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  • Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
  • Please Note our New Address (effective May 1, 2025): 331 North Bridge Rd, #07-02 Odeon 331, Singapore 188720. More details

Lock Nuts

Category page for Lock Nuts/Non-Loosening Nuts. For MISUMI, you can select from M1 to 64, 5 types of material and 10 types of surface processing.
...Readmore

Category page for Lock Nuts/Non-Loosening Nuts. For MISUMI, you can select from M1 to 64, 5 types of material and 10 types of surface processing.
Selection is also possible based on loosening prevention method (friction ring/spring/nylon, etc.).

[Lock Nuts/Non-Loosening Nuts]
These products prevent bolts from loosening by adding a locking mechanism to the nut body. Mechanism and characteristics of the loosening prevention mechanism differ depending on the brand.  ▲ Close

Days to Ship
  • All
  • Same day
  • 4 Day(s) or Less
  • 5 Day(s) or Less
  • 6 Day(s) or Less
  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 11 Day(s) or Less
  • 12 Day(s) or Less
  • 13 Day(s) or Less
  • Ring Lock Nut (With Threadlocker) - Stainless Steel, Package Sale, Single Item [RoHS Compliant]

    MiSUMi Economy

    Ring Lock Nut (With Threadlocker) - Stainless Steel, Package Sale, Single Item [RoHS Compliant]【1-250 Pieces Per Package】

    MISUMI

    [Bulk-Purchase Deals]Purchasing 3 or more packs is very economical.·Economy Series Ring Lock Nut, which has achieved a significant cost reduction compared to MISUMI's similar products.·No need for re-tightening, increasing efficiency* Minimum order quantity is set. See the specification table for details.

    • Volume Discount
    CAD :
    2D / 3D
    Standard Price: SGD 0.22-
    Days to Ship: 4 Day(s) or more
  • Self-Locking Nut

    Self-Locking Nut

    KST

    The friction ring swaged on the top of the nut engages with the thread of the bolt, providing a high-performance loosening prevention function. Since no special tool is required for linking, workability is excellent.

    Standard Price: SGD 0.27-
    Days to Ship: Same day or more
  • Nylon Lock Nut Type 1

    Nylon Lock 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
    Standard Price: SGD 0.16-
    Days to Ship: Same day or more
  • U-Nuts (Pack)

    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 chrom...Readmore

    • Volume Discount
    CAD :
    2D / 3D
    Standard Price: SGD 1.82-
    Days to Ship: Same day or more
  • Nylon Lock Nut (Type 1) (Iron / Brass)

    Nylon Lock Nut (Type 1) (Iron / Brass)【1-1,000 Pieces Per Package】

    TOMOE KOGYO

    Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration, and prevents the screw from loosening.

    • Volume Discount
    Standard Price: SGD 0.18-
    Days to Ship: 4 Day(s) or more
  • Lock Nut - SWUS

    Lock Nut - SWUS【1-10 Pieces Per Package】

    NABEYA BI-TECH

    A nut with a high performance locking (loosening prevention) mechanism. This mechanism prevents loosening caused by vibration.

    CAD :
    2D / 3D
    Standard Price: SGD 0.84-
    Days to Ship: Same day or more
  • Nylon Lock Nut (Type 2)

    Nylon Lock Nut (Type 2)【1-2,000 Pieces Per Package】

    TOMOE KOGYO

    Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration and prevents the screw from loosening.

    Standard Price: SGD 0.20-
    Days to Ship: Same day or more
  • Fine Hard Locking Nut

    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.

    Standard Price: SGD 1.86-
    Days to Ship: 4 Day(s) or more
  • Small U-Nut

    Small U-Nut【1-1,400 Pieces Per Package】

    FUJI SEIMITSU

    Definitive edition of Locking Nuts

    Standard Price: SGD 0.84-
    Days to Ship: 4 Day(s) or more
  • Double Locking Nut - Hard Lock Nut

    Double Locking Nut - Hard Lock Nut

    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
    Standard Price: SGD 0.36-
    Days to Ship: Same day or more
  • Nylon Lock Nut Type 2

    Nylon Lock Nut Type 2

    SUNCO

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

    CAD :
    2D / 3D
    Standard Price: SGD 0.22-
    Days to Ship: Same day or more
  • Nylon Lock Nut (Type 1, Small Size)

    Nylon Lock Nut (Type 1, Small Size)

    LOCKFASTENER

    The included nylon ring is fitted with a male screw to prevent loosening due to rotation applied from various directions, direct vibration, and shock.

    Standard Price: SGD 2.93-
    Days to Ship: 4 Day(s) or more
  • Nylon Lock Nut (Type 1 / Small / Fine)

    Nylon Lock Nut (Type 1 / Small / Fine)【1-150 Pieces Per Package】

    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 dim...Readmore

    Standard Price: SGD 0.42-
    Days to Ship: 4 Day(s) or more
  • U Nut Class 1 and 2 (Steel/SUS304)

    U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】

    FUJI SEIMITSU

    Definitive edition of Locking Nuts

    Standard Price: SGD 0.51-
    Days to Ship: Same day or more
  • Fine U Nut

    Fine U Nut

    SUNCO

    The friction ring is crimped and integrated with the nut, same as on the U Nut. [Features]· Lock nut for bearing.· The spring action of the friction ring creates friction on the male screw to cause a locking effect.· Can be fixed in an intermediate position.· Since it is all metal, it has excellent heat resistance.· No key groove processing on the shaft side. [Shape] Round[Material] SS400 equivalent / S45C equivalent / SUS304 equivalent[Sc...Readmore

    Standard Price: SGD 5.16-
    Days to Ship: 7 Day(s) or more
  • Nylon Lock Nut (Type 1, Fine Details)

    Nylon Lock Nut (Type 1, Fine Details)

    LOCKFASTENER

    When the internal nylon ring mates with a male screw, loosening as a result of rotation in any direction, linear vibration, or shock is avoided.

    Standard Price: SGD 4.82
    Days to Ship: 4 Day(s) or more
  • E-Lock Nut

    E-Lock Nut【1-600 Pieces Per Package】

    SUNCO

    [Materials] Steel, Stainless steel [Surface treatment] None, trivalent chromate

    Standard Price: SGD 0.53-
    Days to Ship: 4 Day(s) or more
  • U Nut Type 3

    U Nut Type 3【1-4,000 Pieces Per Package】

    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

    Standard Price: SGD 0.51-
    Days to Ship: 4 Day(s) or more
    • On Sale Till 30/04/2025

    Hex Nut, MS4 Series

    Standard Price: SGD 8.60
    Special Price
    Days to Ship: Quote
  • Nylon Lock Nut Unified (UNF)【1-250 Pieces Per Package】

    Nylon Lock Nut Unified (UNF)【1-250 Pieces Per Package】

    SUNCO

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

    CAD :
    2D / 3D
    Standard Price: SGD 0.29-
    Days to Ship: 4 Day(s) or more
  • Iron and Stainless Steel Stable Nut

    Iron and Stainless Steel Stable Nut【1-2,000 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.

    Standard Price: SGD 1.31-
    Days to Ship: 4 Day(s) or more
  • Nylon Lock Nut (Type 1, Small Size)

    Nylon Lock Nut (Type 1, Small Size)【1-500 Pieces Per Package】

    TOMOE KOGYO

    Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration and prevents the screw from loosening.

    Standard Price: SGD 0.32-
    Days to Ship: 4 Day(s) or more
  • U Nut (Fine)

    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

    Standard Price: SGD 1.85-
    Days to Ship: 7 Day(s) or more
  • Hard Lock Nut

    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.·...Readmore

    Days to Ship: 7 Day(s) or more
  • HARDLOCK Nut (H-1/with Rim)

    HARDLOCK Nut (H-1/with Rim)

    SUNCO

    [Material] Steel/Stainless Steel[Surface Processing] Bright Chromate Plating / Trivalent White / None[Nominal of Thread (M)] 5/6/22/30[Application/Function] Loosening prevention[Thread Ridge Type] Metric Coarse[Loosening Prevention Details] Hard Lock Nut

    Standard Price: SGD 2.57-
    Days to Ship: 4 Day(s) or more
  • [Clean & Pack] Double Locking Nut

    [Clean & Pack] Double Locking Nut

    MISUMI

    Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
    This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.
    ■Part Number for Clean & Pack Products
    ·Degreasing (Anti-rust single packing)    : Part Number SL-□□
    ·Precision cleaning (Degassing double packing)    : Part Number SH-□□
    ·Electrolytic polishing + precision cleaning (Degassing double packing): Part Number SHD-□□
    Product Part NumberCleaning MethodPackaging TypeEffects Compared to Uncleaned ProductEnvironment (Standard)Process
    SL-□□DegreasingAnti-rust packingOil removalGeneral environmentRegular assembly process
    Post battery assembly process
    SH-□□Precision cleaningDegassing double packingOil removal
    Dust removal
    Clean environment (Class 10 to 1,000)Battery assembly process
    LCD-related post assembly process
    In-vehicle camera assembly process
    SHD-□□Electrolytic polishing + precision cleaningDegassing double packingOil removal
    Dust removal
    Outgas reduction
    Vacuum environment
    Clean environment (Class 10 to 1,000)
    Pre-semiconductor process
    Liquid crystal deposition process
    Pre-OLED process
    ■Notes
    Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
    Please be careful about the application location and storage environment.

    • Volume Discount
    CAD :
    2D / 3D
    Standard Price: SGD 3.92-
    Days to Ship: 8 Day(s) or more
  • Thin Hard Locking Nut

    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.

    Standard Price: SGD 4.41-
    Days to Ship: 4 Day(s) or more
  • Stable Nut, Thin Shape

    Stable Nut, Thin Shape【1-1,800 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.

    Standard Price: SGD 2.31-
    Days to Ship: 4 Day(s) or more
  • Hyper Load Nut

    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: 4 Day(s) or more
  • Nylon Lock Nut (Class 1) (Small) (Fine) Pitch 1.25 mm

    Nylon Lock Nut (Class 1) (Small) (Fine) Pitch 1.25 mm

    LOCKFASTENER

    Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration and prevents the screw from loosening.

    Standard Price: SGD 4.94-
    Days to Ship: 4 Day(s) or more
  • Nylon Lock Nut (Unified UNC)

    Nylon Lock Nut (Unified UNC)

    LOCKFASTENER

    The included nylon ring is fitted with a male screw to prevent loosening due to rotation applied from various directions, direct vibration, and shock.

    Standard Price: SGD 0.22-
    Days to Ship: 4 Day(s) or more
  • Nylon Lock Nut (Unified UNF)

    Nylon Lock Nut (Unified UNF)

    LOCKFASTENER

    The included nylon ring is fitted with a male screw to prevent loosening due to rotation applied from various directions, direct vibration, and shock.

    Standard Price: SGD 0.32-
    Days to Ship: 4 Day(s) or more
  • Type 1 U-Nut (SUS316L)

    Type 1 U-Nut (SUS316L)

    FUJI SEIMITSU

    Prevailing torque type lock nut with "metal ring anti-loosening function".[Features]·A locking nut that can be reused and exhibits a stable locking function.·Prevents early disengagement even when the axial force is reduced. An all-metal product with excellent heat and cold resistance.·Tightening is easy, and neither skilled techniques nor special tools are required.·Since it exerts a self-locking effect by itself, parts management becomes ...Readmore

    Standard Price: SGD 3.97-
    Days to Ship: 4 Day(s) or more
  • U Nut Type 1 (Fine Details)

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

    FUJI SEIMITSU

    Definitive edition of Locking Nuts

    Standard Price: SGD 0.85-
    Days to Ship: 4 Day(s) or more
  • Nut, Whitworth

    Nut, Whitworth【1-1,000 Pieces Per Package】

    FUJI SEIMITSU

    Definitive edition of Locking Nuts

    Standard Price: SGD 0.70-
    Days to Ship: 4 Day(s) or more
  • U Nut Thin Special Pitch P=1.5

    U Nut Thin Special Pitch P=1.5

    FUJI SEIMITSU

    [Nominal Thread (M)] 12 [Materials] Steel Thread[Type]Metric fine, Application/Function, Locking [Sales unit] Minimum Quantity (Available for Purchase from 1 pc), Locking for Detail, U-nut [Pitch (mm)] 1.5 [Surface treatment](Details) Bright Chromate Plating

    Standard Price: SGD 2.01
    Days to Ship: 4 Day(s) or more
  • HARDLOCK Nut (Fine Thread)

    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

    Standard Price: SGD 3.45-
    Days to Ship: 4 Day(s) or more
  • FB Lock Nut

    FB Lock Nut

    FORTUNE BRIGHT

    High-quality, low-cost nut made in Taiwan.All 4 types available (unichrome, trivalent, hot-dip, stainless steel) can be purchased individually.

    Standard Price: SGD 0.29-
    Days to Ship: 4 Day(s) or more
  • Titanium Locking Nut - SWUT

    Titanium Locking Nut - SWUT

    NABEYA BI-TECH

    Made of titanium. The specific gravity is about 60% that of stainless steel.· For applications where weight reduction is necessary, such as with automobiles, aircraft, space equipment, medical equipment, and robots.

    CAD :
    2D / 3D
    Standard Price: SGD 6.67-
    Days to Ship: 4 Day(s) or more
  • H-1 Rimmed Hard Locking Nut

    H-1 Rimmed Hard Locking Nut【1-300 Pieces Per Package】

    HARDLOCK INDUSTRY

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

    Days to Ship: 4 Day(s) or more
  • Hardlock Nut (Thread-Lock Nut)

    Hardlock Nut (Thread-Lock Nut)【1-150 Pieces Per Package】

    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.

    • Volume Discount
    Standard Price: SGD 2.28-
    Days to Ship: 4 Day(s) or more
  • Stable Nut

    Stable Nut

    SOHWA SEISAKUSHO

    [Materials] SWCH equivalent, SUS304 equivalent.[Surface treatment] None, Trivalent chromate, bright chromate plating, zinc plating, chromate plating silver / copper / tin plating.

    CAD :
    2D / 3D
    Standard Price: SGD 1.30-
    Days to Ship: 4 Day(s) or more
  • Nylon Lock Nut Unified (UNC)

    Nylon Lock Nut Unified (UNC)

    SUNCO

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

    CAD :
    2D / 3D
    Standard Price: SGD 0.25-
    Days to Ship: 4 Day(s) or more
  • Nylon Lock Nut Class 1 Small and Fine

    Nylon Lock 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
    Standard Price: SGD 0.68-
    Days to Ship: 4 Day(s) or more
  • Lead Lock Nut

    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
    Standard Price: SGD 102.55-
    Days to Ship: 4 Day(s) or more

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