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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
  • 4 Day(s) or Less
  • 5 Day(s) or Less
  • 6 Day(s) or Less
  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 11 Day(s) or Less
  • 12 Day(s) or Less
  • 13 Day(s) or Less
Brand
Product Series
CAD
Days to Ship
Nominal of Thread (M)
Material
Applications, Functions
Thread Type
Surface Treatment
Sales Unit
Locking Details
Nominal of Thread (inch)
Surface Treatment (Details)
Hex Nut Type

    Ring Lock Nut (With Threadlocker) - Stainless Steel, Package Sale, Single Item [RoHS Compliant]

    • On Sale Till 31/03/2025

    Self-Locking Nut

    • On Sale Till 31/03/2025

    U-Nuts (Pack)

      Nylon Lock Nut Type 1

        Nylon Lock Nut (Type 1) (Iron / Brass)

          W Pull Screw

          • On Sale Till 31/03/2025

          Double Locking Nut - Hard Lock Nut

            Lock Nut - SWUS

            • On Sale Till 31/03/2025

            Nylon Lock Nut Type 2

              U Nut Class 1 and 2 (Steel/SUS304)

                Hard Lock Nut

                  Hard Locking Bearing Nuts (Thin)

                    H-1 Rimmed Hard Locking Nut

                      [Clean & Pack]U Nut - Single Item

                        Thin Hard Locking Nut

                          Nylon Lock Nut (Unified UNC)

                            Nylon Lock Nut (Type 2)

                              Iron and Stainless Steel Stable Nut

                                Spring Nut

                                  Nylon Lock Nut (Type 1, Fine Details)

                                    E-Lock Nut

                                      HARDLOCK Nut (H-1/with Rim)

                                        HARDLOCK Nut (Fine Thread)

                                          [Clean & Pack] Double Locking Nut

                                            Nylon Lock Nut Class 1 Fine

                                              Flanged Lead Lock Nut

                                                Nylon Lock Nut (Type 1, Small Size)

                                                  Thin, Fine U-Nut

                                                    Titanium Locking Nut - SWUT

                                                      Whitworth Hard Locking Nut

                                                        Fine Hard Locking Nut

                                                          Nylon Lock Nut Unified (UNC)

                                                            Stable Nut, Thin Shape

                                                              Nylon Lock Nut (Type 1, Small Size)

                                                                Nylon Lock Nut (Unified UNF)

                                                                  Nylon Lock Nut (Type 1 / Small / Fine)

                                                                  • On Sale Till 31/03/2025

                                                                  U Nut Type 2 (Fine Details)

                                                                    Left-Handed U-Nut

                                                                      U Nut Type 3

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

                                                                          Fine U Nut

                                                                            Stable Nut Thin Type

                                                                              FB Lock Nut

                                                                                Semi-Flat Hard Locking Nut

                                                                                  Hardlock Nut (Thread-Lock Nut)

                                                                                  Brand

                                                                                  MISUMI

                                                                                  MiSUMi Economy

                                                                                  KST

                                                                                  MISUMI

                                                                                  SUNCO

                                                                                  TOMOE KOGYO

                                                                                  OHSATO

                                                                                  MISUMI

                                                                                  NABEYA BI-TECH

                                                                                  SUNCO

                                                                                  FUJI SEIMITSU

                                                                                  SUNCO

                                                                                  SUNCO

                                                                                  HARDLOCK INDUSTRY

                                                                                  MISUMI

                                                                                  HARDLOCK INDUSTRY

                                                                                  LOCKFASTENER

                                                                                  TOMOE KOGYO

                                                                                  SOHWA SEISAKUSHO

                                                                                  SAKAMURA

                                                                                  LOCKFASTENER

                                                                                  SUNCO

                                                                                  SUNCO

                                                                                  SUNCO

                                                                                  MISUMI

                                                                                  SUNCO

                                                                                  SUNCO

                                                                                  TOMOE KOGYO

                                                                                  FUJI SEIMITSU

                                                                                  NABEYA BI-TECH

                                                                                  HARDLOCK INDUSTRY

                                                                                  HARDLOCK INDUSTRY

                                                                                  SUNCO

                                                                                  SOHWA SEISAKUSHO

                                                                                  LOCKFASTENER

                                                                                  LOCKFASTENER

                                                                                  TOMOE KOGYO

                                                                                  FUJI SEIMITSU

                                                                                  FUJI SEIMITSU

                                                                                  FUJI SEIMITSU

                                                                                  TRUSCO NAKAYAMA

                                                                                  SUNCO

                                                                                  SUNCO

                                                                                  FORTUNE BRIGHT

                                                                                  HARDLOCK INDUSTRY

                                                                                  HARDLOCK INDUSTRY

                                                                                  Product Series

                                                                                  Ring Lock Nut (With Threadlocker) - Stainless Steel, Package Sale, Single Item [RoHS Compliant]【1-250 Pieces Per Package】

                                                                                  Self-Locking Nut

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

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

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

                                                                                  W Pull Screw【50-100 Pieces Per Package】

                                                                                  Double Locking Nut - Hard Lock Nut

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

                                                                                  Nylon Lock Nut Type 2

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

                                                                                  Hard Lock Nut【1-200 Pieces Per Package】

                                                                                  Hard Locking Bearing Nuts (Thin)

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

                                                                                  [Clean & Pack]U Nut - Single Item

                                                                                  Thin Hard Locking Nut

                                                                                  Nylon Lock Nut (Unified UNC)

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

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

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

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

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

                                                                                  HARDLOCK Nut (H-1/with Rim)

                                                                                  HARDLOCK Nut (Fine Thread)

                                                                                  [Clean & Pack] Double Locking Nut

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

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

                                                                                  Nylon Lock Nut (Type 1, Small Size)【1-500 Pieces Per Package】

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

                                                                                  Titanium Locking Nut - SWUT

                                                                                  Whitworth Hard Locking Nut

                                                                                  Fine Hard Locking Nut

                                                                                  Nylon Lock Nut Unified (UNC)

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

                                                                                  Nylon Lock Nut (Type 1, Small Size)

                                                                                  Nylon Lock Nut (Unified UNF)

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

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

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

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

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

                                                                                  Fine U Nut

                                                                                  Stable Nut Thin Type【400 Pieces Per Package】

                                                                                  FB Lock Nut

                                                                                  Semi-Flat Hard Locking Nut

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

                                                                                  CAD
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  Days to Ship 4 Day(s) or more Same day or more Same day or more Same day or more 4 Day(s) or more 11 Day(s) Same day or more Same day or more Same day or more Same day or more 7 Day(s) or more 7 Day(s) or more 4 Day(s) or more 6 Day(s) or more 4 Day(s) or more 4 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 8 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 8 Day(s) 7 Day(s) or more 7 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more
                                                                                  Nominal of Thread (M)-3 ~ 204 ~ 162 ~ 362 ~ 303 ~ 66 ~ 166 ~ 125 ~ 183 ~ 6014 ~ 1816 ~ 365 ~ 30-16 ~ 36-5 ~ 124 ~ 204 ~ 128 ~ 105 ~ 128 ~ 3010 ~ 30-8 ~ 205 ~ 888 ~ 183 ~ 10-8 ~ 36-6 ~ 128 ~ 10-10 ~ 1210 ~ 566 ~ 204 ~ 206 ~ 20M10x0.75 ~ M150x2.0103 ~ 3036 ~ 486 ~ 64
                                                                                  MaterialStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelBrass ~ TitaniumBrass ~ SteelStainless SteelStainless Steel ~ SteelStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelSteelStainless Steel ~ SteelSteelSteelSteelTitaniumStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelStainless Steel ~ SteelSteelSteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelBrass ~ Steel
                                                                                  Applications, Functions-LockLockLockLock-LockLockLockLockLockLockLockStandard / m / nLockLockLockLockLockLockLockLockLockStandard / m / nLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockFall-off Prevention-LockLockLockLock
                                                                                  Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse-Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse / Metric, FineMetric, CoarseMetric, CoarseMetric, CoarseUnified, Coarse (UNC)Metric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseWhit, CoarseMetric, FineUnified, Coarse (UNC)Metric, CoarseMetric, CoarseUnified, Fine (UNF)Metric, FineMetric, FineMetric, Coarse (Left)Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse
                                                                                  Surface TreatmentNot ProvidedNot Provided / Bright Chrome Plating / Zinc Plating / Painting, CoatingNot Provided / Trivalent Chromate / Bright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Painting, CoatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating-Not Provided / Trivalent ChromateNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingTrivalent Chromate / ParkerizingTrivalent Chromate / Zinc Plating / ParkerizingTrivalent Chromate / Parkerizing / Painting, Coating-Not Provided / Trivalent ChromateNot Provided / Bright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingNot ProvidedTrivalent ChromateTrivalent Chromate / Zinc Plating / DacrotizingTrivalent Chromate / Parkerizing-Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating-PolishingNot Provided / Trivalent Chromate / Zinc PlatingNot Provided / Trivalent ChromateBright Chrome PlatingNot Provided / Trivalent Chromate / Chromate PlatingNot ProvidedNot Provided / Bright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate Plating----Not ProvidedTrivalent ChromateNot Provided / Bright Chrome Plating / Zinc PlatingNot Provided / Trivalent ChromateTrivalent Chromate / Nickel Plating / Parkerizing
                                                                                  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.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.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.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.-Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)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.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.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.
                                                                                  Locking DetailsSpring NutFriction NutU NutNylon NutNylon NutNylon NutHard Lock NutFriction NutNylon NutU NutHard Lock NutHard Lock NutHard Lock NutU NutHard Lock NutNylon NutNylon NutFriction NutSpring NutNylon NutFriction NutHard Lock NutHard Lock NutHard Lock NutNylon NutFriction NutNylon NutU NutNylon NutHard Lock NutHard Lock NutNylon NutFriction NutNylon NutNylon NutNylon NutU NutU NutU NutHard Lock Nut-Friction NutFriction NutHard Lock NutHard Lock Nut
                                                                                  Nominal of Thread (inch)---------------1/2 ~ No. 10-------------1 ~ 5/8-1/2 ~ No. 10--1/2 ~ No. 10----------
                                                                                  Surface Treatment (Details)Not ProvidedBlack Paint / Not Provided / Bright Chrome Plating / Hot Zinc PlatingNot Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingOther Special Treatment / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating-Not Provided / Trivalent ChromateNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingOther Special Treatment / Trivalent ChromateOther Special Treatment / Trivalent Chromate / Hot Zinc PlatingSeizure-Against Coating / Not Provided / Trivalent Chromate / Hot Zinc Plating / Parkerizing-Not Provided / Trivalent ChromateNot Provided / Bright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingNot ProvidedTrivalent ChromateTrivalent Chromate / Hot Zinc Plating / DacrotizingOther Special Treatment / Trivalent Chromate-Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingSpecial Chemical GrindingNot Provided / Trivalent Chromate / Hot Zinc PlatingNot Provided / Trivalent ChromateBright Chrome PlatingNot Provided / Trivalent Chromate / Chromate PlatingNot ProvidedNot Provided / Bright Chrome PlatingTrivalent Chromate / 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 PlatingTrivalent ChromateNot ProvidedTrivalent ChromateNot Provided / Bright Chrome Plating / Hot Zinc PlatingNot Provided / Trivalent ChromateNot Provided / Trivalent Chromate / Hot Zinc Plating / Nickel Plating / Parkerizing
                                                                                  Hex Nut TypeClass 1--Class 1Class 1---Class 2Class 1 ~ Class 2------Class 2Class 1 ~ Class 2-Class 1----Class 1Class 2Class 1----Class 1Class 3Class 1-Class 1Class 2-Class 3------

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