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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

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

    • On Sale Till 31/03/2025

    Self-Locking Nut

    • On Sale Till 31/03/2025

    U-Nuts (Pack)

      Nylon Lock Nut (Type 1) (Iron / Brass)

        Nylon Lock Nut Type 1

          W Pull Screw

          • On Sale Till 31/03/2025

          Nylon Lock Nut Type 2

            U Nut Class 1 and 2 (Steel/SUS304)

            • On Sale Till 31/03/2025

            Double Locking Nut - Hard Lock Nut

              Hard Lock Nut

                Lock Nut - SWUS

                  Nylon Lock Nut (Unified UNC)

                    Iron and Stainless Steel Stable Nut

                      [Clean & Pack]U Nut - Single Item

                        Nylon Lock Nut (Type 1 / Small / Fine)

                          E-Lock Nut

                            H-1 Rimmed Hard Locking Nut

                              Thin Hard Locking Nut

                                Flanged Lead Lock Nut

                                  Nylon Lock Nut (Type 1, Small Size)

                                    Nylon Lock Nut (Type 2)

                                      Thin, Fine U-Nut

                                        Hard Locking Bearing Nuts (Thin)

                                          HARDLOCK Nut (H-1/with Rim)

                                            [Clean & Pack] Double Locking Nut

                                              Titanium Locking Nut - SWUT

                                                Semi-Flat Hard Locking Nut

                                                  Whitworth Hard Locking Nut

                                                    Nylon Lock Nut Unified (UNC)

                                                      Spring Nut

                                                        V-Lock Nut

                                                          Stable Nut, Thin Shape

                                                            Nylon Lock Nut (Type 1, Fine Details)

                                                              Nylon Lock Nut (Type 1, Small Size)

                                                                Nylon Lock Nut (Unified UNF)

                                                                  U Nut, Unified (UNF)

                                                                    Left-Handed U-Nut

                                                                      U Nut Type 3

                                                                        Stable Nut Thin Type

                                                                          HARDLOCK Nut (Fine Thread)

                                                                            FB Lock Nut

                                                                              Nylon Lock Nut Class 1 Small

                                                                                Nylon Lock Nut Class 1 Fine

                                                                                  Lead Lock Nut Fine

                                                                                    Spring Nut, Small

                                                                                    Brand

                                                                                    MISUMI

                                                                                    MiSUMi Economy

                                                                                    KST

                                                                                    MISUMI

                                                                                    TOMOE KOGYO

                                                                                    SUNCO

                                                                                    OHSATO

                                                                                    SUNCO

                                                                                    FUJI SEIMITSU

                                                                                    MISUMI

                                                                                    SUNCO

                                                                                    NABEYA BI-TECH

                                                                                    LOCKFASTENER

                                                                                    SOHWA SEISAKUSHO

                                                                                    MISUMI

                                                                                    TOMOE KOGYO

                                                                                    SUNCO

                                                                                    HARDLOCK INDUSTRY

                                                                                    HARDLOCK INDUSTRY

                                                                                    SUNCO

                                                                                    TOMOE KOGYO

                                                                                    TOMOE KOGYO

                                                                                    FUJI SEIMITSU

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    MISUMI

                                                                                    NABEYA BI-TECH

                                                                                    HARDLOCK INDUSTRY

                                                                                    HARDLOCK INDUSTRY

                                                                                    SUNCO

                                                                                    SAKAMURA

                                                                                    KISHU FASTENER

                                                                                    SOHWA SEISAKUSHO

                                                                                    LOCKFASTENER

                                                                                    LOCKFASTENER

                                                                                    LOCKFASTENER

                                                                                    FUJI SEIMITSU

                                                                                    FUJI SEIMITSU

                                                                                    FUJI SEIMITSU

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    FORTUNE BRIGHT

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    SAKAMURA

                                                                                    Product Series

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

                                                                                    Self-Locking Nut

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

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

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

                                                                                    W Pull Screw【50-100 Pieces Per Package】

                                                                                    Nylon Lock Nut Type 2

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

                                                                                    Double Locking Nut - Hard Lock Nut

                                                                                    Hard Lock Nut【1-200 Pieces Per Package】

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

                                                                                    Nylon Lock Nut (Unified UNC)

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

                                                                                    [Clean & Pack]U Nut - Single Item

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

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

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

                                                                                    Thin Hard Locking Nut

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

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

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

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

                                                                                    Hard Locking Bearing Nuts (Thin)

                                                                                    HARDLOCK Nut (H-1/with Rim)

                                                                                    [Clean & Pack] Double Locking Nut

                                                                                    Titanium Locking Nut - SWUT

                                                                                    Semi-Flat Hard Locking Nut

                                                                                    Whitworth Hard Locking Nut

                                                                                    Nylon Lock Nut Unified (UNC)

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

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

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

                                                                                    Nylon Lock Nut (Type 1, Fine Details)【1-500 Pieces Per Package】

                                                                                    Nylon Lock Nut (Type 1, Small Size)

                                                                                    Nylon Lock Nut (Unified UNF)

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

                                                                                    Left-Handed U-Nut【1-3,000 Pieces Per Package】

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

                                                                                    Stable Nut Thin Type【400 Pieces Per Package】

                                                                                    HARDLOCK Nut (Fine Thread)

                                                                                    FB Lock Nut

                                                                                    Nylon Lock Nut Class 1 Small【1-500 Pieces Per Package】

                                                                                    Nylon Lock Nut Class 1 Fine【1-500 Pieces Per Package】

                                                                                    Lead Lock Nut Fine【300 Pieces Per Package】

                                                                                    Spring Nut, Small【250-350 Pieces Per Package】

                                                                                    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
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    Days to Ship 4 Day(s) or more Same day or more Same day or more 4 Day(s) or more Same day or more 11 Day(s) Same day or more Same day or more Same day or more 7 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more 5 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 Same day or more 4 Day(s) or more 7 Day(s) or more 4 Day(s) or more 8 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 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
                                                                                    Nominal of Thread (M)-3 ~ 204 ~ 162 ~ 302 ~ 363 ~ 65 ~ 183 ~ 606 ~ 1614 ~ 186 ~ 12-4 ~ 20-10 ~ 125 ~ 125 ~ 3016 ~ 365 ~ 885 ~ 128 ~ 1816 ~ 368 ~ 30-3 ~ 1036 ~ 48--4 ~ 124 ~ 246 ~ 128 ~ 108 ~ 10--6 ~ 204 ~ 201010 ~ 303 ~ 308 ~ 108 ~ 20108 ~ 10
                                                                                    MaterialStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelBrass ~ SteelBrass ~ TitaniumStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelStainless Steel ~ SteelSteelStainless Steel ~ SteelSteelSteelTitaniumStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteel
                                                                                    Applications, Functions-LockLockLockLock-LockLockLockLockLockLockLockStandard / m / nLockLockLockLockLockLockLockLockLockLockStandard / m / nLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock
                                                                                    Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse-Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseUnified, Coarse (UNC)Metric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, Coarse / Metric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseWhit, CoarseUnified, Coarse (UNC)Metric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseUnified, Fine (UNF)Unified, Fine (UNF)Metric, Coarse (Left)Metric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, FineMetric, FineMetric, Coarse
                                                                                    Surface TreatmentNot ProvidedNot Provided / Bright Chrome Plating / Zinc Plating / Painting, CoatingNot Provided / Trivalent Chromate / Bright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Painting, Coating-Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot Provided / Trivalent ChromateTrivalent Chromate / ParkerizingNot ProvidedNot Provided / Bright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating-Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateTrivalent Chromate / Parkerizing / Painting, CoatingNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating-Trivalent Chromate / Zinc Plating / ParkerizingTrivalent Chromate / Zinc Plating / Dacrotizing-PolishingNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Zinc PlatingBright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Chromate PlatingNot ProvidedNot ProvidedNot Provided / Bright Chrome Plating---Trivalent ChromateTrivalent Chromate / ParkerizingNot Provided / Bright Chrome Plating / Zinc PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateTrivalent Chromate
                                                                                    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.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.)-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.)Low Quantity (Available beginning with 1 pc.)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.) / 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.) / Box, Pkg.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.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Box, Pkg.
                                                                                    Locking DetailsSpring NutFriction NutU NutNylon NutNylon NutNylon NutNylon NutU NutHard Lock NutHard Lock NutFriction NutNylon NutFriction NutU NutNylon NutFriction NutHard Lock NutHard Lock NutFriction NutNylon NutNylon NutU NutHard Lock NutHard Lock NutHard Lock NutNylon NutHard Lock NutHard Lock NutNylon NutSpring NutFriction NutFriction NutNylon NutNylon NutNylon NutU NutU NutU NutFriction NutHard Lock NutFriction NutNylon NutNylon NutFriction NutSpring Nut
                                                                                    Nominal of Thread (inch)-----------1/2 ~ No. 10---------------1 ~ 5/81/2 ~ No. 10-----1/2 ~ No. 101/2 ~ No. 10---------
                                                                                    Surface Treatment (Details)Not ProvidedBlack Paint / Not Provided / Bright Chrome Plating / Hot Zinc PlatingNot Provided / Trivalent ChromateOther Special Treatment / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating-Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Trivalent ChromateOther Special Treatment / Trivalent ChromateNot ProvidedNot Provided / Bright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating-Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateSeizure-Against Coating / Not Provided / Trivalent Chromate / Hot Zinc Plating / ParkerizingNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent 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 PlatingTrivalent Chromate / Hot Zinc Plating / Dacrotizing-Special Chemical GrindingNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Hot Zinc PlatingBright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Chromate PlatingNot ProvidedNot ProvidedNot Provided / Bright Chrome PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateOther Special Treatment / Trivalent ChromateNot Provided / Bright Chrome Plating / Hot Zinc PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateTrivalent Chromate
                                                                                    Hex Nut TypeClass 1--Class 1Class 1-Class 2Class 1 ~ Class 2----Class 1 ~ Class 2-Class 1---Class 2Class 1Class 2-------Class 1-Class 1 ~ Class 2Class 3Class 1Class 1---Class 3---Class 1Class 1Class 2-

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