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  • Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

Lock Nuts(Applications, Functions:Lock)

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
  • On Sale Till 31/03/2025

U-Nuts (Pack)

  • On Sale Till 31/03/2025

Self-Locking Nut

    Lock Nut - SWUS

      Nylon Nut Type 1

      • On Sale Till 31/03/2025

      Double Locking Nut - Hard Lock Nut

        Nylon Nut (Type 1 / Small / Fine)

          Nylon Nut (Type 2)

            U Nut Class 1 and 2 (Steel/SUS304)

              U Nut Type 3

                Thin, Fine U-Nut

                  Hard Locking Bearing Nuts (Thin)

                    HARDLOCK Nut (Fine Thread)

                      4T Tough Lock Flange

                        Hyper Load Nut

                          U Nut Type 1 (Fine Details)

                            U-Nut, Small, Fine Type

                              H-1 Rimmed Hard Locking Nut

                                V-Lock Nut

                                  Nylon Nut (Type 1) (Iron / Brass)

                                    Hex Nylon Nut - Inch Size

                                      Thin Hard Locking Nut

                                      • On Sale Till 31/03/2025

                                      Nylon Nut Type 2

                                        Nylon Nut (Type 1, Small Size)

                                          Nylon Nut (Type 1, Fine Details)

                                            Fine, Small E-Lock Nut

                                              Hard Lock Nut

                                                FB Lock Nut

                                                  Lead Lock Nut

                                                    Spring Nut

                                                      Tough Lock Nut Fine

                                                        V-Lock Nut (Fine Thread)

                                                          Small (Fine Thread) Triple Lock

                                                            Iron and Stainless Steel Stable Nut

                                                              Nylon Nut (Class 1) (Small) (Fine) Pitch 1.25 mm

                                                                Titanium Locking Nut - SWUT

                                                                  Hardlock Nut (Thread-Lock Nut)

                                                                    Whitworth Hard Locking Nut

                                                                      Fine Hard Locking Nut

                                                                        Stable Nut

                                                                          Nylon Nut Unified (UNC)

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

                                                                              Nylon Nut Class 1 Small

                                                                                Nylon Nut Class 1 Small and Fine

                                                                                  Flanged Lead Lock Nut

                                                                                    Tough Lock

                                                                                    Brand

                                                                                    MISUMI

                                                                                    KST

                                                                                    NABEYA BI-TECH

                                                                                    SUNCO

                                                                                    MISUMI

                                                                                    TOMOE KOGYO

                                                                                    TOMOE KOGYO

                                                                                    FUJI SEIMITSU

                                                                                    FUJI SEIMITSU

                                                                                    FUJI SEIMITSU

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    SATO RASHI

                                                                                    KHI

                                                                                    FUJI SEIMITSU

                                                                                    FUJI SEIMITSU

                                                                                    HARDLOCK INDUSTRY

                                                                                    KISHU FASTENER

                                                                                    TOMOE KOGYO

                                                                                    SAIMA CORPORATION

                                                                                    HARDLOCK INDUSTRY

                                                                                    SUNCO

                                                                                    LOCKFASTENER

                                                                                    TOMOE KOGYO

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    FORTUNE BRIGHT

                                                                                    SUNCO

                                                                                    SAKAMURA

                                                                                    SUNCO

                                                                                    KISHU FASTENER

                                                                                    KISHU FASTENER

                                                                                    SOHWA SEISAKUSHO

                                                                                    LOCKFASTENER

                                                                                    NABEYA BI-TECH

                                                                                    HARDLOCK INDUSTRY

                                                                                    HARDLOCK INDUSTRY

                                                                                    HARDLOCK INDUSTRY

                                                                                    SOHWA SEISAKUSHO

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    SUNCO

                                                                                    Product Series

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

                                                                                    Self-Locking Nut

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

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

                                                                                    Double Locking Nut - Hard Lock Nut

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

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

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

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

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

                                                                                    Hard Locking Bearing Nuts (Thin)

                                                                                    HARDLOCK Nut (Fine Thread)

                                                                                    4T Tough Lock Flange【350-500 Pieces Per Package】

                                                                                    Hyper Load Nut

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

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

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

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

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

                                                                                    Hex Nylon Nut - Inch Size

                                                                                    Thin Hard Locking Nut

                                                                                    Nylon Nut Type 2

                                                                                    Nylon Nut (Type 1, Small Size)

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

                                                                                    Fine, Small E-Lock Nut

                                                                                    Hard Lock Nut【1-200 Pieces Per Package】

                                                                                    FB Lock Nut

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

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

                                                                                    Tough Lock Nut Fine【200 Pieces Per Package】

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

                                                                                    Small (Fine Thread) Triple Lock【250-400 Pieces Per Package】

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

                                                                                    Nylon Nut (Class 1) (Small) (Fine) Pitch 1.25 mm

                                                                                    Titanium Locking Nut - SWUT

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

                                                                                    Whitworth Hard Locking Nut

                                                                                    Fine Hard Locking Nut

                                                                                    Stable Nut

                                                                                    Nylon Nut Unified (UNC)

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

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

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

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

                                                                                    Tough Lock【400-600 Pieces Per Package】

                                                                                    CAD
                                                                                    • 2D / 3D
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                                                                                    • 2D / 3D
                                                                                    Days to Ship Same day or more Same day or more Same day or more Same day or more Same day or more 4 Day(s) or more Same day or more Same day or more 4 Day(s) or more 4 Day(s) or more 7 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 6 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 7 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 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more
                                                                                    Nominal of Thread (M)4 ~ 163 ~ 206 ~ 122 ~ 366 ~ 1610 ~ 125 ~ 123 ~ 604 ~ 208 ~ 1816 ~ 3610 ~ 306 ~ 88 ~ 248 ~ 2710 ~ 205 ~ 304 ~ 242 ~ 30-16 ~ 365 ~ 188 ~ 108 ~ 241014 ~ 183 ~ 303 ~ 164 ~ 121010 ~ 1210 ~ 124 ~ 2010 ~ 123 ~ 106 ~ 64-8 ~ 364 ~ 16--8 ~ 1010 ~ 125 ~ 86 ~ 8
                                                                                    MaterialStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelBrass ~ TitaniumStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelBrass ~ SteelStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelSteelSteelSteelStainless Steel ~ SteelSteelSteelSteelSteelSteelStainless Steel ~ SteelStainless SteelTitaniumBrass ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteel
                                                                                    Applications, FunctionsLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock
                                                                                    Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, Coarse / Metric, FineMetric, FineMetric, CoarseMetric, CoarseMetric, FineMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseUnified, Coarse (UNC) / Unified, Fine (UNF)Metric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, FineMetric, FineMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseWhit, CoarseMetric, FineMetric, CoarseUnified, Coarse (UNC)Unified, Fine (UNF)Metric, CoarseMetric, FineMetric, CoarseMetric, Coarse
                                                                                    Surface TreatmentNot Provided / Trivalent Chromate / Bright Chrome PlatingNot Provided / Bright Chrome Plating / Zinc Plating / Painting, CoatingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Painting, CoatingNot Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating--Trivalent Chromate / Zinc Plating / ParkerizingTrivalent Chromate / ParkerizingTrivalent ChromateNot Provided / Trivalent Chromate / Zinc Plating--Trivalent Chromate / Parkerizing / Painting, CoatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingPassivatedNot Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateTrivalent Chromate / ParkerizingNot Provided / Bright Chrome Plating / Zinc PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate PlatingNot ProvidedPolishingTrivalent Chromate / Nickel Plating / ParkerizingNot Provided / Trivalent Chromate / Zinc PlatingNot Provided / Trivalent ChromateNot ProvidedBright Chrome PlatingBright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate
                                                                                    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.)-Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)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.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.) / 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.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Box, Pkg.
                                                                                    Locking DetailsU NutFriction NutFriction NutNylon NutHard Lock NutNylon NutNylon NutU NutU NutU NutHard Lock NutHard Lock NutU NutSpring NutU NutU NutHard Lock NutFriction NutNylon NutNylon NutHard Lock NutNylon NutNylon NutNylon NutFriction NutHard Lock NutFriction NutFriction NutSpring NutOther Special ShapesFriction NutOther Special ShapesFriction NutNylon NutNylon NutHard Lock NutHard Lock NutHard Lock NutFriction NutNylon NutNylon NutNylon NutNylon NutFriction NutOther Special Shapes
                                                                                    Nominal of Thread (inch)-------------------No. 2 ~ No. 12----------------1 ~ 5/8--1/2 ~ No. 101/2 ~ No. 10----
                                                                                    Surface Treatment (Details)Not Provided / Trivalent ChromateBlack Paint / Not Provided / Bright Chrome Plating / Hot Zinc PlatingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Electroless Nickel Plating / 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 PlatingOther Special Treatment / Trivalent Chromate / Hot Zinc PlatingOther Special Treatment / Trivalent ChromateTrivalent ChromateNot Provided / Trivalent Chromate / Hot Zinc PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingSeizure-Against Coating / Not Provided / Trivalent Chromate / Hot Zinc Plating / ParkerizingNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingOther Special Treatment / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingBarrel, PassivatedNot Provided / Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent ChromateOther Special Treatment / Trivalent ChromateNot Provided / Bright Chrome Plating / Hot Zinc PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate PlatingNot ProvidedSpecial Chemical GrindingNot Provided / Trivalent Chromate / Hot Zinc Plating / Nickel Plating / ParkerizingNot Provided / Trivalent Chromate / Hot Zinc PlatingNot Provided / Trivalent ChromateNot ProvidedBright Chrome PlatingBright Chrome PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingTrivalent Chromate
                                                                                    Hex Nut Type---Class 1-Class 1Class 2Class 1 ~ Class 2Class 3-----Class 1 ~ Class 2--Class 1 ~ Class 2Class 1Class 2-Class 2Class 1Class 1---Class 1 ~ Class 2----Class 1 ~ Class 2Class 1-----Class 1Class 1Class 1Class 1Class 2-

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