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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
  • 4 Day(s) or Less
  • 5 Day(s) or Less
  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • 13 Day(s) or Less
  • 16 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
  • On Sale Till 31/03/2025

Domed (Acorn) Nuts

    Stable Cap Nut Metric Coarse

      Cap nut (stainless steel)

        Small Acorn Nut

          Cap Nut, Small, Fine

            Flanged Cap Nut (Serrated)

              Flanged Acorn Nut with no Serrations

                Acorn Nut; details

                  Acorn Nut; Unified (UNC)

                    Cap Nut (Former JIS)

                      Cap Nut (Left Male Screw)

                        Hex Weld Acorn Nut (Welded Nut) with Pilot

                          Iron / Stainless Steel Stable Cap Nut

                            Acorn Nut; Other details

                              Acorn Nut; Unified (UNF)

                                U Nut with Cap

                                  Wedge Nut with CAP

                                  Brand

                                  MISUMI

                                  SOHWA SEISAKUSHO

                                  TRUSCO NAKAYAMA

                                  TSUKUMO

                                  TSUKUMO

                                  SUNCO

                                  TSUKUMO

                                  TSUKUMO

                                  TSUKUMO

                                  TSUKUMO

                                  TSUKUMO

                                  TSUKUMO

                                  SOHWA SEISAKUSHO

                                  TSUKUMO

                                  TSUKUMO

                                  FUJI SEIMITSU

                                  SUNCO

                                  Product Series

                                  Domed (Acorn) Nuts

                                  Stable Cap Nut Metric Coarse【1-200 Pieces Per Package】

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

                                  Small Acorn Nut【1-700 Pieces Per Package】

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

                                  Flanged Cap Nut (Serrated)【500-2,000 Pieces Per Package】

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

                                  Acorn Nut; details【1-100 Pieces Per Package】

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

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

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

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

                                  Iron / Stainless Steel Stable Cap Nut【1-200 Pieces Per Package】

                                  Acorn Nut; Other details【200-300 Pieces Per Package】

                                  Acorn Nut; Unified (UNF)

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

                                  Wedge Nut with CAP

                                  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 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 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)3 ~ 244 ~ 103 ~ 128 ~ 1210 ~ 204 ~ 84 ~ 810 ~ 20-45 ~ 204 ~ 124 ~ 1010 ~ 12-5 ~ 244 ~ 12
                                  MaterialStainless SteelStainless SteelStainless SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless SteelSteelStainless Steel ~ SteelSteelStainless SteelSteelStainless SteelStainless Steel ~ SteelStainless Steel
                                  Surface TreatmentNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided-Not Provided
                                  Thread TypeMetric, CoarseMetric, CoarseMetric, Coarse / Whit, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, FineUnified, Coarse (UNC)Metric, CoarseMetric, Coarse (Left)Metric, CoarseMetric, CoarseMetric, FineUnified, Coarse (UNC)Metric, CoarseMetric, Coarse
                                  Applications, FunctionsStandardLockStandardStandardStandardStandardStandardStandardStandardStandardStandardFor WeldingLockStandardStandardLockLock
                                  Sales UnitLow 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.) ~ 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.Low Quantity (Available beginning with 1 pc.) ~ Box, Pkg.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.)
                                  Nominal of Thread (inch)--3/8-----1/2 ~ No. 10-----1/2 ~ No. 10--
                                  Surface Treatment (Details)Not ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided
                                  Hex Nut Type-----------------
                                  Locking Details-Friction Nut----------Friction Nut--U NutWedge nut

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