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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
  • 6 Day(s) or Less
  • 11 Day(s) or Less
  • 12 Day(s) or Less
  • 13 Day(s) or Less
  • 14 Day(s) or Less
  • 15 Day(s) or Less
  • 16 Day(s) or Less
  • 17 Day(s) or Less
  • 18 Day(s) or Less
Brand
Product Series
CAD
Days to Ship
Nominal of Thread (M)
Material
Surface Treatment
Thread Type
Applications, Functions
Sales Unit
Nominal of Thread (inch)
Surface Treatment (Details)
Hex Nut Type
Locking Details

    U-Nuts (Pack)

      U Nut

        Self-Locking Nut

          Nylon Nut (Type 1)

            U Nut Class 1 and 2 (Steel/SUS304)

              Nylon Nut (Unified UNF)

                E-Lock Nut

                  U Nut, Unified (UNF)

                    Double Locking Nuts

                      V-Lock Nut

                        Lock Nut - SWUS

                          Nylon Nut Type 1

                            Stable Nut, Thin Shape

                              Nylon Nut (Unified UNC)

                                Hex Nut "Hard Lock Nut" (with Rim/Trivalent Chromate)

                                  Hardlock Nut (Thread-Lock Nut)

                                    Hyper Load Nut

                                      Hex Nylon Nut - Inch Size

                                        Fine U Nut

                                          HARDLOCK Nut (H-1/with Rim)

                                            HARDLOCK Nut (Fine Thread)

                                              Stainless Steel Nylon Nut

                                                Titanium Locking Nut - SWUT

                                                  Fine Hard Locking Nut

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

                                                      V-Lock Nut (Fine Thread)

                                                        U Nut Type 2

                                                          Left-Handed U-Nut

                                                            Stainless Steel Wedge Lock Nut

                                                              Locking K Nut

                                                                Lead Lock Nut

                                                                  Triple Lock

                                                                    Iron and Stainless Steel Stable Nut

                                                                      Nylon Nut (Type 1, Fine Details)

                                                                        Ida Ring Whitworth

                                                                          Thin, Lead Locking Nut

                                                                            U-Nut, Small, Fine Type

                                                                              U Nut Thin Special Pitch P=1.5

                                                                                Fine Welded U-Nut

                                                                                  Wedge Nut Type F (Iron/Trivalent Chromate) (Pack Product)

                                                                                    U Nut (Fine)

                                                                                      U Nut (Fine P=1.5)

                                                                                        U Nut, Thin

                                                                                          Hard Locking Bearing Nuts (Thin)

                                                                                            Anti-Loosening Nut with Interior Nylon [Stainless Steel] EA949GM-5

                                                                                            Brand

                                                                                            MISUMI

                                                                                            SUNCO

                                                                                            KST

                                                                                            LOCKFASTENER

                                                                                            FUJI SEIMITSU

                                                                                            LOCKFASTENER

                                                                                            SUNCO

                                                                                            FUJI SEIMITSU

                                                                                            MISUMI

                                                                                            KISHU FASTENER

                                                                                            NABEYA BI-TECH

                                                                                            SUNCO

                                                                                            SOHWA SEISAKUSHO

                                                                                            LOCKFASTENER

                                                                                            TRUSCO NAKAYAMA

                                                                                            HARDLOCK INDUSTRY

                                                                                            KHI

                                                                                            SAIMA CORPORATION

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            OHSATO

                                                                                            NABEYA BI-TECH

                                                                                            HARDLOCK INDUSTRY

                                                                                            SUNCO

                                                                                            KISHU FASTENER

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            YAHATA

                                                                                            KFC

                                                                                            SUNCO

                                                                                            KISHU FASTENER

                                                                                            SOHWA SEISAKUSHO

                                                                                            LOCKFASTENER

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            YAHATA

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            ESCO

                                                                                            Product Series

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

                                                                                            U Nut

                                                                                            Self-Locking Nut【1-2,500 Pieces Per Package】

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

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

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

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

                                                                                            U Nut, Unified (UNF)【1-2,000 Pieces Per Package】

                                                                                            Double Locking Nuts

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

                                                                                            Lock Nut - SWUS【1-50 Pieces Per Package】

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

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

                                                                                            Nylon Nut (Unified UNC)【1-3,000 Pieces Per Package】

                                                                                            Hex Nut "Hard Lock Nut" (with Rim/Trivalent Chromate)【1-15 Pieces Per Package】

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

                                                                                            Hyper Load Nut

                                                                                            Hex Nylon Nut - Inch Size

                                                                                            Fine U Nut

                                                                                            HARDLOCK Nut (H-1/with Rim)

                                                                                            HARDLOCK Nut (Fine Thread)

                                                                                            Stainless Steel Nylon Nut【50-100 Pieces Per Package】

                                                                                            Titanium Locking Nut - SWUT

                                                                                            Fine Hard Locking Nut

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

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

                                                                                            U Nut Type 2

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

                                                                                            Stainless Steel Wedge Lock Nut【2-6 Pieces Per Package】

                                                                                            Locking K Nut【25-1,000 Pieces Per Package】

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

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

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

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

                                                                                            Ida Ring Whitworth

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

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

                                                                                            U Nut Thin Special Pitch P=1.5

                                                                                            Fine Welded U-Nut

                                                                                            Wedge Nut Type F (Iron/Trivalent Chromate) (Pack Product)

                                                                                            U Nut (Fine)

                                                                                            U Nut (Fine P=1.5)

                                                                                            U Nut, Thin

                                                                                            Hard Locking Bearing Nuts (Thin)

                                                                                            Anti-Loosening Nut with Interior Nylon [Stainless Steel] EA949GM-5【50 Pieces Per Package】

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            Days to Ship Same day or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more Same day or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 13 Day(s) or more 12 Day(s) or more 12 Day(s) or more 12 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 12 Day(s) or more 11 Day(s) or more 12 Day(s) or more 11 Day(s) or more 11 Day(s) or more 12 Day(s) or more 12 Day(s) or more 11 Day(s) or more 11 Day(s) or more 12 Day(s) or more 12 Day(s) or more 11 Day(s) or more 12 Day(s) or more 12 Day(s) or more 16 Day(s) or more 13 Day(s) or more 12 Day(s) or more 11 Day(s) or more 12 Day(s) or more 12 Day(s) or more
                                                                                            Nominal of Thread (M)4 ~ 165 ~ 423 ~ 301 ~ 363 ~ 64-5 ~ 12-6 ~ 164 ~ 246 ~ 121 ~ 366 ~ 12-6 ~ 206 ~ 648 ~ 24-M10x0.75 ~ M150x2.02410 ~ 303 ~ 63 ~ 108 ~ 36-10 ~ 1266 ~ 204 ~ 105 ~ 243 ~ 165 ~ 204 ~ 308 ~ 12-610 ~ 2012121220124 ~ 2416 ~ 36-
                                                                                            MaterialStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ TitaniumStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelBrass ~ TitaniumStainless Steel ~ SteelStainless Steel ~ SteelSteelBrass ~ SteelStainless Steel ~ SteelStainless SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless SteelTitaniumStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelStainless Steel ~ SteelStainless SteelStainless Steel ~ SteelSteelSteelStainless Steel ~ SteelStainless SteelStainless Steel ~ SteelSteelSteelSteelSteelSteelSteelSteelSteelStainless Steel ~ Steel-
                                                                                            Surface TreatmentNot Provided / Trivalent Chromate / Bright Chrome PlatingTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot Provided / Bright Chrome PlatingTrivalent Chromate-Not Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Painting, CoatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Bright Chrome Plating-Trivalent Chromate / Chromate Plating / Nickel Plating / ParkerizingNot Provided / Trivalent Chromate / Zinc PlatingPassivatedNot ProvidedTrivalent ChromateTrivalent Chromate / Parkerizing-PolishingNot Provided / Trivalent ChromateBright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating---Not Provided / Zinc PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Chrome Plating / Silver/Copper/Tin PlatingNot ProvidedChromate PlatingTrivalent Chromate---Trivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent Chromate / Chromate PlatingTrivalent Chromate / Zinc Plating / Parkerizing-
                                                                                            Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseUnified, Fine (UNF)Metric, CoarseUnified, Fine (UNF)Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseUnified, Coarse (UNC)Metric, CoarseMetric, CoarseMetric, CoarseUnified, Coarse (UNC) / Unified, Fine (UNF)Metric, CoarseMetric, CoarseMetric, Fine-Metric, CoarseMetric, FineUnified, Fine (UNF)Metric, FineMetric, CoarseMetric, Coarse (Left)-Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineWhit, CoarseMetric, CoarseMetric, FineMetric, FineMetric, FineMetric, CoarseMetric, FineMetric, FineMetric, CoarseMetric, Coarse / Metric, Fine-
                                                                                            Applications, FunctionsLockLockLockLockLockLockLockLockLockLockLockLockLockLockFall-off PreventionLockLockLock-LockLock-LockLockLockLockLockLockLockLockLockLockLockLockStandardLockLockLockFor WeldingLockLockLockLockLock-
                                                                                            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.) ~ 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.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.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.)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.)-
                                                                                            Nominal of Thread (inch)-----1/2 ~ No. 10-1 ~ 7/16-----1/2 ~ No. 10---No. 1 ~ No. 12------1/2 ~ 5/16---------1/2 ~ 5/8----------
                                                                                            Surface Treatment (Details)Not Provided / Trivalent ChromateTrivalent ChromateCopper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Hot Zinc Plating / Chromate Plating / Nickel PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Bright Chrome PlatingTrivalent ChromateNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Bright Chrome PlatingTrivalent ChromateNot Provided / Trivalent Chromate / Hot Zinc Plating / Chromate Plating / Nickel Plating / ParkerizingNot Provided / Trivalent Chromate / Hot Zinc PlatingBarrel, PassivatedNot ProvidedTrivalent ChromateOther Special Treatment / Trivalent Chromate-Special Chemical GrindingNot Provided / Trivalent ChromateBright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingBright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot ProvidedNot Provided / Hot Zinc PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTin Plating / Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Chrome PlatingNot ProvidedChromate PlatingTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingChromate PlatingNot ProvidedTrivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent Chromate / Chromate PlatingOther Special Treatment / Trivalent Chromate / Hot Zinc Plating-
                                                                                            Hex Nut Type-Class 2-Class 1Class 1 ~ Class 2----Class 1 ~ Class 2-Class 1Class 3----Class 2------Class 1-Class 2--Class 1Class 1 ~ Class 2-Class 1 ~ Class 2Class 1-Class 2----Class 2Class 2---
                                                                                            Locking DetailsU NutFriction NutFriction NutNylon NutU NutNylon NutFriction NutU NutHard Lock NutFriction NutFriction NutNylon NutFriction NutNylon NutHard Lock NutHard Lock NutSpring NutNylon Nut-Hard Lock NutHard Lock NutNylon NutNylon NutHard Lock NutNylon NutFriction NutU NutU NutOther Special ShapesFriction NutFriction NutOther Special ShapesFriction NutNylon Nut-Friction NutU NutU NutU NutOther Special ShapesU NutU NutU NutHard Lock Nut-

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