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Domed (Acorn) Nuts

Category page for Cap Nuts. For MISUMI, you can select from nominal, type of material and type of surface processing. A range of products are handled, from regular metric thread types through imperial thread types.
In addition to general cap nuts, there are also serrated types, disc spring types, and friction types for preventing screws from loosening.
[Cap Nuts]
Cap nuts are hexagonal nuts closed on one side, so the threaded hole does not extend the whole length. This prevents bolts from sticking out, giving a beautiful appearance and preventing issues caused by snagging on protruding bolts.
These are sometimes called "cosmetic nuts" because they improve appearance and enhance safety. However, since one end of the nut part is blocked, one must consider the length of the thread relative to the bolt length to be used.
Days to Ship
  • All
  • Same day
  • 1 Day(s) or Less
  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 12 Day(s) or Less
  • 14 Day(s) or Less
  • 16 Day(s) or Less
  • 17 Day(s) or Less
  • 18 Day(s) or Less
  • 23 Day(s) or Less
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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

    Domed (Acorn) Nuts

    • On Sale Till 31/03/2025

    Cap Nut

    • On Sale Till 31/03/2025

    Flanged Cap Nut (Serrated)

      [Clean & Pack] Domed (Acorn) Nut

        Cap Nut, Small, Fine

          Cap Nut (Left Male Screw)

            Small Acorn Nut

              Flanged Acorn Nut with no Serrations

              • On Sale Till 31/03/2025

              Cutting Brass (Low-Cadmium), Cap Nut (Shape 1, Class 1) (Cutting)

                JOY Cap Nut

                • On Sale Till 31/03/2025

                Cap Nut Whitworth

                  Acorn Nut; details

                    Acorn Nut; Other details

                      Acorn Nut; Unified (UNC)

                        Acorn Nut; Unified (UNF)

                        • On Sale Till 31/03/2025

                        Cap nut (stainless steel)

                          Cap nut (trivalent chromate)

                            U Nut with Cap (Thin)

                            Brand

                            MISUMI

                            SUNCO

                            SUNCO

                            MISUMI

                            TSUKUMO

                            TSUKUMO

                            TSUKUMO

                            TSUKUMO

                            SUNCO

                            MARUEMU WORKS

                            SUNCO

                            TSUKUMO

                            TSUKUMO

                            TSUKUMO

                            TSUKUMO

                            TRUSCO NAKAYAMA

                            TRUSCO NAKAYAMA

                            SUNCO

                            Product Series

                            Domed (Acorn) Nuts

                            Cap Nut【1-5,000 Pieces Per Package】

                            Flanged Cap Nut (Serrated)【1-2,000 Pieces Per Package】

                            [Clean & Pack] Domed (Acorn) Nut

                            Cap Nut, Small, Fine【1-500 Pieces Per Package】

                            Cap Nut (Left Male Screw)【1-2,000 Pieces Per Package】

                            Small Acorn Nut【1-700 Pieces Per Package】

                            Flanged Acorn Nut with no Serrations【1-2,000 Pieces Per Package】

                            Cutting Brass (Low-Cadmium), Cap Nut (Shape 1, Class 1) (Cutting)【1-500 Pieces Per Package】

                            JOY Cap Nut【1-1,000 Pieces Per Package】

                            Cap Nut Whitworth【1-2,000 Pieces Per Package】

                            Acorn Nut; details【1-300 Pieces Per Package】

                            Acorn Nut; Other details【1-300 Pieces Per Package】

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

                            Acorn Nut; Unified (UNF)【1-2,000 Pieces Per Package】

                            Cap nut (stainless steel)【6-40 Pieces Per Package】

                            Cap nut (trivalent chromate)【5-37 Pieces Per Package】

                            U Nut with Cap (Thin)

                            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
                            Days to Ship Same day or more Same day or more Same day or more 12 Day(s) or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more Same day or more 18 Day(s) or more Same day or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more Same day or more 8 Day(s) or more 8 Day(s) or more
                            Nominal of Thread (M)4 ~ 103 ~ 484 ~ 83 ~ 2010 ~ 205 ~ 208 ~ 124 ~ 83 ~ 125 ~ 12-8 ~ 2210 ~ 12--3 ~ 123 ~ 1210
                            MaterialStainless SteelBrass ~ TitaniumStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelBrassPlastic ~ Stainless SteelBrass ~ SteelStainless Steel ~ SteelSteelStainless SteelStainless SteelStainless SteelStainless SteelSteel
                            Surface TreatmentNot ProvidedTrivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / Parkerizing / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Painting, Coating / Silver/Copper/Tin Plating-Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Painting, Coating / Silver/Copper/Tin PlatingNickel PlatingNot ProvidedTrivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Silver/Copper/Tin PlatingNot Provided / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Painting, Coating / Silver/Copper/Tin PlatingNot ProvidedTrivalent ChromateTrivalent Chromate
                            Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, FineMetric, Coarse (Left)Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseWhit, CoarseMetric, FineMetric, FineUnified, Coarse (UNC)Unified, Coarse (UNC)Metric, Coarse / Whit, CoarseMetric, CoarseMetric, Fine
                            Applications, FunctionsStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard
                            Sales UnitLow 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.) ~ 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.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.)
                            Nominal of Thread (inch)----------1 ~ 7/8--1/2 ~ No. 101/2 ~ No. 103/8--
                            Surface Treatment (Details)Not ProvidedBlack Paint ~ Trivalent ChromateBlack Paint ~ Trivalent Chromate-Black Paint ~ Trivalent ChromateBlack Paint ~ Trivalent ChromateBlack Paint ~ Trivalent ChromateBlack Paint ~ Trivalent ChromateNickel PlatingNot ProvidedBlack Paint ~ Trivalent ChromateBlack Paint ~ Trivalent ChromateBright Chrome Plating ~ Trivalent ChromateBlack Paint ~ Not ProvidedBlack Paint ~ Not ProvidedNot ProvidedTrivalent ChromateTrivalent Chromate
                            Hex Nut Type-Class 2---------------Class 2
                            Locking Details------------------

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