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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
  • 3 Day(s) or Less
  • 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
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

    [Clean & Pack]U Nut - Single Item

      Self-Locking Nut

        [Clean & Pack] Double Locking Nut

          U-Nuts (Pack)

            Nylon Nut Type 1

              Lock Nut - SWUS

                U Nut Class 1 and 2 (Steel/SUS304)

                  Fine U Nut

                    Nylon Nut (Type 1) (Iron / Brass)

                      Nylon Nut (Type 1 / Small / Fine)

                        Hardlock Nut (Thread-Lock Nut)

                          Nylon Nut (Unified UNF)

                            Hard Locking Bearing Nuts (Thin)

                              Double Locking Nuts

                                U-Nut Unified (UNC)

                                  U Nut, Thin

                                    Titanium Locking Nut - SWUT

                                      Thin Hard Locking Nut

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

                                          Nylon Nut (Unified UNC)

                                            Nylon Nut (Type 2)

                                              U Nut

                                                HARDLOCK Nut (H-1/with Rim)

                                                  H-1 Rimmed Hard Locking Nut

                                                    Stable Nut

                                                      Nylon Nut (Type 1, Fine Details)

                                                        Nylon Nut (Type 1, Small Size)

                                                          Type 1 U-Nut (SUS316L)

                                                            FB Lock Nut

                                                              Stable Nut, Thin Type (Friction Nut)

                                                                Flanged Lead Lock Nut

                                                                  Spring Nut

                                                                    V-Lock Nut

                                                                      Small (Fine Thread) Triple Lock

                                                                        Stable Nut, Thin Shape

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

                                                                            Nylon Nut (Type 3)

                                                                              U Nut Type 1 (Fine Details)

                                                                                U Nut, Unified (UNF)

                                                                                  Small U-Nut

                                                                                    U-Nut, Small, Fine Type

                                                                                      Fine Hard Locking Nut

                                                                                        Nylon Nut Type 2

                                                                                          Nylon Nut Unified (UNC)

                                                                                            Nylon Nut Class 1 Small and Fine

                                                                                            Brand

                                                                                            MISUMI

                                                                                            KST

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            SUNCO

                                                                                            NABEYA BI-TECH

                                                                                            FUJI SEIMITSU

                                                                                            SUNCO

                                                                                            TOMOE KOGYO

                                                                                            TOMOE KOGYO

                                                                                            HARDLOCK INDUSTRY

                                                                                            LOCKFASTENER

                                                                                            SUNCO

                                                                                            MISUMI

                                                                                            FUJI SEIMITSU

                                                                                            SUNCO

                                                                                            NABEYA BI-TECH

                                                                                            HARDLOCK INDUSTRY

                                                                                            SUNCO

                                                                                            LOCKFASTENER

                                                                                            TOMOE KOGYO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            HARDLOCK INDUSTRY

                                                                                            SOHWA SEISAKUSHO

                                                                                            LOCKFASTENER

                                                                                            LOCKFASTENER

                                                                                            FUJI SEIMITSU

                                                                                            FORTUNE BRIGHT

                                                                                            SOHWA SEISAKUSHO

                                                                                            SUNCO

                                                                                            SAKAMURA

                                                                                            KISHU FASTENER

                                                                                            KISHU FASTENER

                                                                                            SOHWA SEISAKUSHO

                                                                                            LOCKFASTENER

                                                                                            TOMOE KOGYO

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            HARDLOCK INDUSTRY

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            Product Series

                                                                                            [Clean & Pack]U Nut - Single Item

                                                                                            Self-Locking Nut

                                                                                            [Clean & Pack] Double Locking Nut

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

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

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

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

                                                                                            Fine U Nut

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

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

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

                                                                                            Nylon Nut (Unified UNF)

                                                                                            Hard Locking Bearing Nuts (Thin)

                                                                                            Double Locking Nuts

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

                                                                                            U Nut, Thin

                                                                                            Titanium Locking Nut - SWUT

                                                                                            Thin Hard Locking Nut

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

                                                                                            Nylon Nut (Unified UNC)

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

                                                                                            U Nut

                                                                                            HARDLOCK Nut (H-1/with Rim)

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

                                                                                            Stable Nut

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

                                                                                            Nylon Nut (Type 1, Small Size)

                                                                                            Type 1 U-Nut (SUS316L)

                                                                                            FB Lock Nut

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

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

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

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

                                                                                            Small (Fine Thread) Triple Lock【250-400 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 3)【500 Pieces Per Package】

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

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

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

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

                                                                                            Fine Hard Locking Nut

                                                                                            Nylon Nut Type 2

                                                                                            Nylon Nut Unified (UNC)

                                                                                            Nylon Nut Class 1 Small and Fine【1-150 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
                                                                                            Days to Ship 8 Day(s) or more Same day 8 Day(s) or more Same day or more Same day or more Same day or more Same day or more 7 Day(s) or more 3 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) 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 4 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 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 4 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more
                                                                                            Nominal of Thread (M)-3 ~ 20-4 ~ 162 ~ 366 ~ 123 ~ 60M10x0.75 ~ M150x2.02 ~ 3010 ~ 126 ~ 64-16 ~ 366 ~ 16-4 ~ 243 ~ 1016 ~ 36--5 ~ 125 ~ 42245 ~ 304 ~ 168 ~ 128 ~ 104 ~ 303 ~ 306 ~ 125 ~ 84 ~ 124 ~ 2410 ~ 126 ~ 1210 ~ 1268 ~ 27-810 ~ 208 ~ 365 ~ 18-10 ~ 12
                                                                                            MaterialSteelStainless Steel ~ SteelSteelStainless Steel ~ SteelBrass ~ TitaniumStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelBrass ~ SteelSteelBrass ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelTitaniumStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless SteelStainless SteelStainless SteelStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ Steel
                                                                                            Applications, FunctionsStandard / m / nLockStandard / m / nLockLockLockLock-LockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock
                                                                                            Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseUnified, Fine (UNF)Metric, Coarse / Metric, FineMetric, CoarseUnified, Coarse (UNC)Metric, CoarseMetric, CoarseMetric, CoarseUnified, Fine (UNF)Unified, Coarse (UNC)Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, FineMetric, CoarseMetric, FineUnified, Fine (UNF)Metric, FineMetric, FineMetric, FineMetric, CoarseUnified, Coarse (UNC)Metric, Fine
                                                                                            Surface Treatment-Not Provided / Bright Chrome Plating / Painting, Coating-Not Provided / Trivalent Chromate / Bright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Painting, CoatingNot ProvidedNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot ProvidedNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Nickel Plating / ParkerizingNot Provided / Bright Chrome PlatingTrivalent Chromate / Zinc Plating / ParkerizingNot Provided / Trivalent Chromate-Trivalent Chromate / Chromate PlatingPolishingNot Provided / Trivalent ChromateBright Chrome PlatingNot Provided / Bright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateTrivalent ChromateTrivalent Chromate / Parkerizing / Painting, CoatingNot ProvidedNot ProvidedNot Provided-Not Provided / Bright Chrome Plating / Zinc PlatingNot Provided / Trivalent Chromate / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingTrivalent Chromate / Chromate PlatingNot Provided / Trivalent Chromate / Chromate PlatingNot ProvidedTrivalent Chromate----Not Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingBright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating
                                                                                            Sales UnitLow 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.) ~ 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.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.) ~ 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.)-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.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.) ~ 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.) ~ Box, Pkg.
                                                                                            Locking DetailsU NutFriction NutHard Lock NutU NutNylon NutFriction NutU Nut-Nylon NutNylon NutHard Lock NutNylon NutHard Lock NutHard Lock NutU NutU NutNylon NutHard Lock NutNylon NutNylon NutNylon NutFriction NutHard Lock NutHard Lock NutFriction NutNylon NutNylon NutU NutFriction NutFriction NutFriction NutSpring NutFriction NutOther Special ShapesFriction NutNylon NutNylon NutU NutU NutU NutU NutHard Lock NutNylon NutNylon NutNylon Nut
                                                                                            Nominal of Thread (inch)-----------1/2 ~ No. 10--1 ~ No. 10---1/2 ~ No. 101/2 ~ No. 10------------------1/2 ~ No. 10----1/2 ~ No. 10-
                                                                                            Surface Treatment (Details)-Black Paint / Not Provided / Bright Chrome Plating-Not Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot ProvidedNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot ProvidedOther Special Treatment / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Hot Zinc Plating / Nickel Plating / ParkerizingNot Provided / Bright Chrome PlatingOther Special Treatment / Trivalent Chromate / Hot Zinc PlatingNot Provided / Trivalent ChromateNot Provided / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Chromate PlatingSpecial Chemical GrindingNot Provided / Trivalent ChromateBright Chrome PlatingNot Provided / Bright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateTrivalent ChromateSeizure-Against Coating / Not Provided / Trivalent Chromate / Hot Zinc Plating / ParkerizingNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided / Bright Chrome Plating / Hot Zinc PlatingNot Provided / Trivalent Chromate / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingTrivalent Chromate / Chromate PlatingNot Provided / Trivalent Chromate / Chromate PlatingNot ProvidedTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingBright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating
                                                                                            Hex Nut Type----Class 1-Class 1 ~ Class 2-Class 1Class 1--------Class 1-Class 2Class 2---Class 1Class 1Class 1--Class 2-Class 1 ~ Class 2-Class 3Class 1Class 3Class 1 ~ Class 2----Class 2Class 1Class 1

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