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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
  • 1 Day(s) or Less
  • 2 Day(s) or Less
  • 9 Day(s) or Less
  • 10 Day(s) or Less
  • 11 Day(s) or Less
  • 12 Day(s) or Less
  • 14 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

    Self-Locking Nut

      U-Nuts (Pack)

        Hardlock Nut (Thread-Lock Nut)

          Fine Hard Locking Nut

            Nylon Nut (Type 1)

              Double Locking Nuts

                Thin Hard Locking Nut

                  Hard Lock Nut

                    Semi-Flat Hard Locking Nut

                      U Nut Class 1 and 2 (Steel/SUS304)

                        Iron and Stainless Steel Stable Nut

                          Hyper Load Nut

                            Left-Handed U-Nut

                              H-1 Rimmed Hard Locking Nut

                                Nylon Nut Type 1

                                  Lock Nut - SWUS

                                    Stable Nut, Thin Type (Friction Nut)

                                      Lead Lock Nut

                                        Nylon Nut (Type 1, Fine Details)

                                          Locking K Nut

                                            Hex Nylon Nut - Inch Size

                                              Hard Locking Bearing Nuts (Thin)

                                                Whitworth Hard Locking Nut

                                                  Nylon Nut Unified (UNC)

                                                    Tough Lock

                                                      Tough Lock Flange

                                                        Triple Lock

                                                          E-Lock Nut

                                                            U Nut Type 3

                                                              U Nut

                                                                Hex Nut “Hyper Load Nut”

                                                                  U Nut

                                                                    Iron U-Nut Thin Type (Smooth Cut)

                                                                      HARDLOCK Nut (H-1/with Rim)

                                                                        HARDLOCK Nut (Fine Thread)

                                                                          Stop Looseness Nylon Nut [Stainless] EA949GM-105

                                                                            Anti-Loosening Nut with Interior Nylon EA949GN-5

                                                                              Anti-Loosing Nut [Trivalent Chromate] (4 pcs) EA949PY-10

                                                                                Anti-Loosing Nut [Trivalent Chromate] (4 pcs) EA949PY-12

                                                                                  Anti-Loosing Nut [Trivalent Chromate] (4 pcs) EA949PY-8

                                                                                    Titanium Locking Nut - SWUT

                                                                                      Stable Nut

                                                                                        Nylon Nut Type 2

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

                                                                                            Nylon Nut Class 1 Small

                                                                                            Brand

                                                                                            KST

                                                                                            MISUMI

                                                                                            HARDLOCK INDUSTRY

                                                                                            HARDLOCK INDUSTRY

                                                                                            LOCKFASTENER

                                                                                            MISUMI

                                                                                            HARDLOCK INDUSTRY

                                                                                            SUNCO

                                                                                            HARDLOCK INDUSTRY

                                                                                            FUJI SEIMITSU

                                                                                            SOHWA SEISAKUSHO

                                                                                            KHI

                                                                                            FUJI SEIMITSU

                                                                                            HARDLOCK INDUSTRY

                                                                                            SUNCO

                                                                                            NABEYA BI-TECH

                                                                                            SOHWA SEISAKUSHO

                                                                                            SUNCO

                                                                                            TOMOE KOGYO

                                                                                            KFC

                                                                                            SAIMA CORPORATION

                                                                                            SUNCO

                                                                                            HARDLOCK INDUSTRY

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            KISHU FASTENER

                                                                                            SUNCO

                                                                                            FUJI SEIMITSU

                                                                                            TRUSCO NAKAYAMA

                                                                                            TRUSCO NAKAYAMA

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            NABEYA BI-TECH

                                                                                            SOHWA SEISAKUSHO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            Product Series

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

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

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

                                                                                            Fine Hard Locking Nut

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

                                                                                            Double Locking Nuts

                                                                                            Thin Hard Locking Nut

                                                                                            Hard Lock Nut

                                                                                            Semi-Flat Hard Locking Nut

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

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

                                                                                            Hyper Load Nut【1-300 Pieces Per Package】

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

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

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

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

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

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

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

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

                                                                                            Hex Nylon Nut - Inch Size

                                                                                            Hard Locking Bearing Nuts (Thin)

                                                                                            Whitworth Hard Locking Nut【1-10 Pieces Per Package】

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

                                                                                            Tough Lock【400 Pieces Per Package】

                                                                                            Tough Lock Flange【350 Pieces Per Package】

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

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

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

                                                                                            U Nut【1-20 Pieces Per Package】

                                                                                            Hex Nut “Hyper Load Nut”【1-7 Pieces Per Package】

                                                                                            U Nut

                                                                                            Iron U-Nut Thin Type (Smooth Cut)【1-500 Pieces Per Package】

                                                                                            HARDLOCK Nut (H-1/with Rim)

                                                                                            HARDLOCK Nut (Fine Thread)

                                                                                            Stop Looseness Nylon Nut [Stainless] EA949GM-105【6 Pieces Per Package】

                                                                                            Anti-Loosening Nut with Interior Nylon EA949GN-5【400 Pieces Per Package】

                                                                                            Anti-Loosing Nut [Trivalent Chromate] (4 pcs) EA949PY-10【4 Pieces Per Package】

                                                                                            Anti-Loosing Nut [Trivalent Chromate] (4 pcs) EA949PY-12【4 Pieces Per Package】

                                                                                            Anti-Loosing Nut [Trivalent Chromate] (4 pcs) EA949PY-8【4 Pieces Per Package】

                                                                                            Titanium Locking Nut - SWUT

                                                                                            Stable Nut

                                                                                            Nylon Nut Type 2

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

                                                                                            Nylon Nut Class 1 Small【1-500 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
                                                                                            Days to Ship Same day or more Same day or more Same day or more 9 Day(s) or more Same day or more Same day 9 Day(s) or more 10 Day(s) or more 9 Day(s) or more Same day or more 9 Day(s) or more 9 Day(s) or more 10 Day(s) or more Same day or more Same day or more Same day or more 9 Day(s) or more 10 Day(s) or more 9 Day(s) or more 9 Day(s) or more 11 Day(s) or more 9 Day(s) or more 10 Day(s) or more 10 Day(s) or more 10 Day(s) or more 10 Day(s) or more 10 Day(s) or more Same day or more 9 Day(s) or more 2 Day(s) or more 9 Day(s) or more 9 Day(s) or more 9 Day(s) or more 10 Day(s) or more 9 Day(s) or more 9 Day(s) or more 9 Day(s) or more 9 Day(s) or more 9 Day(s) or more 9 Day(s) or more Same day or more 9 Day(s) or more Same day or more 9 Day(s) or more 10 Day(s) or more
                                                                                            Nominal of Thread (M)3 ~ 304 ~ 166 ~ 648 ~ 361 ~ 366 ~ 1616 ~ 361424 ~ 483 ~ 644 ~ 308 ~ 246 ~ 205 ~ 301 ~ 366 ~ 126 ~ 123 ~ 168 ~ 245 ~ 24-16 ~ 36--885 ~ 205 ~ 124 ~ 204 ~ 208 ~ 205 ~ 428 ~ 242410 ~ 30-----3 ~ 104 ~ 165 ~ 18-8 ~ 10
                                                                                            MaterialStainless Steel ~ SteelStainless Steel ~ SteelBrass ~ SteelStainless Steel ~ SteelStainless Steel ~ TitaniumStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelBrass ~ TitaniumStainless SteelStainless Steel ~ SteelSteelSteelStainless Steel ~ SteelStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelSteelSteelStainless Steel ~ Steel-----TitaniumStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ Steel
                                                                                            Surface TreatmentNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Trivalent Chromate / Bright Chrome PlatingTrivalent Chromate / Chromate Plating / Nickel Plating / ParkerizingNot Provided / Trivalent ChromateNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent ChromateNot Provided / Trivalent ChromateParkerizingNot Provided / Trivalent ChromateNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Chrome Plating / Silver/Copper/Tin PlatingNot Provided / Trivalent Chromate / Zinc Plating-Trivalent Chromate / Parkerizing / Painting, CoatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Painting, CoatingNot ProvidedNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Zinc PlatingPassivatedTrivalent Chromate / Zinc Plating / ParkerizingNot Provided / Trivalent Chromate / Zinc PlatingBright Chrome PlatingTrivalent ChromateTrivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate---Trivalent ChromateTrivalent Chromate / Bright Chrome PlatingTrivalent ChromateTrivalent Chromate / Parkerizing-----PolishingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate PlatingBright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating
                                                                                            Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse (Left)Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseUnified, Coarse (UNC) / Unified, Fine (UNF)Metric, Coarse / Metric, FineWhit, CoarseUnified, Coarse (UNC)Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, Fine-----Metric, CoarseMetric, CoarseMetric, CoarseUnified, Fine (UNF)Metric, Coarse
                                                                                            Applications, FunctionsLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockFall-off PreventionLockLockLockLock-----LockLockLockLockLock
                                                                                            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.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.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.) ~ Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) ~ Box, Pkg.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.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.)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.)Low Quantity (Available beginning with 1 pc.) ~ Box, Pkg.
                                                                                            Nominal of Thread (inch)--------------------No. 1 ~ No. 12-1 ~ 7/81/2 ~ No. 10-------------------1/2 ~ 5/16-
                                                                                            Surface Treatment (Details)Copper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Hot Zinc Plating / Chromate Plating / Nickel PlatingNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Hot Zinc Plating / Chromate Plating / Nickel Plating / ParkerizingNot Provided / Trivalent ChromateNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent ChromateNot Provided / Trivalent ChromateOther Special TreatmentNot Provided / Trivalent ChromateNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingTin Plating / Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Chrome PlatingNot Provided / Trivalent Chromate / Hot Zinc PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingSeizure-Against Coating / Not Provided / Trivalent Chromate / Hot Zinc Plating / ParkerizingTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingNot ProvidedNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Hot Zinc PlatingBarrel, PassivatedOther Special Treatment / Trivalent Chromate / Hot Zinc PlatingNot Provided / Trivalent Chromate / Hot Zinc PlatingBright Chrome PlatingTrivalent ChromateTrivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome PlatingTrivalent ChromateTrivalent ChromateTrivalent Chromate / Bright Chrome PlatingTrivalent ChromateOther Special Treatment / Trivalent Chromate-----Special Chemical GrindingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate PlatingBright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating
                                                                                            Hex Nut Type----Class 1----Class 1 ~ Class 2Class 1 ~ Class 2---Class 1--Class 1 ~ Class 2Class 1Class 1Class 2--Class 1----Class 3--Class 2----------Class 2Class 1Class 1
                                                                                            Locking DetailsFriction NutU NutHard Lock NutHard Lock NutNylon NutHard Lock NutHard Lock NutHard Lock NutHard Lock NutU NutFriction NutSpring NutU NutHard Lock NutNylon NutFriction NutFriction NutFriction NutNylon NutFriction NutNylon NutHard Lock NutHard Lock NutNylon NutOther Special ShapesOther Special ShapesOther Special ShapesFriction NutU NutU NutHard Lock NutFriction NutU NutHard Lock NutHard Lock Nut-----Nylon NutFriction NutNylon NutNylon NutNylon Nut

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