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Lock Nuts(Locking Details:U Nut)

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
  • 1 Day(s) or Less
  • 2 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
  • 10 Day(s) or Less
  • 11 Day(s) or Less
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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

    U-Nuts (Pack)

      Type 1 U-Nut (SUS316L)

        Fine Welded U-Nut

          U-Nut Unified (UNC)

            [Clean & Pack]U Nut - Single Item

              Small U-Nut

                Iron U-Nut Thin Type (Smooth Cut)

                  4T Tough Locking

                    4T Tough Lock Flange

                      8T Tough Lock Flange

                        GU Nut

                          U Nut Class 1 and 2 (Steel/SUS304)

                            U Nut Type 1 (Fine Details)

                              U Nut Type 2

                                U Nut Type 2 (Fine Details)

                                  Nut, Whitworth

                                    U Nut, Unified (UNF)

                                      Left-Handed U-Nut

                                        Specialized U-Nut Pitch of 1.5

                                          U-Nut, Small, Fine Type

                                            U Nut Thin Special Pitch P=1.5

                                              Thin, Fine U-Nut

                                                U Nut Type 3

                                                  U Nut

                                                    U Nut (Fine)

                                                      U Nut (Fine P=1.5)

                                                        U Nut, Thin

                                                        Brand

                                                        MISUMI

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        MISUMI

                                                        FUJI SEIMITSU

                                                        SUNCO

                                                        SATO RASHI

                                                        SATO RASHI

                                                        SATO RASHI

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        FUJI SEIMITSU

                                                        TRUSCO NAKAYAMA

                                                        SUNCO

                                                        SUNCO

                                                        SUNCO

                                                        Product Series

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

                                                        Type 1 U-Nut (SUS316L)

                                                        Fine Welded U-Nut

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

                                                        [Clean & Pack]U Nut - Single Item

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

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

                                                        4T Tough Locking【400-600 Pieces Per Package】

                                                        4T Tough Lock Flange【500 Pieces Per Package】

                                                        8T Tough Lock Flange【120-350 Pieces Per Package】

                                                        GU Nut

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

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

                                                        U Nut Type 2【1-600 Pieces Per Package】

                                                        U Nut Type 2 (Fine Details)【1-120 Pieces Per Package】

                                                        Nut, Whitworth【1-1,000 Pieces Per Package】

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

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

                                                        Specialized U-Nut Pitch of 1.5

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

                                                        U Nut Thin Special Pitch P=1.5

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

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

                                                        U Nut【1-20 Pieces Per Package】

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

                                                        U Nut (Fine P=1.5)

                                                        U Nut, Thin

                                                        CAD
                                                        • 2D / 3D
                                                        Days to Ship 1 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 1 Day(s) or more 5 Day(s) or more 5 Day(s) or more 2 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 9 Day(s) or more 9 Day(s) or more 5 Day(s) or more
                                                        Nominal of Thread (M)4 ~ 164 ~ 3010 ~ 12--88 ~ 246 ~ 866 ~ 108 ~ 163 ~ 648 ~ 2710 ~ 3610 ~ 56--6 ~ 2012 ~ 2710 ~ 20128 ~ 184 ~ 204 ~ 2012 ~ 4212 ~ 304 ~ 24
                                                        MaterialStainless Steel ~ SteelStainless SteelSteelStainless Steel ~ SteelSteelSteelSteelSteelSteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelSteel
                                                        Applications, FunctionsLockLockFor WeldingLockStandard / m / nLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock
                                                        Thread TypeMetric, CoarseMetric, CoarseMetric, FineUnified, Coarse (UNC)Metric, CoarseMetric, FineMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, FineWhit, CoarseUnified, Fine (UNF)Metric, Coarse (Left)Metric, FineMetric, FineMetric, FineMetric, FineMetric, CoarseMetric, CoarseMetric, FineMetric, FineMetric, Coarse
                                                        Surface TreatmentNot Provided / Trivalent Chromate / Bright Chrome Plating-----Trivalent Chromate / Bright Chrome PlatingTrivalent ChromateTrivalent ChromateTrivalent Chromate-Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating---Not Provided--------Trivalent ChromateTrivalent Chromate / Bright Chrome PlatingTrivalent Chromate / Chromate Plating
                                                        Sales UnitLow 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.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.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.)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.
                                                        Locking DetailsU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU NutU Nut
                                                        Nominal of Thread (inch)---1 ~ No. 10-----------1 ~ 7/81/2 ~ No. 10----------
                                                        Surface Treatment (Details)Not Provided / Trivalent ChromateNot ProvidedNot ProvidedNot Provided / Bright Chrome Plating / Chromate Plating-Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome PlatingTrivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent ChromateNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingBright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Bright Chrome Plating / Hot Zinc 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 Chromate / Bright Chrome Plating / Chromate PlatingBright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome PlatingTrivalent ChromateTrivalent Chromate / Bright Chrome PlatingTrivalent Chromate / Chromate Plating
                                                        Hex Nut Type-Class 1---------Class 1 ~ Class 2Class 1 ~ Class 2Class 2Class 2Class 1 ~ Class 2------Class 3-Class 2Class 2-

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