists of M3 ( 65Pcs ), M4 ( 55Pcs ), M5 (45Pcs), M6 ( 35Pcs ), M8 (25Pcs), M10 ( 15Pcs ) and M12 ( 10Pcs ). Allocate more of the commonly used locking nuts.
  • ☛ EASY TO STOREAGE ------ The rugged plastic box serves as a suitcase, allowing users to organize locking nuts in a neat manner according to size. It can also be stored in a garage, workbench or worksite as a convenient storage space. The transparency of the box allows users to check the quantity and inventory without opening the box.
  • ☛ MULTIFUNCTIONAL ASSEMNLY KIT ------ Advanced 304 stainless steel nylon locking nut, 7 common sizes, general, convenient, easy to use, very suitable for professionals and DIY users. This suite is one of the few products on the market. It has high quality and better quantity. It is an economical and efficient choice.
  • ☛ HIGH QUALITY ------ Have strong anti-rotation ability, which can prevent the locking nut from weakening and loosening under vibration and torque, thus reducing the clamping strength. Guaranteed intact, unswerving, almost indestructible.
  • ☛ NYLON COLLAR ------ These lock nut manufactured with industrial strength, which can replace locking washers, prevent bolts from being exposed and provide better safety and firm fixation. Compared with locking washer, it has better performance because it is made of non-corrosive material.
  • Part Number: 14NSB
  • Country of Origin : Taiwan, Province Of China
  • Package Weight: 0.79 pounds
  • Package Dimensions: 5 L x 1 H x 5 W (inches)

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M8 x 1.25mm Metric (10 of Pack) Flange Nylon Insert Hex Locknuts Lock Nuts, 304 Stainless Steel 18-8, Bright Finish

Search only EASTLO brand name
M8 x 1.25mm Metric (10 of Pack) Flange Nylon Insert Hex Locknuts Lock Nuts, 304 Stainless Steel 18-8, Bright Finish

Current price: 6.99 USD


Check price and availability


  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch;
  • Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full
  • Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures)
  • √ Nylon Insert Lock Nuts are also known as stop nuts. Lock nuts are used for fastening to a bolt when mechanically joining materials together. The bolt threads into the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent backing off or loosening from vibration.
  • √ Top Grade 304 stainless steel nylon lock nuts in 7 common sizes for general, convenient, and handy use making it highly ideal for use professionals and DIYers. This kit is one of the few in the market with high-quality and better quantity making it a cost-efficient choice.
  • √ Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
  • √ Material: 304 Stainless Steel, strong and corrosion resistant, prevent bolts from being exposed and coming out providing better security and firm hold. Performs better compared to lock washers as it is made out of non-corrosive material.
  • √ Size: M3 M4 M5 M6 M8 M10 M12 total 180pcs in a box, meet your different needs. Allocating more quantity for the commonly used lock nuts.
  • Refer to pictures for complete dimensions
  • Standard Type 18-8 Stainless Steel
  • High quality industrial grade stainless steel thin pattern nylon insert locking nuts
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: approximately 9/16"; Overall Height: 15/32"
  • Thread Size:3/8-16; Thread Pitch: 16 TPI UNC Coarse Thread; Thread Coverage: Full Thread
  • Package: 20 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments.
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Thread Diameter: M6 (6 mm); Thread Pitch: 1.0mm; Height: 5.9mm, Nut Width: 10mm
  • Nut Type: Hex Locknut with Blue Nylon Insert
  • ☛ WHAT YOU GET ------ In this kit, You will get 250Pcs 304 Stainless Steel Metric Lock Nut Assortment Kit. It consists of M3 ( 65Pcs ), M4 ( 55Pcs ), M5 (45Pcs), M6 ( 35Pcs ), M8 (25Pcs), M10 ( 15Pcs ) and M12 ( 10Pcs ). Allocate more of the commonly used locking nuts.
  • ☛ EASY TO STOREAGE ------ The rugged plastic box serves as a suitcase, allowing users to organize locking nuts in a neat manner according to size. It can also be stored in a garage, workbench or worksite as a convenient storage space. The transparency of the box allows users to check the quantity and inventory without opening the box.
  • ☛ MULTIFUNCTIONAL ASSEMNLY KIT ------ Advanced 304 stainless steel nylon locking nut, 7 common sizes, general, convenient, easy to use, very suitable for professionals and DIY users. This suite is one of the few products on the market. It has high quality and better quantity. It is an economical and efficient choice.
  • ☛ HIGH QUALITY ------ Have strong anti-rotation ability, which can prevent the locking nut from weakening and loosening under vibration and torque, thus reducing the clamping strength. Guaranteed intact, unswerving, almost indestructible.
  • ☛ NYLON COLLAR ------ These lock nut manufactured with industrial strength, which can replace locking washers, prevent bolts from being exposed and provide better safety and firm fixation. Compared with locking washer, it has better performance because it is made of non-corrosive material.
  • Part Number: 14NSB
  • Country of Origin : Taiwan, Province Of China
  • Package Weight: 0.79 pounds
  • Package Dimensions: 5 L x 1 H x 5 W (inches)
  • HIGH QUALITY MATERIAL: 100% Stainless steel 304(18-8) which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments.
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Thread Diameter: M8 (8 mm); Thread Pitch: 1.25mm; Nut Width: 12.45mm; Overall Length: 10.67-11.10mm
  • Nut Type: Flange Locknut with Blue Nylon Insert

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Hard-to-Find Fastener 014973473778 Grade 8 Fine Lock Nuts, 1/2-20, Piece-25

Search only Hard-to-Find Fastener brand name
Hard-to-Find Fastener 014973473778 Grade 8 Fine Lock Nuts, 1/2-20, Piece-25

Current price: 15.33 USD


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Height: 2.12 Inches

Length: 3.12 Inches

Width: 2.19 Inches

Weight: 1.1 Pounds

  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch;
  • Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full
  • Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures)
  • √ Nylon Insert Lock Nuts are also known as stop nuts. Lock nuts are used for fastening to a bolt when mechanically joining materials together. The bolt threads into the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent backing off or loosening from vibration.
  • √ Top Grade 304 stainless steel nylon lock nuts in 7 common sizes for general, convenient, and handy use making it highly ideal for use professionals and DIYers. This kit is one of the few in the market with high-quality and better quantity making it a cost-efficient choice.
  • √ Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
  • √ Material: 304 Stainless Steel, strong and corrosion resistant, prevent bolts from being exposed and coming out providing better security and firm hold. Performs better compared to lock washers as it is made out of non-corrosive material.
  • √ Size: M3 M4 M5 M6 M8 M10 M12 total 180pcs in a box, meet your different needs. Allocating more quantity for the commonly used lock nuts.
  • Refer to pictures for complete dimensions
  • Standard Type 18-8 Stainless Steel
  • High quality industrial grade stainless steel thin pattern nylon insert locking nuts
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: approximately 9/16"; Overall Height: 15/32"
  • Thread Size:3/8-16; Thread Pitch: 16 TPI UNC Coarse Thread; Thread Coverage: Full Thread
  • Package: 20 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments.
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Thread Diameter: M6 (6 mm); Thread Pitch: 1.0mm; Height: 5.9mm, Nut Width: 10mm
  • Nut Type: Hex Locknut with Blue Nylon Insert
  • ☛ WHAT YOU GET ------ In this kit, You will get 250Pcs 304 Stainless Steel Metric Lock Nut Assortment Kit. It consists of M3 ( 65Pcs ), M4 ( 55Pcs ), M5 (45Pcs), M6 ( 35Pcs ), M8 (25Pcs), M10 ( 15Pcs ) and M12 ( 10Pcs ). Allocate more of the commonly used locking nuts.
  • ☛ EASY TO STOREAGE ------ The rugged plastic box serves as a suitcase, allowing users to organize locking nuts in a neat manner according to size. It can also be stored in a garage, workbench or worksite as a convenient storage space. The transparency of the box allows users to check the quantity and inventory without opening the box.
  • ☛ MULTIFUNCTIONAL ASSEMNLY KIT ------ Advanced 304 stainless steel nylon locking nut, 7 common sizes, general, convenient, easy to use, very suitable for professionals and DIY users. This suite is one of the few products on the market. It has high quality and better quantity. It is an economical and efficient choice.
  • ☛ HIGH QUALITY ------ Have strong anti-rotation ability, which can prevent the locking nut from weakening and loosening under vibration and torque, thus reducing the clamping strength. Guaranteed intact, unswerving, almost indestructible.
  • ☛ NYLON COLLAR ------ These lock nut manufactured with industrial strength, which can replace locking washers, prevent bolts from being exposed and provide better safety and firm fixation. Compared with locking washer, it has better performance because it is made of non-corrosive material.
  • Part Number: 14NSB
  • Country of Origin : Taiwan, Province Of China
  • Package Weight: 0.79 pounds
  • Package Dimensions: 5 L x 1 H x 5 W (inches)
  • HIGH QUALITY MATERIAL: 100% Stainless steel 304(18-8) which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments.
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Thread Diameter: M8 (8 mm); Thread Pitch: 1.25mm; Nut Width: 12.45mm; Overall Length: 10.67-11.10mm
  • Nut Type: Flange Locknut with Blue Nylon Insert
  • Driver Type: 3/4" Wrench
  • Finish: Yellow Zinc
  • Material: Steel
  • Thickness: 39/64 inches
  • Diameter: 1/2"

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M3 x 0.5 Nylon Insert Hex Lock Nuts Locknuts, Stainless Steel 18-8 (304), Bright Finish, 40 PCS

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M3 x 0.5 Nylon Insert Hex Lock Nuts Locknuts, Stainless Steel 18-8 (304), Bright Finish, 40 PCS

Current price: 5.99 USD


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  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch;
  • Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full
  • Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures)
  • √ Nylon Insert Lock Nuts are also known as stop nuts. Lock nuts are used for fastening to a bolt when mechanically joining materials together. The bolt threads into the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent backing off or loosening from vibration.
  • √ Top Grade 304 stainless steel nylon lock nuts in 7 common sizes for general, convenient, and handy use making it highly ideal for use professionals and DIYers. This kit is one of the few in the market with high-quality and better quantity making it a cost-efficient choice.
  • √ Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
  • √ Material: 304 Stainless Steel, strong and corrosion resistant, prevent bolts from being exposed and coming out providing better security and firm hold. Performs better compared to lock washers as it is made out of non-corrosive material.
  • √ Size: M3 M4 M5 M6 M8 M10 M12 total 180pcs in a box, meet your different needs. Allocating more quantity for the commonly used lock nuts.
  • Refer to pictures for complete dimensions
  • Standard Type 18-8 Stainless Steel
  • High quality industrial grade stainless steel thin pattern nylon insert locking nuts
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments
  • Hex Drive Size: 9/16"; Width From Flat to Flat: approximately 9/16"; Overall Height: 15/32"
  • Thread Size:3/8-16; Thread Pitch: 16 TPI UNC Coarse Thread; Thread Coverage: Full Thread
  • Package: 20 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts
  • Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments.
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Thread Diameter: M6 (6 mm); Thread Pitch: 1.0mm; Height: 5.9mm, Nut Width: 10mm
  • Nut Type: Hex Locknut with Blue Nylon Insert
  • ☛ WHAT YOU GET ------ In this kit, You will get 250Pcs 304 Stainless Steel Metric Lock Nut Assortment Kit. It consists of M3 ( 65Pcs ), M4 ( 55Pcs ), M5 (45Pcs), M6 ( 35Pcs ), M8 (25Pcs), M10 ( 15Pcs ) and M12 ( 10Pcs ). Allocate more of the commonly used locking nuts.
  • ☛ EASY TO STOREAGE ------ The rugged plastic box serves as a suitcase, allowing users to organize locking nuts in a neat manner according to size. It can also be stored in a garage, workbench or worksite as a convenient storage space. The transparency of the box allows users to check the quantity and inventory without opening the box.
  • ☛ MULTIFUNCTIONAL ASSEMNLY KIT ------ Advanced 304 stainless steel nylon locking nut, 7 common sizes, general, convenient, easy to use, very suitable for professionals and DIY users. This suite is one of the few products on the market. It has high quality and better quantity. It is an economical and efficient choice.
  • ☛ HIGH QUALITY ------ Have strong anti-rotation ability, which can prevent the locking nut from weakening and loosening under vibration and torque, thus reducing the clamping strength. Guaranteed intact, unswerving, almost indestructible.
  • ☛ NYLON COLLAR ------ These lock nut manufactured with industrial strength, which can replace locking washers, prevent bolts from being exposed and provide better safety and firm fixation. Compared with locking washer, it has better performance because it is made of non-corrosive material.
  • Part Number: 14NSB
  • Country of Origin : Taiwan, Province Of China
  • Package Weight: 0.79 pounds
  • Package Dimensions: 5 L x 1 H x 5 W (inches)
  • HIGH QUALITY MATERIAL: 100% Stainless steel 304(18-8) which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments.
  • Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque.
  • Thread Diameter: M8 (8 mm); Thread Pitch: 1.25mm; Nut Width: 12.45mm; Overall Length: 10.67-11.10mm
  • Nut Type: Flange Locknut with Blue Nylon Insert
  • Driver Type: 3/4" Wrench
  • Finish: Yellow Zinc
  • Material: Steel
  • Thickness: 39/64 inches
  • Diameter: 1/2"
  • Package Included : 40 PCS.
  • Color : Bright Finish.
  • Inside Diameter : 3 mm; Thread Size : 0.5 mm.
  • Product Type : Nylon Insert Locknuts; System of Measurement : Metric.
  • Made of high quality Stainless Steel 18-8 (304), rust resistance and durable to use.

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