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
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  • Same day
  • 5 Day(s) or Less
  • 6 Day(s) or Less
  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • 10 Day(s) or Less
  • 11 Day(s) or Less
  • 12 Day(s) or Less
  • 15 Day(s) or Less
  • 16 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)

      Nylon Nut (Type 1)

        U Nut Class 1 and 2 (Steel/SUS304)

          Hard Locking Nut

            Tough Lock Nut Small

              U-Nut, Small, Fine Type

                Double Locking Nuts

                  Nylon Nut Type 1

                    Type 1 U-Nut (SUS316L)

                      U Nut, Unified (UNF)

                        Tough Lock Nut Small and Fine

                          Self-Locking Nut

                            Nylon Nut (Type 2)

                              U Nut Type 1 (Fine Details)

                                Specialized U-Nut Pitch of 1.5

                                  Small U-Nut

                                    HARDLOCK Nut (Fine Thread)

                                      Lock Nut - SWUS

                                        Semi-Flat Hard Locking Nut

                                          Nylon Nut Type 2

                                            Nylon Nut (Type 1, Small Size, Fine Details)

                                              Thin, Lead Locking Nut

                                                GU Nut

                                                  U Nut Type 2

                                                    Left-Handed U-Nut

                                                      U Nut Type 3

                                                        K Nut with Washer

                                                          Anti-Loosing Nut [Hot Dip Galvanizing] (2 pcs) EA949PY-120

                                                            Titanium Locking Nut - SWUT

                                                              H-1 Rimmed Hard Locking Nut

                                                                Whitworth Hard Locking Nut

                                                                  Fine Hard Locking Nut

                                                                    Thin Hard Locking Nut

                                                                      Stable Nut

                                                                        Stable Nut Fine

                                                                          Stable Nut Other Fine

                                                                            Stable Nut Thin

                                                                              Nylon Nut Unified (UNC)

                                                                                Nylon Nut Unified (UNF)

                                                                                  Nylon Nut Class 1 Small

                                                                                    Nylon Nut Class 1 Fine

                                                                                      Nylon Nut Class 1 Small and Fine

                                                                                        Lead Lock Nut

                                                                                          Flanged Lead Lock Nut

                                                                                            Lead Lock Nut Fine

                                                                                            Brand

                                                                                            MISUMI

                                                                                            LOCKFASTENER

                                                                                            FUJI SEIMITSU

                                                                                            HARDLOCK INDUSTRY

                                                                                            SUNCO

                                                                                            FUJI SEIMITSU

                                                                                            MISUMI

                                                                                            SUNCO

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            SUNCO

                                                                                            KST

                                                                                            TOMOE KOGYO

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            SUNCO

                                                                                            NABEYA BI-TECH

                                                                                            HARDLOCK INDUSTRY

                                                                                            SUNCO

                                                                                            TOMOE KOGYO

                                                                                            SUNCO

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            KFC

                                                                                            ESCO

                                                                                            NABEYA BI-TECH

                                                                                            HARDLOCK INDUSTRY

                                                                                            HARDLOCK INDUSTRY

                                                                                            HARDLOCK INDUSTRY

                                                                                            HARDLOCK INDUSTRY

                                                                                            SOHWA SEISAKUSHO

                                                                                            SOHWA SEISAKUSHO

                                                                                            SOHWA SEISAKUSHO

                                                                                            SOHWA SEISAKUSHO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            Product Series

                                                                                            U-Nuts (Pack)【1-100 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】

                                                                                            Hard Locking Nut【1-1,500 Pieces Per Package】

                                                                                            Tough Lock Nut Small【500 Pieces Per Package】

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

                                                                                            Double Locking Nuts

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

                                                                                            Type 1 U-Nut (SUS316L)

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

                                                                                            Tough Lock Nut Small and Fine【200 Pieces Per Package】

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

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

                                                                                            U Nut Type 1 (Fine Details)

                                                                                            Specialized U-Nut Pitch of 1.5

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

                                                                                            HARDLOCK Nut (Fine Thread)

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

                                                                                            Semi-Flat Hard Locking Nut【1-100 Pieces Per Package】

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

                                                                                            Nylon Nut (Type 1, Small Size, Fine Details)【1-150 Pieces Per Package】

                                                                                            Thin, Lead Locking Nut【400-1,800 Pieces Per Package】

                                                                                            GU Nut

                                                                                            U Nut Type 2【1-1,500 Pieces Per Package】

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

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

                                                                                            K Nut with Washer【80-1,000 Pieces Per Package】

                                                                                            Anti-Loosing Nut [Hot Dip Galvanizing] (2 pcs) EA949PY-120【2 Pieces Per Package】

                                                                                            Titanium Locking Nut - SWUT

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

                                                                                            Whitworth Hard Locking Nut【1-100 Pieces Per Package】

                                                                                            Fine Hard Locking Nut【1-100 Pieces Per Package】

                                                                                            Thin Hard Locking Nut

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

                                                                                            Stable Nut Fine【300 Pieces Per Package】

                                                                                            Stable Nut Other Fine【200 Pieces Per Package】

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

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

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

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

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

                                                                                            Nylon Nut Class 1 Small and Fine【1-150 Pieces Per Package】

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

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

                                                                                            Lead Lock Nut Fine【200-300 Pieces Per Package】

                                                                                            CAD
                                                                                            • 2D / 3D
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                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
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                                                                                            Days to Ship Same day or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 6 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 6 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 6 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 12 Day(s) or more 12 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more
                                                                                            Nominal of Thread (M)4 ~ 161 ~ 363 ~ 646 ~ 64810 ~ 206 ~ 161 ~ 364 ~ 30-123 ~ 305 ~ 128 ~ 2012 ~ 27810 ~ 306 ~ 1218 ~ 485 ~ 1810 ~ 126 ~ 108 ~ 166 ~ 366 ~ 204 ~ 205 ~ 16-3 ~ 105 ~ 30-8 ~ 4216 ~ 364 ~ 3010126 ~ 12--8 ~ 108 ~ 2010 ~ 123 ~ 165 ~ 810 ~ 12
                                                                                            MaterialStainless Steel ~ SteelStainless Steel ~ TitaniumStainless Steel ~ SteelBrass ~ SteelSteelSteelStainless Steel ~ SteelBrass ~ TitaniumStainless SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ Steel-TitaniumStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelSteel
                                                                                            Surface TreatmentNot Provided / Trivalent Chromate / Bright Chrome PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingTrivalent Chromate / Chromate Plating / Nickel Plating / ParkerizingTrivalent Chromate-Not Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Painting, Coating--Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating---Trivalent Chromate / ParkerizingNot ProvidedNot Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating----Not Provided / Zinc Plating-PolishingTrivalent Chromate / Parkerizing / Painting, CoatingNot Provided / Trivalent Chromate / Zinc PlatingNot Provided / Trivalent ChromateNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Silver/Copper/Tin PlatingNot Provided / Bright Chrome PlatingNot Provided / Bright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingBright Chrome PlatingBright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating
                                                                                            Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseUnified, Fine (UNF)Metric, FineMetric, CoarseMetric, CoarseMetric, FineMetric, FineMetric, FineMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse (Left)Metric, CoarseMetric, Coarse-Metric, CoarseMetric, CoarseWhit, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, FineMetric, FineMetric, CoarseUnified, Coarse (UNC)Unified, Fine (UNF)Metric, CoarseMetric, FineMetric, FineMetric, CoarseMetric, CoarseMetric, Fine
                                                                                            Applications, FunctionsLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock-LockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock
                                                                                            Sales UnitLow 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.) ~ 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.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.)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.) ~ 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.) ~ 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.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.Box, Pkg.Box, Pkg.
                                                                                            Nominal of Thread (inch)---------1 ~ 7/16--------------------1 ~ 7/8------1/2 ~ No. 101/2 ~ No. 10------
                                                                                            Surface Treatment (Details)Not Provided / Trivalent ChromateNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Hot Zinc Plating / Chromate Plating / Nickel Plating / ParkerizingTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingNot ProvidedNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateCopper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Hot Zinc Plating / Chromate Plating / Nickel PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingNot Provided / Trivalent 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 ChromateNot ProvidedNot Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateBright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Hot Zinc Plating-Special Chemical GrindingSeizure-Against Coating / Not Provided / Trivalent Chromate / Hot Zinc Plating / ParkerizingNot Provided / Trivalent Chromate / Hot Zinc PlatingNot Provided / Trivalent ChromateNot Provided / Trivalent ChromateTin Plating / Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Bright Chrome PlatingNot Provided / Bright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingBright Chrome PlatingBright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating
                                                                                            Hex Nut Type-Class 1Class 1 ~ Class 2----Class 1Class 1---Class 2Class 1-----Class 2Class 1Class 2-Class 2-Class 3Class 1----------Class 1Class 1Class 1Class 1Class 1Class 1 ~ Class 2Class 2Class 2
                                                                                            Locking DetailsU NutNylon NutU NutHard Lock NutOther Special ShapesU NutHard Lock NutNylon NutU NutU NutOther Special ShapesFriction NutNylon NutU NutU NutU NutHard Lock NutFriction NutHard Lock NutNylon NutNylon NutFriction NutU NutU NutU NutU NutOther Special Shapes-Nylon NutHard Lock NutHard Lock NutHard Lock NutHard Lock NutFriction NutFriction NutFriction NutFriction NutNylon NutNylon NutNylon NutNylon NutNylon NutFriction NutFriction NutFriction Nut

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