Lock Nuts（Surface Treatment (Details)：Trivalent Chromate）

• • On Sale Till 31/03/2025

  

  U-Nuts (Pack)【1-100 Pieces Per Package】

  MISUMI

  [Features]
  · Capable of stable anti-loosening effect. Prevents screws from falling off even when declines in axial tension.
  · Being a solid metal product, the nuts are highly resistant to heat and cold.
  · Simplified fastening task makes work management easier.
  · Easy parts management prevents inappropriate installation.
  · Reusable.
  [Materials] SS400, SUS304, Equivalent, SUS301.
  [Surfacetreatment] Trivalent bright chromate plating, Trivalent chromate.
  [Nominal of Thread (M)] 4, 5, 6, 8, 10, 12, 16.
  [Pitch] 0.7, 0.8, 1, 1.25, 1.5, 1.75, 2

  • Volume Discount

  CAD ：

  2D / 3D

  	Special Price
  Days to Ship:	Same day or more

• • On Sale Till 31/03/2025

  

  Double Locking Nuts

  MISUMI

  [Features]
  [Materials] SS400 equivalent, SUS304 equivalent, S45C equivalent, SCM435 equivalent.
  [Surface treatment] Trivalent chromate.
  [Height (mm)] 8, 10.6, 13.2, 16, 18.5, 20.

  • Volume Discount

  CAD ：

  2D / 3D

  	Special Price
  Days to Ship:	Same day

• • On Sale Till 31/03/2025

  

  U Nut Class 1 and 2 (Steel/SUS304)【1-80 Pieces Per Package】

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  	Special Price
  Days to Ship:	14 Day(s) or more

• 

  Lead Lock Nut【80-7,000 Pieces Per Package】

  SUNCO

  If necessary, it can be removed when required, and it does not become loose even it is shaken intensely during use, the lead lock nut is a product that resolves this contradictory duality well.

  CAD ：

  2D / 3D

  Days to Ship:	18 Day(s) or more

• 

  Iron and Stainless Steel Stable Nut【100-2,000 Pieces Per Package】

  SOHWA SEISAKUSHO

  Suitable for the fastening of soft or fragile materials. Capable of performing an intermediate lock. Does not require a spring lock washer, either.

  Days to Ship:	14 Day(s) or more

• 

  HARDLOCK Nut (Fine Thread)

  SUNCO

  [Material] Stainless steel/S45C
  [Surface Processing] None / Trivalent White / Parkerizing (Phosphate Coating)
  [Nominal of Thread (M)] 10/14/16/18/20/24/30
  [Application/Function] Loosening prevention
  [Thread Ridge Type] Metric Fine
  [Loosening Prevention Details] Hard Lock Nut

  Days to Ship:	8 Day(s) or more

• 

  Hard Lock Nut【1-200 Pieces Per Package】

  SUNCO

  [Shape] Upper nut (convex type) and lower nut (concave type) are available.
  · The top nut is perfectly circular with respect to the bolt, but the bottom nut has been eccentrically machined off-center with respect to the bolt.
  [Features] Since the lower nut is eccentric, tightening the upper nut will apply a lateral force due to the wedging action. Friction to this male thread prevents loosening.
  · Can be manually tightened to your desired position.
  · Can be used repeatedly.
  
  [Material] Steel/S45C/SCM435 (H)
  [Surface Processing] Parkerizing (Phosphate Coating) / Trivalent White
  [Nominal of Thread (M)] 8/10/12/14/16/18/22/24/30/33/36/39/45/48/52/56/64
  [Application/Function] Loosening prevention
  [Thread Ridge Type] Metric Coarse
  [Loosening Prevention Details] Hard Lock Nut

  Days to Ship:	14 Day(s) or more

• 

  Stable Nut, Thin Type (Friction Nut)【1,800 Pieces Per Package】

  SOHWA SEISAKUSHO

  [Materials] SWCH equivalent, SUS304 equivalent.
  [Surface treatment] None, Trivalent chromate, bright chromate plating chromate plating.

  CAD ：

  2D / 3D

  Days to Ship:	18 Day(s) or more

• 

  U Nut Type 3

  FUJI SEIMITSU

  Thread
  [Type]Metric coarse, Application/Function, Locking, Locking for detail, U-nut
  [Nominal Thread (M)] 4 5 6 8 10 12 14 16 20
  [Materials] Steel, Stainless steel
  [Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.
  [Surface treatment](Details) non-trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate
  [Pitch (mm)] 0.7 0.8 1 1.25 1.5 1.75 2 2.5

  Days to Ship:	14 Day(s) or more

• • On Sale Till 31/03/2025

  

  Hardlock Nut (Thread-Lock Nut)

  HARDLOCK INDUSTRY

  Some sizes are no longer available as they have been redesigned as a rimmed type. Please see the rimmed type if the size you are looking for is not available.
  [Features]
  ・ Anti-loosening effect recognized by the world.
  ・ Torque and axial force control is possible.
  ・ Can be used repeatedly.
  ・ Workability is simple and good.
  ・ Contributes to significant cost reduction.

  	Special Price
  Days to Ship:	14 Day(s) or more

• 

  Stable Nut, Thin Shape【800-1,800 Pieces Per Package】

  SOHWA SEISAKUSHO

  Suitable for the fastening of soft or fragile materials. Capable of performing an intermediate lock. Does not require a spring lock washer, either.

  Days to Ship:	14 Day(s) or more

• 

  U Nut【2-20 Pieces Per Package】

  TRUSCO NAKAYAMA

  [Features]
  - The metallic friction ring makes contact with the thread on the bolt, increasing torque on the thread and preventing loosening. - Heat resistant, usable in locations with vibration, and reusable.
  
  [Use]
  - For locations where bolts can easily loosen.
  
  

  Days to Ship:	16 Day(s) or more

• 

  U Nut

  SUNCO

  [Material] Steel / Stainless Steel / S45C / Titanium / SCM435(H)
  [Surface Processing] Trivalent White / Trivalent Black / None
  [Nominal of Thread (M)] 5/10/12/14/16/18/24/30/36/42
  [Application/Function] Loosening prevention
  [Thread Ridge Type] Metric Coarse / Metric Fine
  [Loosening Prevention Details] Friction Nut

  Days to Ship:	8 Day(s) or more

• 

  Semi-Flat Hard Locking Nut

  HARDLOCK INDUSTRY

  Nut that uses the principle of the wedge. Bolts and nuts are integrated, and any kinds of vibration and shock are kept away.

  Days to Ship:	14 Day(s) or more

• 

  Fine Hard Locking Nut

  HARDLOCK INDUSTRY

  Nut that uses the principle of the wedge. Bolts and nuts are integrated, and any kinds of vibration and shock are kept away.

  Days to Ship:	14 Day(s) or more

• 

  Thin Hard Locking Nut

  HARDLOCK INDUSTRY

  Nut that uses the principle of the wedge. Bolts and nuts are integrated, and any kinds of vibration and shock are kept away.

  Days to Ship:	14 Day(s) or more

• • On Sale Till 31/03/2025

  

  Nylon Nut Type 1【1-3,000 Pieces Per Package】

  SUNCO

  [Materials] S45C, Equivalent to steel SWCH, SUS303, Titanium, Brass
  [Surface treatment] None, trivalent chromate, bright chromate plating, chromate plating, nickel plating

  • Volume Discount

  CAD ：

  2D / 3D

  	Special Price
  Days to Ship:	Same day or more

• 

  Hyper Load Nut

  KHI

  The nut and spring are integrated to completely prevent loosening and falling of nuts. This effect to prevent loosening is maintained even if it is repeatedly used.

  Days to Ship:	14 Day(s) or more

• 

  Nylon Nut (Type 1 / Small / Fine)

  TOMOE KOGYO

  Nut comprises a metal main body together with a nylon ring (Nylon 66) that functions as a locking mechanism. (Fine)
  [Features]
  · Nylon 66 provides high rigidity, heat resistance and wear resistance, and also possesses excellent elasticity.
  · Nylon 66 maintains performance even under conditions that would be extreme for metals, and will not corrode like metals.
  · The internal diameter of the nylon ring is designed to standard to be the same dimension as the effective diameter of the nut's screw thread.
  · An external thread is formed to adhere closely to the nylon ring by fitting together with the external thread of the bolt, generating fitting friction in that portion.
  · This friction generates torque that prevents loosening of the nut caused by rotational vibration, linear vibration and impact, etc. applied from all directions.
  [Applications]
  · Aircraft, highway sound insulation walls, boats, etc.

  Days to Ship:	14 Day(s) or more

• 

  U Nut (Fine P=1.5)

  SUNCO

  [Material] Steel
  [Surface Processing] None / Bright Chromate Plating / Trivalent White / Trivalent Black
  [Nominal of Thread (M)] 12/30
  [Application/Function] Loosening prevention
  [Thread Ridge Type] Metric Fine
  [Loosening Prevention Details] U Nut

  Days to Ship:	14 Day(s) or more

• • On Sale Till 31/03/2025

  

  Nylon Nut Type 2

  SUNCO

  [Materials] Equivalent to SWCH, Equivalent to SUS304
  [Surface treatment] None, trivalent chromate, bright chromate plating, chromate plating, nickel plating

  	Special Price
  Days to Ship:	14 Day(s) or more

• 

  Flanged Lead Lock Nut【400-1,500 Pieces Per Package】

  SUNCO

  Lead lock nut which is easy to remove while remaining secure even when subjected to strong shaking force.

  CAD ：

  2D / 3D

  Days to Ship:	18 Day(s) or more

• 

  Spring Nut【100-2,000 Pieces Per Package】

  SAKAMURA

  A nut in which a spring washer (conical spring washer) is swaged and integrated. It can reduce embedding time.

  CAD ：

  2D / 3D

  Days to Ship:	16 Day(s) or more

• 

  V-Lock Nut【45-4,000 Pieces Per Package】

  KISHU FASTENER

  Double Locking Nut - Definitive Edition Mainly used for light electrical appliances, housing, fences, buildings, etc.

  Days to Ship:	14 Day(s) or more

• 

  Thin, Lead Locking Nut【1,800 Pieces Per Package】

  SUNCO

  If necessary, it can be removed when required, and it does not become loose even it is shaken intensely during use, the lead lock nut is a product that resolves this contradictory duality well.

  Days to Ship:	18 Day(s) or more

• 

  U Nut Type 1 (Fine Details)【1-36 Pieces Per Package】

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  Days to Ship:	14 Day(s) or more

• 

  Left-Handed U-Nut

  FUJI SEIMITSU

  The definitive locking nut that incorporates a "metal ring locking function". (Left-Handed Screw)
  [Features]
  ·In addition to its anti-loosening performance, it continues to evolve in terms of durability and vibration resistance, and works reliably in any operating environment.
  [Applications]
  ·It is used in a wide range of industries, from steel structures such as railways and bridges to automobiles, motorcycles, and industrial machinery.

  Days to Ship:	14 Day(s) or more

• 

  U Nut (Fine)【1-65 Pieces Per Package】

  SUNCO

  [Material] Steel
  [Surface Processing] Trivalent White / Trivalent Black
  [Nominal of Thread (M)] 12/20/22/24/30/36/39/42
  [Application/Function] Loosening prevention
  [Thread Ridge Type] Metric Fine
  [Loosening Prevention Details] U Nut

  Days to Ship:	14 Day(s) or more

• 

  Hard Locking Bearing Nuts (Thin)

  SUNCO

  [Material] Steel/S45C/Stainless Steel
  [Surface Processing] Trivalent White / Molten Zinc Plating / Parkerizing (Phosphate Coating) / None
  [Nominal of Thread (M)] 16/20/22/24/27/36
  [Application/Function] Loosening prevention
  [Thread Ridge Type] Metric Coarse / Metric Fine
  [Loosening Prevention Details] Hard Lock Nut

  Days to Ship:	14 Day(s) or more

• 

  H-1 Rimmed Hard Locking Nut

  HARDLOCK INDUSTRY

  A new standard in hard lock nuts. Mountability greatly improved by stopping concave nuts using the rim shape (flange).

  Days to Ship:	14 Day(s) or more

• 

  Whitworth Hard Locking Nut

  HARDLOCK INDUSTRY

  Nut that uses the principle of the wedge. Bolts and nuts are integrated, and any kinds of vibration and shock are kept away.

  Days to Ship:	14 Day(s) or more

• 

  Nylon Nut Class 1 Small【500 Pieces Per Package】

  SUNCO

  [Materials] Equivalent to SWCH, Equivalent to SUS304
  [Surface treatment] None, trivalent chromate, bright chromate plating, chromate plating

  CAD ：

  2D / 3D

  Days to Ship:	18 Day(s) or more

• • On Sale Till 31/03/2025

  

  Nylon Nut Class 1 Fine

  SUNCO

  [Materials] Steel S45C SWCH equivalent SUS304 equivalent
  [Surface treatment] None, trivalent chromate, bright chromate plating, chromate plating

  CAD ：

  2D / 3D

  	Special Price
  Days to Ship:	14 Day(s) or more

• 

  Nylon Nut Class 1 Small and Fine

  SUNCO

  [Materials] Equivalent to SWCH/Equivalent to SUS304
  · Surface treatment: None, trivalent chromate, bright chromate plating, chromate plating

  CAD ：

  2D / 3D

  Days to Ship:	18 Day(s) or more

• 

  Tough Lock【400 Pieces Per Package】

  SUNCO

  Since three of the six surfaces of the nut are sloped conically, the tightening torque increases and nut loosening can be prevented.

  CAD ：

  2D / 3D

  Days to Ship:	18 Day(s) or more

• 

  Tough Lock Flange【350 Pieces Per Package】

  SUNCO

  Since three of the six surfaces of the nut are sloped conically, the tightening torque increases and nut loosening can be prevented.

  CAD ：

  2D / 3D

  Days to Ship:	18 Day(s) or more

• 

  V-Lock Nut (Fine Thread)【200-300 Pieces Per Package】

  KISHU FASTENER

  The definitive double locking nut with fine threads. Mainly used for light electrical appliances, housing, fences, buildings, etc.

  Days to Ship:	14 Day(s) or more

• 

  Triple Lock【1-2,500 Pieces Per Package】

  KISHU FASTENER

  Prevailing lock nut. Mainly used on automobiles, load-carrying trays, casters, etc.

  Days to Ship:	16 Day(s) or more

• 

  Small Three Lock【700 Pieces Per Package】

  KISHU FASTENER

  Small version of prevailing lock nuts. Mainly used on automobiles, load-carrying trays, casters, etc.

  Days to Ship:	16 Day(s) or more

• 

  Small (Fine Thread) Triple Lock【250-400 Pieces Per Package】

  KISHU FASTENER

  Small (fine thread) version of prevailing lock nuts. Mainly used on automobiles, load-carrying trays, casters, etc.

  Days to Ship:	16 Day(s) or more

• 

  Fine Triple Lock【300 Pieces Per Package】

  KISHU FASTENER

  Fine-threaded prevailing torque nut. Mainly for automotive use, and for loading platforms and casters, etc.

  Days to Ship:	16 Day(s) or more

• 

  4T Tough Locking【400-600 Pieces Per Package】

  SATO RASHI

  Three of the six surfaces of the nut have a conical slope, increasing tightening torque and preventing loosening.

  Days to Ship:	16 Day(s) or more

• 

  Fine 4T Tough Locking【200 Pieces Per Package】

  SATO RASHI

  Since three of the six surfaces of the nut are sloped conically, the tightening torque increases and helps prevent nut loosening..

  Days to Ship:	16 Day(s) or more

• 

  Small 4T Tough Lock【500 Pieces Per Package】

  SATO RASHI

  Since three of the six surfaces of the nut aroe sloped conically, the tightening torque increases helps prevent nut loosening.

  Days to Ship:	16 Day(s) or more

• 

  Compact, Fine 4T Tough Locking【200 Pieces Per Package】

  SATO RASHI

  Since three of the six surfaces of the nut are sloped conically, the tightening torque increases and helps prevent nut loosening..

  Days to Ship:	16 Day(s) or more

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