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
  • 1 Day(s) or Less
  • 2 Day(s) or Less
  • 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
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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 31/07/2018

    E-LOCK (Hex Nut Type with Cap)

    • On Sale Till 31/07/2018

    Terminal Acorn Nut

    • On Sale Till 31/07/2018

    Self-locking Nut with Cap

    • On Sale Till 31/07/2018

    Plastic cap nut

    • On Sale Till 31/07/2018

    Wedge Nut with Cap

    • On Sale Till 31/07/2018

    E-LOCK (Flange Nut Type with Cap)

    • On Sale Till 31/07/2018

    Cap Nut

    • On Sale Till 31/07/2018

    Cap Nut (Former JIS)

    • On Sale Till 31/07/2018

    Cap Nut (Left Male Screw)

    • On Sale Till 31/07/2018

    Small Acorn Nut

    • On Sale Till 31/07/2018

    Cap Nut, Small, Fine

    • On Sale Till 31/07/2018

    Flanged Acorn Nut with Serrations

    • On Sale Till 31/07/2018

    Flanged Acorn Nut with no Serrations

    • On Sale Till 31/07/2018

    Eye Cap Nut

    • On Sale Till 31/07/2018

    Hex Weld Acorn Nut (Welded Nut) with Pilot

    • On Sale Till 31/07/2018

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

    • On Sale Till 31/07/2018

    Stable cap nut

    • On Sale Till 31/07/2018

    Stable cap nut

    • On Sale Till 31/07/2018

    Pure Titanium Class 1 Cap Nut

    • On Sale Till 31/07/2018

    Acorn Nut, Weight

    • On Sale Till 31/07/2018

    Acorn Nut; details

    • On Sale Till 31/07/2018

    Acorn Nut; Other details

    • On Sale Till 31/07/2018

    Acorn Nut; Unified (UNC)

    • On Sale Till 31/07/2018

    Acorn Nut; Unified (UNF)

    • On Sale Till 31/07/2018

    Insert Cap Nut

    • On Sale Till 31/07/2018

    U Nut with Cap

    • On Sale Till 31/07/2018

    U Nut with Cap, Fine

    • On Sale Till 31/07/2018

    Cap nut (stainless steel)

    • On Sale Till 31/07/2018

    Cap nut (trivalent chromate)

    • On Sale Till 31/07/2018

    U Nut With Cap (Thin)

    • On Sale Till 31/07/2018

    Insertion Bag Nut

    • On Sale Till 31/07/2018

    Cap Nut (Import)

    • On Sale Till 31/07/2018

    Cap Nut Left Thread

    • On Sale Till 31/07/2018

    Self-Locking Nut with Cap

    • On Sale Till 31/07/2018

    Cap Nut (Imported Item) (Whitworth)

    • On Sale Till 31/07/2018

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

    • On Sale Till 31/07/2018

    [Trivalent Chromate] Box Nut EA949LV-3

    • On Sale Till 31/07/2018

    [Trivalent Chromate] Box Nut EA949LV-4

    • On Sale Till 31/07/2018

    [Trivalent Chromate] Box Nut EA949LV-5

    • On Sale Till 31/07/2018

    [Trivalent Chromate] Box Nut EA949LV-6

    • On Sale Till 31/07/2018

    [Trivalent Chromate] Box Nut EA949LV-8

    • On Sale Till 31/07/2018

    Box Nut Set [Stainless Steel] EA949SG

    • On Sale Till 31/07/2018

    Box Nut Set EA949SH

    • On Sale Till 31/07/2018

    U Nut With Cap

    Brand

    MISUMI

    SUNCO

    SUNCO

    KST

    YAHATA

    SUNCO

    SUNCO

    SUNCO

    TSUKUMO

    TSUKUMO

    TSUKUMO

    TSUKUMO

    SUNCO

    TSUKUMO

    SAKAMURA

    TSUKUMO

    SUNCO

    SOHWA SEISAKUSHO

    SOHWA SEISAKUSHO

    MARUEMU WORKS

    SUNCO

    TSUKUMO

    TSUKUMO

    TSUKUMO

    TSUKUMO

    TSUKUMO

    FUJI SEIMITSU

    FUJI SEIMITSU

    TRUSCO NAKAYAMA

    TRUSCO NAKAYAMA

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    ESCO

    ESCO

    ESCO

    ESCO

    ESCO

    ESCO

    ESCO

    SUNCO

    Product Series

    Domed (Acorn) Nuts

    E-LOCK (Hex Nut Type with Cap)【45-1,000 Pieces Per Package】

    Terminal Acorn Nut【200-500 Pieces Per Package】

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

    Plastic cap nut【2-4 Pieces Per Package】

    Wedge Nut with Cap

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

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

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

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

    Small Acorn Nut【1-700 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】

    Eye Cap Nut【300 Pieces Per Package】

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

    Acorn Nut, 1 shape 1 type, Cutting Brass Low Cadmium (ECO-BS)【1-500 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【1-2,000 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】

    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

    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)

    [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

    Box Nut Set EA949SH

    U Nut With Cap【1-300 Pieces Per Package】

    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
    • 2D / 3D
    Days to Ship 1 Day(s) or more 14 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 4 Day(s) or more 4 Day(s) or more 1 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 5 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 1 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 3 Day(s) or more 3 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)3 ~ 244 ~ 206 ~ 85 ~ 204 ~ 84 ~ 124 ~ 123 ~ 4845 ~ 208 ~ 1210 ~ 204 ~ 84 ~ 884 ~ 123 ~ 124 ~ 204 ~ 206 ~ 12-8 ~ 2210 ~ 12--5 ~ 105 ~ 24103 ~ 123 ~ 121054 ~ 20245-6 ~ 20-------12
    MaterialStainless SteelStainless Steel ~ SteelSteelStainless Steel ~ SteelPlasticStainless SteelStainless Steel ~ SteelBrass ~ TitaniumSteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelStainless Steel ~ SteelSteelSteelBrassStainless Steel ~ SteelStainless Steel ~ SteelTitaniumBrass ~ SteelStainless Steel ~ SteelSteelStainless SteelStainless SteelSteelStainless Steel ~ SteelSteelStainless SteelStainless SteelSteelSteelStainless Steel ~ SteelStainless SteelStainless SteelStainless Steel ~ SteelStainless Steel-------Steel
    Surface TreatmentNot ProvidedTrivalent ChromateTrivalent ChromateNot Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Painting, Coating / Silver/Copper/Tin Plating--Trivalent ChromateTrivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / Parkerizing / Painting, Coating / Silver/Copper/Tin PlatingNot Provided / Bright 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 PlatingNot Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Painting, Coating / Silver/Copper/Tin PlatingTrivalent ChromateNot ProvidedNickel PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Bright Chrome Plating / Chromate 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 PlatingBright Chrome Plating--Not ProvidedTrivalent ChromateTrivalent ChromateTrivalent ChromateBright Chrome Plating / Painting, Coating / Silver/Copper/Tin Plating--Bright Chrome Plating / Painting, Coating / Silver/Copper/Tin Plating--------Trivalent Chromate / Bright Chrome Plating / Chromate Plating
    Thread TypeMetric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse-Metric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse (Left)Metric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseMetric, CoarseWhit, CoarseMetric, FineMetric, FineUnified, Coarse (UNC)Unified, Coarse (UNC)Metric, CoarseMetric, CoarseMetric, CoarseMetric, Coarse / Whit, CoarseMetric, CoarseMetric, FineMetric, CoarseMetric, CoarseMetric, Coarse (Left)Metric, CoarseWhit, CoarseMetric, Coarse--------
    Applications, FunctionsStandardLockStandardLock-LockLockStandardStandardStandardStandardStandardStandardStandardStandardFor WeldingStandardLockLockStandardStandardStandardStandardStandardStandard-LockLockStandardStandardStandardStandardStandardStandardLockStandardStandard-------Lock
    Sales UnitLow 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.)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.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.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.) ~ 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.) ~ Box, Pkg.
    Nominal of Thread (inch)--------------------1 ~ 7/8--1/2 ~ No. 101/2 ~ No. 10---3/8------1/2 ~ 3/8---------
    Surface Treatment (Details)Not ProvidedTrivalent ChromateTrivalent ChromateCopper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel PlatingNot Provided-Trivalent ChromateCopper Plating / Black Paint / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / ParkerizingNot Provided / Bright Chrome PlatingCopper 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 PlatingCopper Plating / Black Paint / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome PlatingTrivalent ChromateNot ProvidedNickel PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot Provided / Bright Chrome Plating / Chromate PlatingNot ProvidedCopper Plating / Black Paint / 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 / 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 ProvidedTrivalent ChromateTrivalent ChromateTrivalent ChromateCopper Plating / Black Paint / Seizure-Against Coating / Bright Chrome Plating--Copper Plating / Black Paint / Seizure-Against Coating / Bright Chrome Plating--------Trivalent Chromate / Bright Chrome Plating / Chromate Plating
    Hex Nut Type-------Class 2------------Class 2---------Class 2-Class 2Class 2-Class 2Class 2--------
    Locking Details-Friction Nut-Friction Nut-Wedge nutFriction Nut----------Friction NutFriction Nut-------U NutU Nut------Friction Nut---------Friction Nut

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