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  • Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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.
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.
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
Brand
Product Series
CAD
Days to Ship
Nominal of Thread (M)
Material
Applications, Functions
Thread Type
Surface Treatment
Sales Unit
Locking Details
Nominal of Thread (inch)
Surface Treatment (Details)
Hex Nut Type
  • On Sale Till 31/03/2025

U-Nuts (Pack)

  • On Sale Till 31/03/2025

Self-Locking Nut

    Ring Lock Nut (With Threadlocker) - Stainless Steel, Package Sale, Single Item [RoHS Compliant]

      Lock Nut - SWUS

        Nylon Nut Type 1

        • On Sale Till 31/03/2025

        Double Locking Nut - Hard Lock Nut

          Nylon Nut (Type 1) (Iron / Brass)

            U Nut Class 1 and 2 (Steel/SUS304)

              Nylon Nut (Type 2)

                HARDLOCK Nut (Fine Thread)

                  Nylon Nut (Type 1 / Small / Fine)

                    U Nut Type 3

                      Thin, Fine U-Nut

                        Hard Locking Bearing Nuts (Thin)

                          H-1 Rimmed Hard Locking Nut

                          • On Sale Till 31/03/2025

                          Nylon Nut Type 2

                            Nylon Nut (Type 1, Small Size)

                              4T Tough Lock Flange

                                Hyper Load Nut

                                  Fine U Nut

                                    Thin Hard Locking Nut

                                      V-Lock Nut

                                        U-Nut, Small, Fine Type

                                          Hex Nylon Nut - Inch Size

                                            Hard Lock Nut

                                              Hardlock Nut (Thread-Lock Nut)

                                                Lead Lock Nut

                                                  Spring Nut

                                                    Small (Fine Thread) Triple Lock

                                                      Fine, Small E-Lock Nut

                                                        U Nut Type 1 (Fine Details)

                                                          FB Lock Nut

                                                            Fine Hard Locking Nut

                                                              Flanged Lead Lock Nut

                                                                Tough Lock Nut Fine

                                                                  V-Lock Nut (Fine Thread)

                                                                    Iron and Stainless Steel Stable Nut

                                                                      Stable Nut, Thin Shape

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

                                                                          Nylon Nut (Type 1, Fine Details)

                                                                            Ida Ring Whitworth

                                                                              U Nut, Unified (UNF)

                                                                                [Clean & Pack] Double Locking Nut

                                                                                  Titanium Locking Nut - SWUT

                                                                                    Whitworth Hard Locking Nut

                                                                                    Brand

                                                                                    MISUMI

                                                                                    KST

                                                                                    MISUMI

                                                                                    MiSUMi Economy

                                                                                    NABEYA BI-TECH

                                                                                    SUNCO

                                                                                    MISUMI

                                                                                    TOMOE KOGYO

                                                                                    FUJI SEIMITSU

                                                                                    TOMOE KOGYO

                                                                                    SUNCO

                                                                                    TOMOE KOGYO

                                                                                    FUJI SEIMITSU

                                                                                    FUJI SEIMITSU

                                                                                    SUNCO

                                                                                    HARDLOCK INDUSTRY

                                                                                    SUNCO

                                                                                    LOCKFASTENER

                                                                                    SATO RASHI

                                                                                    KHI

                                                                                    SUNCO

                                                                                    HARDLOCK INDUSTRY

                                                                                    KISHU FASTENER

                                                                                    FUJI SEIMITSU

                                                                                    SAIMA CORPORATION

                                                                                    SUNCO

                                                                                    HARDLOCK INDUSTRY

                                                                                    SUNCO

                                                                                    SAKAMURA

                                                                                    KISHU FASTENER

                                                                                    SUNCO

                                                                                    FUJI SEIMITSU

                                                                                    FORTUNE BRIGHT

                                                                                    HARDLOCK INDUSTRY

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    KISHU FASTENER

                                                                                    SOHWA SEISAKUSHO

                                                                                    SOHWA SEISAKUSHO

                                                                                    LOCKFASTENER

                                                                                    TOMOE KOGYO

                                                                                    SUNCO

                                                                                    FUJI SEIMITSU

                                                                                    MISUMI

                                                                                    NABEYA BI-TECH

                                                                                    HARDLOCK INDUSTRY

                                                                                    Product Series

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

                                                                                    Self-Locking Nut

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

                                                                                    Lock Nut - SWUS【1-20 Pieces Per Package】

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

                                                                                    Double Locking Nut - Hard Lock Nut

                                                                                    Nylon Nut (Type 1) (Iron / Brass)【1-3,000 Pieces Per Package】

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

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

                                                                                    HARDLOCK Nut (Fine Thread)

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

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

                                                                                    Thin, Fine U-Nut【1-800 Pieces Per Package】

                                                                                    Hard Locking Bearing Nuts (Thin)

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

                                                                                    Nylon Nut Type 2

                                                                                    Nylon Nut (Type 1, Small Size)

                                                                                    4T Tough Lock Flange【350-500 Pieces Per Package】

                                                                                    Hyper Load Nut

                                                                                    Fine U Nut

                                                                                    Thin Hard Locking Nut

                                                                                    V-Lock Nut【1-4,000 Pieces Per Package】

                                                                                    U-Nut, Small, Fine Type【1-800 Pieces Per Package】

                                                                                    Hex Nylon Nut - Inch Size

                                                                                    Hard Lock Nut【1-200 Pieces Per Package】

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

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

                                                                                    Spring Nut【1-2,000 Pieces Per Package】

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

                                                                                    Fine, Small E-Lock Nut

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

                                                                                    FB Lock Nut

                                                                                    Fine Hard Locking Nut

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

                                                                                    Tough Lock Nut Fine【200 Pieces Per Package】

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

                                                                                    Iron and Stainless Steel Stable Nut【1-2,000 Pieces Per Package】

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

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

                                                                                    Nylon Nut (Type 1, Fine Details)【1-200 Pieces Per Package】

                                                                                    Ida Ring Whitworth【1-700 Pieces Per Package】

                                                                                    U Nut, Unified (UNF)【1-4,000 Pieces Per Package】

                                                                                    [Clean & Pack] Double Locking Nut

                                                                                    Titanium Locking Nut - SWUT

                                                                                    Whitworth Hard Locking Nut

                                                                                    CAD
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    Days to Ship Same day or more Same day or more 4 Day(s) or more Same day or more Same day or more Same day or more 4 Day(s) or more Same day or more Same day or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 4 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 6 Day(s) or more 7 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 8 Day(s) or more 4 Day(s) or more 4 Day(s) or more
                                                                                    Nominal of Thread (M)4 ~ 163 ~ 20-6 ~ 122 ~ 366 ~ 162 ~ 303 ~ 605 ~ 1210 ~ 3010 ~ 124 ~ 208 ~ 1816 ~ 365 ~ 305 ~ 188 ~ 106 ~ 88 ~ 24M10x0.75 ~ M150x2.016 ~ 364 ~ 2410 ~ 20-14 ~ 186 ~ 643 ~ 164 ~ 1210 ~ 12108 ~ 273 ~ 308 ~ 365 ~ 81010 ~ 124 ~ 206 ~ 1210 ~ 128 ~ 24---3 ~ 10-
                                                                                    MaterialStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelStainless SteelBrass ~ TitaniumStainless Steel ~ SteelBrass ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless SteelSteelBrass ~ SteelSteelSteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelSteelTitaniumStainless Steel ~ Steel
                                                                                    Applications, FunctionsLockLock-LockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock-LockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockStandardLockStandard / m / nLockLock
                                                                                    Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, FineMetric, CoarseMetric, FineMetric, Coarse / Metric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineUnified, Coarse (UNC) / Unified, Fine (UNF)Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, FineMetric, FineMetric, CoarseMetric, FineMetric, CoarseMetric, FineMetric, FineMetric, CoarseMetric, CoarseMetric, FineMetric, FineWhit, CoarseUnified, Fine (UNF)Metric, CoarseMetric, CoarseWhit, Coarse
                                                                                    Surface TreatmentNot Provided / Trivalent Chromate / Bright Chrome PlatingNot Provided / Bright Chrome Plating / Zinc Plating / Painting, CoatingNot ProvidedNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Painting, CoatingNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / ParkerizingTrivalent Chromate / Bright Chrome Plating / Chromate Plating--Trivalent Chromate / Zinc Plating / ParkerizingTrivalent Chromate / Parkerizing / Painting, CoatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot ProvidedTrivalent ChromateNot Provided / Trivalent Chromate / Zinc PlatingNot ProvidedNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating-PassivatedTrivalent Chromate / ParkerizingTrivalent Chromate / Nickel Plating / ParkerizingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingTrivalent Chromate / Chromate PlatingTrivalent Chromate-Not Provided / Bright Chrome Plating / Zinc PlatingNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Chromate PlatingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate PlatingChromate Plating--PolishingNot Provided / Trivalent Chromate / Zinc Plating
                                                                                    Sales UnitLow Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)-Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.-Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Box, Pkg.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.-Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.
                                                                                    Locking DetailsU NutFriction NutSpring NutFriction NutNylon NutHard Lock NutNylon NutU NutNylon NutHard Lock NutNylon NutU NutU NutHard Lock NutHard Lock NutNylon NutNylon NutU NutSpring Nut-Hard Lock NutFriction NutU NutNylon NutHard Lock NutHard Lock NutFriction NutSpring NutOther Special ShapesFriction NutU NutFriction NutHard Lock NutFriction NutOther Special ShapesFriction NutFriction NutFriction NutNylon NutNylon Nut-U NutHard Lock NutNylon NutHard Lock Nut
                                                                                    Nominal of Thread (inch)-----------------------No. 2 ~ No. 12----------------1 ~ 7/81/2 ~ No. 10--1 ~ 5/8
                                                                                    Surface Treatment (Details)Not Provided / Trivalent ChromateBlack Paint / Not Provided / Bright Chrome Plating / Hot Zinc PlatingNot ProvidedNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent ChromateOther Special Treatment / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingOther Special Treatment / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingOther Special Treatment / Trivalent Chromate / Hot Zinc PlatingSeizure-Against Coating / Not Provided / Trivalent Chromate / Hot Zinc Plating / ParkerizingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot ProvidedTrivalent ChromateNot Provided / Trivalent Chromate / Hot Zinc PlatingNot ProvidedNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingBarrel, PassivatedOther Special Treatment / Trivalent ChromateNot Provided / Trivalent Chromate / Hot Zinc Plating / Nickel Plating / ParkerizingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingTrivalent Chromate / Chromate PlatingTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Bright Chrome Plating / Hot Zinc PlatingNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Chromate PlatingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate PlatingChromate PlatingNot Provided / Bright Chrome Plating / Chromate Plating-Special Chemical GrindingNot Provided / Trivalent Chromate / Hot Zinc Plating
                                                                                    Hex Nut Type--Class 1-Class 1-Class 1Class 1 ~ Class 2Class 2-Class 1Class 3---Class 2Class 1----Class 1 ~ Class 2-Class 2--Class 1 ~ Class 2---Class 1 ~ Class 2--Class 2--Class 1 ~ Class 2Class 3Class 1Class 1-----

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