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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.
...Readmore

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.  ▲ Close

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  • 16 Day(s) or Less
  1. 1
  • Domed (Acorn) Nuts

    Domed (Acorn) Nuts

    MISUMI

    Sizes are M3 to M24. Shipment from 1 pc. is available as needed.

    • Volume Discount
    CAD :
    2D / 3D
    Standard Price: SGD 0.48-
    Days to Ship: Same day or more
  • Stable Cap Nut Metric Coarse

    Stable Cap Nut Metric Coarse

    SOHWA SEISAKUSHO

    [Materials] SWCH equivalent, SUS304 equivalent.[Surface treatment] None, bright chromate plating chromate plating.

    CAD :
    2D / 3D
    Standard Price: SGD 1.83-
    Days to Ship: 4 Day(s) or more
  • Cap Nut

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

    SUNCO

    [Material] Steel S45C SWCH equivalent stainless steel SUS304 equivalent SUS316 SUS316L Titanium brass[Surface treatment] None trivalent chromate bright chromate plating zinc plating chrome plating nickel plating chrome plating parker coating silver, copper, tin plated

    • Volume Discount
    CAD :
    2D / 3D
    Standard Price: SGD 0.13-
    Days to Ship: Same day or more
  • Wedge Nut with CAP

    Wedge Nut with CAP

    SUNCO

    [Material] Equivalent to SUS304[Surface Processing] None[Nominal of Thread (M)] 4/5/6/8/10/12[Application/Function] Loosening prevention[Thread Ridge Type] Metric Coarse[Loosening Prevention Details] Wedge Nut

    Standard Price: SGD 0.82-
    Days to Ship: 4 Day(s) or more
  • Flanged Cap Nut (Serrated)

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

    SUNCO

    A cap nut with flange that eliminates the hassle required to assemble the washer. Serrate (key for preventing loosening) included on the rear side of the flange.

    CAD :
    2D / 3D
    Standard Price: SGD 0.26-
    Days to Ship: 4 Day(s) or more
  • [Clean & Pack] Domed (Acorn) Nut

    [Clean & Pack] Domed (Acorn) Nut

    MISUMI

    Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
    This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.
    ■Part Number for Clean & Pack Products
    ·Degreasing (Anti-rust single packing)    : Part Number SL-□□
    ·Precision cleaning (Degassing double packing)    : Part Number SH-□□
    ·Electrolytic polishing + precision cleaning (Degassing double packing): Part Number SHD-□□
    Product Part NumberCleaning MethodPackaging TypeEffects Compared to Uncleaned ProductEnvironment (Standard)Process
    SL-□□DegreasingAnti-rust packingOil removalGeneral environmentRegular assembly process
    Post battery assembly process
    SH-□□Precision cleaningDegassing double packingOil removal
    Dust removal
    Clean environment (Class 10 to 1,000)Battery assembly process
    LCD-related post assembly process
    In-vehicle camera assembly process
    SHD-□□Electrolytic polishing + precision cleaningDegassing double packingOil removal
    Dust removal
    Outgas reduction
    Vacuum environment
    Clean environment (Class 10 to 1,000)
    Pre-semiconductor process
    Liquid crystal deposition process
    Pre-OLED process
    ■Notes
    Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
    Please be careful about the application location and storage environment.

    • Volume Discount
    Standard Price: SGD 3.05-
    Days to Ship: 6 Day(s) or more
  • Cap Nut, Small, Fine

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

    TSUKUMO

    [Material] SWCH equivalent SUS304 equivalent[Surface treatment] None trivalent chromate bright chromate plating chrome plating nickel plating chrome plating coating

    CAD :
    2D / 3D
    Standard Price: SGD 0.41-
    Days to Ship: 4 Day(s) or more
  • Flanged Acorn Nut with no Serrations

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

    TSUKUMO

    A cap nut with flange that eliminates the hassle required to assemble the washer. Does not come with serrate to prevent loosening.

    CAD :
    2D / 3D
    Standard Price: SGD 0.26-
    Days to Ship: 4 Day(s) or more
  • Hex Weld Acorn Nut (Welded Nut) with Pilot

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

    TSUKUMO

    Cap nut for welding. Includes a positioning guide (pilot) in the center.

    CAD :
    2D / 3D
    Standard Price: SGD 175.81-
    Days to Ship: 4 Day(s) or more
  • Cap Nut Left Thread

    Cap Nut Left Thread

    SUNCO

    [Material] Stainless Steel[Surface Processing] None[Nominal of Thread (M)] 24[Application/Function] Standard[Thread Ridge Type] Metric Coarse

    Standard Price: SGD 70.94
    Days to Ship: 7 Day(s) or more
  • Small Acorn Nut

    Small Acorn Nut【1-700 Pieces Per Package】

    TSUKUMO

    A cap nut that has a smaller dihedral width (spanner size) than the standard width.

    CAD :
    2D / 3D
    Standard Price: SGD 1.06-
    Days to Ship: 4 Day(s) or more
  • Eye Cap Nut

    Eye Cap Nut【300 Pieces Per Package】

    SAKAMURA

    [Nominal designation of screw thread (M)] 8[Material] SWCH equivalent[Surface treatment] Trivalent chromate screw thread[Type] Metric coarse application / function standard[Sales unit] Boxes/pack[Surface treatment] (details) trivalent white[Pitch] 1.25

    CAD :
    2D / 3D
    Standard Price: SGD 79.11
    Days to Ship: 4 Day(s) or more
  • Terminal Cap Nut

    Terminal Cap Nut【200-500 Pieces Per Package】

    SUNCO

    A cap nut with a disc spring attachment that eliminates the hassle of assembling the disc spring washer (spring washer).

    CAD :
    2D / 3D
    Standard Price: SGD 203.58-
    Days to Ship: 4 Day(s) or more
  • Acorn Nut; Other details

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

    TSUKUMO

    A product that focuses on the outer appearance by preventing the screw tip from showing.

    CAD :
    2D / 3D
    Standard Price: SGD 0.98-
    Days to Ship: 4 Day(s) or more
  • [Trivalent Chromate] Box Nut EA949LV-4

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

    ESCO

    【Product Specifications】・Material-Iron (trivalent chromium plating)・Dim.…M4・Qty. per unit…9

    Standard Price: SGD 7.34
    Days to Ship: 7 Day(s) or more
  • E-LOCK (Hex Nut Type with Cap)

    E-LOCK (Hex Nut Type with Cap)【250-1,000 Pieces Per Package】

    SUNCO

    [Material] Steel/SUS304 equivalent[Surface Processing] None / Trivalent White[Nominal of Thread (M)] 4/5/6/8/10/12/16/20[Application/Function] Loosening prevention[Thread Ridge Type] Metric Coarse[Sales Unit] Box/Package[Loosening Prevention Details] Friction Nut

    Standard Price: SGD 211.40-
    Days to Ship: 7 Day(s) or more
  • E-LOCK (Flange Nut Type with Cap)

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

    SUNCO

    [Material] Steel/SUS304 equivalent[Surface Processing] None / Trivalent White[Nominal of Thread (M)] 4/5/6/8/10/12[Application/Function] Loosening prevention[Thread Ridge Type] Metric Coarse[Sales Unit] Box/Package, Individual (can be purchased from one piece)[Loosening Prevention Details] Friction Nut

    Standard Price: SGD 4.69-
    Days to Ship: 7 Day(s) or more
  • U Nut With Cap

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

    SUNCO

    [Material] Steel[Surface Processing] None / Bright Chromate Plating / Trivalent White / Chromate Plating[Nominal of Thread (M)] 12[Application/Function] Loosening prevention[Sales Unit] Individual (can be purchased from one piece) / Box / Package[Loosening Prevention Details] Friction Nut[Pitch] 1.5

    Standard Price: SGD 3.75-
    Days to Ship: 7 Day(s) or more
  • TRUSCO, Panel Fix bar, Bolt

    TRUSCO, Panel Fix bar, Bolt【4 Pieces Per Package】

    TRUSCO NAKAYAMA

    [Features]・ This is a dedicated tool mainly for inserting sprues for coarse threads of M6 or above.・ It is a simple set and is a favorite tool for experts.・ It rotates the handle clockwise to insert it into the screw hole.[Applications]・ To Insert sprue insert.

    Standard Price: SGD 5.81
    Days to Ship: 7 Day(s) or more
  • TRUSCO, Panel Fix Flat Round, Chrome Plating

    TRUSCO, Panel Fix Flat Round, Chrome Plating

    TRUSCO NAKAYAMA

    [Features]・ Welding nut.・ There is no positioning guide (pilot).[Applications]・ For thin plates where the power strip (female thread) cannot be cut.

    Standard Price: SGD 3.02
    Days to Ship: 10 Day(s) or more
  • TRUSCO, Panel Fix Flat Round, Stainless steel

    TRUSCO, Panel Fix Flat Round, Stainless steel

    TRUSCO NAKAYAMA

    [Features]・ Welding nut.・ It comes with a positioning guide (pilot).[Applications]・ For thin plates where the power strip (female thread) cannot be cut.

    Standard Price: SGD 5.64-
    Days to Ship: 7 Day(s) or more
  • Cap Nut (Former JIS)

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

    TSUKUMO

    [Nominal designation of screw thread (M)] 4[Material] SWCH equivalent screw thread[Type] Metric coarse application / function standard[Sales unit] Boxes/pack[Surface treatment] None bright chromate plating[Surface treatment] (details) none bright chromate plating

    CAD :
    2D / 3D
    Standard Price: SGD 146.51-
    Days to Ship: 4 Day(s) or more
  • Cap Nut (Left Male Screw)

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

    TSUKUMO

    [Material] SWCH equivalent SUS304 equivalent[Surface treatment] None trivalent chromate bright chromate plating chromate plating nickel plating coating silver, copper, tin plating

    CAD :
    2D / 3D
    Standard Price: SGD 0.46-
    Days to Ship: 4 Day(s) or more
  • Cutting Brass (Low-Cadmium), Cap Nut (Shape 1, Class 1) (Cutting)

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

    SUNCO

    A cap nut (the cap part has been formed using cutting not welding) with one size (cosmetic nut, cap nut). There is one type of hex nut par.

    CAD :
    2D / 3D
    Standard Price: SGD 0.43-
    Days to Ship: 4 Day(s) or more
  • Iron / Stainless Steel Stable Cap Nut

    Iron / Stainless Steel Stable Cap Nut【1-1,000 Pieces Per Package】

    SOHWA SEISAKUSHO

    Suitable for the fastening of soft or fragile materials. Capable of performing an intermediate lock. Does not require a spring lock washer, either.

    Standard Price: SGD 1.83-
    Days to Ship: 4 Day(s) or more
  • Cap Nut Whitworth

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

    SUNCO

    A product that focuses on the outer appearance by preventing the screw tip from showing.

    • Volume Discount
    CAD :
    2D / 3D
    Standard Price: SGD 0.17-
    Days to Ship: 4 Day(s) or more
  • Acorn Nut; details

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

    TSUKUMO

    A product that focuses on the outer appearance by preventing the screw tip from showing.

    CAD :
    2D / 3D
    Standard Price: SGD 0.47-
    Days to Ship: 4 Day(s) or more
  • Acorn Nut; Unified (UNC)

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

    TSUKUMO

    A product that focuses on the outer appearance by preventing the screw tip from showing.

    CAD :
    2D / 3D
    Standard Price: SGD 0.99-
    Days to Ship: 4 Day(s) or more
  • Acorn Nut; Unified (UNF)

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

    TSUKUMO

    A product that focuses on the outer appearance by preventing the screw tip from showing.

    CAD :
    2D / 3D
    Standard Price: SGD 0.99-
    Days to Ship: 4 Day(s) or more
  • Insert Cap Nut

    Insert Cap Nut【1,000 Pieces Per Package】

    TSUKUMO

    [Material] Steel[Surface treatment] Bright chromate plating screw thread[Type metric coarse[Sales unit] Boxes/pack[Surface treatment] (details) bright chromate plating[Nominal designation of screw thread (M)] 5 6 8 10[Height (mm)] 9.5 10.5 13 15.5 S dimensions 8 10 12 14 dc 12 13 17 19 t 0.4 0.5 0.6

    Standard Price: SGD 266.88
    Days to Ship: 4 Day(s) or more
  • U Nut with Cap

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

    FUJI SEIMITSU

    Screw thread[Type] Metric coarse application / function prevents loosening prevents loosening details U nut[Nominal designation of screw thread (M)] 5 6 8 10 12 14 16 20 24[Material] Steel stainless steel[Sales unit] Individual (can be purchased as a single unit) boxes, packs[Surface treatment] (details) none trivalent chromate trivalent black trivalent white bright chromate plating chromate plating chromate plating bright chromate[Pitch (m...Readmore

    Standard Price: SGD 0.78-
    Days to Ship: 4 Day(s) or more
  • U Nut with Cap, Fine

    U Nut with Cap, Fine

    FUJI SEIMITSU

    A nut that exhibits a stable locking function.[Features]·Prevents early disengagement even when the axial force is reduced.·All-metal product with excellent heat and cold resistance.·Easy to tighten and prevents mounting errors.·Reusable.[Applications]·Ideal for steel structures such as railroads and connecting bridges, cars, motorcycles, and industrial machinery.

    Standard Price: SGD 1.43
    Days to Ship: 4 Day(s) or more
  • Cap nut (stainless steel)

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

    TRUSCO NAKAYAMA

    Features· Because the screw hole does not have a through-hole, therefore there will be cosmetic effects since it will protrude out from the machinery outer surface.

    Standard Price: SGD 12.24
    Days to Ship: Same day or more
  • Cap nut (trivalent chromate)

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

    TRUSCO NAKAYAMA

    Feature· Low environmental impact trivalent chromate product.

    Standard Price: SGD 11.40
    Days to Ship: 4 Day(s) or more
  • U Nut with Cap (Thin)

    U Nut with Cap (Thin)

    SUNCO

    [Material] Steel[Surface Processing] Trivalent White[Nominal of Thread (M)] 10[Application/Function] Standard[Thread Ridge Type] Metric Fine

    Standard Price: SGD 2.80
    Days to Ship: 7 Day(s) or more
  • Insertion Bag Nut

    Insertion Bag Nut

    SUNCO

    [Material] Steel[Surface Processing] Trivalent White[Nominal of Thread (M)] 5[Application/Function] Standard[Thread Ridge Type] Metric Coarse

    Standard Price: SGD 0.41
    Days to Ship: 7 Day(s) or more
  • [Trivalent Chromate] Box Nut EA949LV-3

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

    ESCO

    【Product Specifications】・Material-Iron (trivalent chromium plating)・Dim.…M3・Qty. per unit…9

    Standard Price: SGD 7.34
    Days to Ship: 4 Day(s) or more
  • [Trivalent Chromate] Box Nut EA949LV-5

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

    ESCO

    【Product Specifications】・Material-Iron (trivalent chromium plating)・Dim.…M5・Qty. per unit…8

    Standard Price: SGD 7.34
    Days to Ship: 7 Day(s) or more
  • Box Nut Set EA949SH

    Box Nut Set EA949SH

    ESCO

    【Product Specifications】・Material-Iron (unichrome plating)・Case dim.-207 x 145 x 40mm

    Standard Price: SGD 53.15
    Days to Ship: 7 Day(s) or more
  • TRUSCO, Panel Fix Bar, Single-Sided Nut

    TRUSCO, Panel Fix Bar, Single-Sided Nut【4 Pieces Per Package】

    TRUSCO NAKAYAMA

    [Features]・ This is a dedicated tool mainly for inserting sprues for coarse threads of M6 or above.・ It is a simple set and is a favorite tool for experts.・ It rotates the handle clockwise to insert it into the screw hole.[Applications]・ To Insert sprue insert.

    Standard Price: SGD 14.53
    Days to Ship: 7 Day(s) or more
  • TRUSCO, Panel Fix Bar, Both Nuts

    TRUSCO, Panel Fix Bar, Both Nuts【4 Pieces Per Package】

    TRUSCO NAKAYAMA

    [Features]・ If you hit the tip of the tool against the tongue and hit the head of the tool with a hammer, it will break at the notch, and the strong magnet at the tip of the tool will make it easy to remove the tongue.[Applications]・ Used to break off the tongue after inserting the sprue.

    Standard Price: SGD 8.14
    Days to Ship: 7 Day(s) or more

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