(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.

  • Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 9/2/2025 to 7:00 (MYT) 10/2/2025. We apologize for the inconvenience.
  • Please note that E-Invoice will be sent to our customers by email. For more information, please read News. 

Lock Nuts(Nominal of Thread (inch):5/16)

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
  1. 1
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

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

      Nylon Lock Nut (Unified UNC)

        U-Nut Unified (UNC)

          U Nut, Unified (UNF)

            Nylon Lock Nut Unified (UNC)

              Nylon Lock Nut (Unified UNF)

                Nut, Whitworth

                Brand

                SUNCO

                LOCKFASTENER

                FUJI SEIMITSU

                FUJI SEIMITSU

                SUNCO

                LOCKFASTENER

                FUJI SEIMITSU

                Product Series

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

                Nylon Lock Nut (Unified UNC)

                U-Nut Unified (UNC)【1,200 Pieces Per Package】

                U Nut, Unified (UNF)

                Nylon Lock Nut Unified (UNC)

                Nylon Lock Nut (Unified UNF)

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

                CAD
                • 2D / 3D
                • 2D / 3D
                Days to Ship 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)-------
                MaterialStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ Steel
                Applications, FunctionsLockLockLockLockLockLockLock
                Thread TypeUnified, Fine (UNF)Unified, Coarse (UNC)Unified, Coarse (UNC)Unified, Fine (UNF)Unified, Coarse (UNC)Unified, Fine (UNF)Whit, Coarse
                Surface TreatmentBright Chrome PlatingNot Provided / Bright Chrome Plating--Bright Chrome PlatingNot Provided / Bright Chrome PlatingNot Provided
                Sales UnitLow 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.
                Locking DetailsNylon NutNylon NutU NutU NutNylon NutNylon NutU Nut
                Nominal of Thread (inch)5/165/165/165/165/165/165/16
                Surface Treatment (Details)Bright Chrome PlatingNot Provided / Bright Chrome PlatingNot Provided / Bright Chrome PlatingNot Provided / Chromate PlatingBright Chrome PlatingNot Provided / Bright Chrome PlatingNot Provided / Bright Chrome Plating / Hot Zinc Plating
                Hex Nut TypeClass 1---Class 1-Class 1

                Loading...

                1. 1

                Related Categories to Lock Nuts