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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
  • 3 Day(s) or Less
  • 4 Day(s) or Less
  • 5 Day(s) or Less
  • 6 Day(s) or Less
  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 10 Day(s) or Less
  • 14 Day(s) or Less
  • 16 Day(s) or Less
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

      Cap Nut

        Hex Weld Acorn Nut (Welded Nut) with Pilot

          Cap Nut (Former JIS)

            Small Acorn Nut

              Eye Cap Nut

                Acorn Nut, 1 shape 1 type, Cutting Brass Low Cadmium (ECO-BS)

                  Self-locking Nut with Cap

                    E-LOCK (Flange Nut Type with Cap)

                      Stainless Steel Cap Nut

                        Cap Nut, Iron / Stainless Steel

                          Cap Nut (Left Male Screw)

                            Cap Nut, Small, Fine

                              Flanged Acorn Nut with Serrations

                                Flanged Acorn Nut with no Serrations

                                  Terminal Acorn Nut

                                    Stable cap nut

                                      Stable cap nut

                                        Pure Titanium Class 1 Cap Nut

                                          Acorn Nut, Weight

                                            Acorn Nut; details

                                              Acorn Nut; Other details

                                                Acorn Nut; Unified (UNC)

                                                  Acorn Nut; Unified (UNF)

                                                    Insert Cap Nut

                                                      U Nut with Cap

                                                        U Nut with Cap, Fine

                                                          Plastic cap nut

                                                            Cap nut (stainless steel)

                                                              Cap nut (trivalent chromate)

                                                                U Nut With Cap (Thin)

                                                                  Insertion Bag Nut

                                                                    Stable Cap Nut

                                                                      Cap Nut (Import)

                                                                        Cap Nut Left Thread

                                                                          Self-Locking Nut with Cap

                                                                            Cap Nut (Imported Item) (Whitworth)

                                                                              Cap Nut (2 Type Class 2) (Imported Item)

                                                                                Wedge Nut with Cap

                                                                                  [Trivalent Chromate] Box Nut EA949LV-3

                                                                                    [Trivalent Chromate] Box Nut EA949LV-4

                                                                                      [Trivalent Chromate] Box Nut EA949LV-5

                                                                                        [Trivalent Chromate] Box Nut EA949LV-6

                                                                                          [Trivalent Chromate] Box Nut EA949LV-8

                                                                                            Box Nut Set [Stainless Steel] EA949SG

                                                                                            Brand

                                                                                            MISUMI

                                                                                            SUNCO

                                                                                            TSUKUMO

                                                                                            TSUKUMO

                                                                                            TSUKUMO

                                                                                            SAKAMURA

                                                                                            SUNCO

                                                                                            KST

                                                                                            SUNCO

                                                                                            OSUNG

                                                                                            KONOE

                                                                                            TSUKUMO

                                                                                            TSUKUMO

                                                                                            SUNCO

                                                                                            TSUKUMO

                                                                                            SUNCO

                                                                                            SOHWA SEISAKUSHO

                                                                                            SOHWA SEISAKUSHO

                                                                                            MARUEMU WORKS

                                                                                            SUNCO

                                                                                            TSUKUMO

                                                                                            TSUKUMO

                                                                                            TSUKUMO

                                                                                            TSUKUMO

                                                                                            TSUKUMO

                                                                                            FUJI SEIMITSU

                                                                                            FUJI SEIMITSU

                                                                                            YAHATA

                                                                                            TRUSCO NAKAYAMA

                                                                                            TRUSCO NAKAYAMA

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            Product Series

                                                                                            Domed (Acorn) Nuts

                                                                                            Cap Nut【1-20 Pieces Per Package】

                                                                                            Hex Weld Acorn Nut (Welded Nut) with Pilot【200-1,000 Pieces Per Package】

                                                                                            Cap Nut (Former JIS)【2,000 Pieces Per Package】

                                                                                            Small Acorn Nut【1-700 Pieces Per Package】

                                                                                            Eye Cap Nut【300 Pieces Per Package】

                                                                                            Acorn Nut, 1 shape 1 type, Cutting Brass Low Cadmium (ECO-BS)【1-500 Pieces Per Package】

                                                                                            Self-locking Nut with Cap【1-1,500 Pieces Per Package】

                                                                                            E-LOCK (Flange Nut Type with Cap)【1-800 Pieces Per Package】

                                                                                            Stainless Steel Cap Nut【5-20 Pieces Per Package】

                                                                                            Cap Nut, Iron / Stainless Steel【2-90 Pieces Per Package】

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

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

                                                                                            Flanged Acorn Nut with Serrations【1-2,000 Pieces Per Package】

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

                                                                                            Terminal Acorn Nut【200-500 Pieces Per Package】

                                                                                            Stable cap nut【1-1,000 Pieces Per Package】

                                                                                            Stable cap nut【1-1,000 Pieces Per Package】

                                                                                            Pure Titanium Class 1 Cap Nut【200-500 Pieces Per Package】

                                                                                            Acorn Nut, Weight【1,000 Pieces Per Package】

                                                                                            Acorn Nut; details【1-600 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】

                                                                                            Insert Cap Nut【350-1,500 Pieces Per Package】

                                                                                            U Nut with Cap【1-3,000 Pieces Per Package】

                                                                                            U Nut with Cap, Fine【1-400 Pieces Per Package】

                                                                                            Plastic cap nut【2-4 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)

                                                                                            Insertion Bag Nut

                                                                                            Stable Cap Nut【100 Pieces Per Package】

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

                                                                                            Cap Nut Left Thread

                                                                                            Self-Locking Nut with Cap

                                                                                            Cap Nut (Imported Item) (Whitworth)【1-300 Pieces Per Package】

                                                                                            Cap Nut (2 Type Class 2) (Imported Item)

                                                                                            Wedge Nut with Cap

                                                                                            [Trivalent Chromate] Box Nut EA949LV-3【9 Pieces Per Package】

                                                                                            [Trivalent Chromate] Box Nut EA949LV-4【9 Pieces Per Package】

                                                                                            [Trivalent Chromate] Box Nut EA949LV-5【8 Pieces Per Package】

                                                                                            [Trivalent Chromate] Box Nut EA949LV-6【7 Pieces Per Package】

                                                                                            [Trivalent Chromate] Box Nut EA949LV-8【4 Pieces Per Package】

                                                                                            Box Nut Set [Stainless Steel] EA949SG

                                                                                            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
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            Days to Ship Same day or more Same day or more 3 Day(s) or more 10 Day(s) or more 3 Day(s) or more 5 Day(s) or more 3 Day(s) or more 4 Day(s) or more 4 Day(s) or more 8 Day(s) or more 9 Day(s) or more 4 Day(s) or more 3 Day(s) or more Same day or more 3 Day(s) or more 4 Day(s) or more 3 Day(s) or more 3 Day(s) or more 5 Day(s) or more 9 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 4 Day(s) or more 3 Day(s) or more 4 Day(s) or more 4 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 4 Day(s) or more 14 Day(s) or more 4 Day(s) or more 4 Day(s) or more 3 Day(s) or more 4 Day(s) or more 4 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more
                                                                                            Nominal of Thread (M)3 ~ 243 ~ 364 ~ 1248 ~ 1283 ~ 125 ~ 204 ~ 123 ~ 163 ~ 205 ~ 2010 ~ 204 ~ 84 ~ 86 ~ 84 ~ 204 ~ 206 ~ 12-8 ~ 2210 ~ 12--5 ~ 105 ~ 24104 ~ 83 ~ 123 ~ 12105124 ~ 20245-6 ~ 204 ~ 12------
                                                                                            MaterialStainless SteelStainless SteelSteelSteelStainless Steel ~ SteelSteelBrassStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelTitaniumSteelStainless Steel ~ SteelSteelStainless SteelStainless SteelSteelStainless Steel ~ SteelSteelPlasticStainless SteelStainless SteelSteelSteelSteelStainless Steel ~ SteelStainless SteelStainless SteelStainless Steel ~ SteelStainless SteelStainless Steel------
                                                                                            Surface TreatmentNot Provided-Not ProvidedNot Provided / Bright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Painting, Coating / Silver/Copper/Tin PlatingTrivalent ChromateNickel PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Painting, Coating / Silver/Copper/Tin PlatingTrivalent Chromate-Trivalent Chromate / Chrome 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 PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Painting, Coating / Silver/Copper/Tin PlatingTrivalent ChromateNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided-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 / Chrome Plating / Silver/Copper/Tin PlatingNot Provided / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Painting, Coating / Silver/Copper/Tin PlatingBright Chrome Plating---Not ProvidedTrivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent ChromateBright Chrome Plating / Painting, Coating / Silver/Copper/Tin Plating--Bright Chrome Plating / Painting, Coating / Silver/Copper/Tin Plating--------
                                                                                            Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse--Metric, Coarse (Left)Metric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseWhit, CoarseMetric, FineMetric, FineUnified, Coarse (UNC)Unified, Coarse (UNC)Metric, CoarseMetric, CoarseMetric, Coarse-Metric, Coarse / Whit, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse (Left)Metric, CoarseWhit, CoarseMetric, CoarseMetric, Coarse------
                                                                                            Applications, FunctionsStandardStandardFor WeldingStandardStandardStandardStandardLockLock--StandardStandardStandardStandardStandardLockLockStandardStandardStandardStandardStandardStandard-LockLock-StandardStandardStandardStandardStandardStandardStandardLockStandardStandardLock------
                                                                                            Sales UnitLow Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) ~ Box, Pkg.Box, Pkg.Box, Pkg.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.) ~ Box, Pkg.Low Quantity (Available beginning with 1 pc.) ~ Box, Pkg.Box, Pkg.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.) ~ 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.) ~ 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.) ~ Box, Pkg.Low Quantity (Available beginning with 1 pc.) ~ Box, Pkg.-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.)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.)------
                                                                                            Nominal of Thread (inch)-------------------1/4--1/2 ~ No. 101/2 ~ No. 10----3/8-------1/2 ~ 3/8--------
                                                                                            Surface Treatment (Details)Not Provided-Not ProvidedNot Provided / Bright Chrome PlatingCopper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingTrivalent ChromateNickel PlatingCopper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel PlatingTrivalent Chromate--Copper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel PlatingCopper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingCopper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingCopper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingTrivalent ChromateNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided-Copper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingCopper Plating / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingCopper Plating / Black Paint / Not ProvidedCopper Plating / Black Paint / Not ProvidedBright Chrome PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot ProvidedNot ProvidedTrivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent ChromateCopper Plating / Black Paint / Seizure-Against Coating / Bright Chrome Plating--Copper Plating / Black Paint / Seizure-Against Coating / Bright Chrome Plating--------
                                                                                            Hex Nut Type-Class 2-----------------Class 2----------Class 2--Class 2Class 2-Class 2Class 2-------
                                                                                            Locking Details-------Friction NutFriction Nut-------Friction NutFriction Nut-------U NutU Nut--------Friction Nut--Wedge nut------

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                                                                                            Related Categories to Domed (Acorn) Nuts