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Cap Nuts

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Cap Nuts are a type of nut with a dome-shaped top. It secures and covers exposed threaded studs, rods, and bolt ends with a dome-like cap. This protects and secures the fastening component while providing a finished appearance to the exposed threaded end. The dome-shaped caps are designed to be readily grabbed and tightened by hand or wrench.

It works as a locking mechanism, preventing the nut from becoming loose due to vibration or movement. Our range includes Hex Cap Dome Nuts, which have a hexagonal nut shape with a dome or cap that encloses exterior threads. They are available with or without a moulded-in locking thread for applications requiring torque for a more secure assembly. Commonly utilised in automotive, industrial, and commercial applications.

  • Material: Nylon
  • Colour: Natural, Black

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71 results
Product SKUs information
Item Code Price range Availability Thread Size Distance Across Flats Colour Nut Form Overall Height View
$0.4101 - $0.5625 500 In stock
7/16-14
0.750 in
Natural
Domed
0.810 in
$0.1395 - $0.1625 6000 In stock
M4
0.276 in
Black
Domed
0.315 in
$0.2213 - $0.2583 3000 In stock
M8
0.512 in
Natural
Domed
0.591 in
$0.9162 - $1.0688 1000 In stock
M20
1.051 in
Natural
Domed
1.146 in
$0.1346 - $0.3062 5500 In stock
#6-32
0.305 in
Black
0.345 in
$0.0912 - $0.1053 1000 In stock
#10-32
0.365 in
Black
Domed
0.400 in
$0.1518 - $0.3455 35500 In stock
1/4-28
0.425 in
Black
Domed
0.475 in
$0.3717 - $0.5099 4500 In stock
1/2-13
0.750 in
Natural
Domed
0.810 in
$0.1308 - $0.1526 4000 In stock
M5
0.315 in
Natural
Domed
0.394 in
$0.2613 - $0.3585 1000 In stock
M10
0.669 in
Natural
Domed
0.709 in
0500632CNB $0.1268 - $0.1478 58000 In stock
#6-32
0.305 in
Black
Domed
0.345 in
$0.1535 - $0.1788 5000 In stock
M4
0.276 in
Black
0.315 in
$0.3717 - $0.5099 500 In stock
1/2-20
0.750 in
Natural
Domed
0.810 in
$0.1734 - $0.2379 500 In stock
3/8-32
0.565 in
Natural
Domed
0.620 in
$0.5879 - $0.8063 250 In stock
M16
0.933 in
Natural
Domed
0.976 in
$0.1431 - $0.3257 47500 In stock
#10-32
0.365 in
Black
0.400 in
$0.1298 - $0.1779 1000 In stock
5/16-18
0.5 in
Natural
Domed
0.531 in
$0.4091 - $0.5609 20500 In stock
1/2-13
0.750 in
Black
Domed
0.810 in
$0.3986 - $0.9077 1500 In stock
1/4-18
0.750 in
Black
Domed
0.810 in
$0.2874 - $0.3944 36000 In stock
M10
0.669 in
Black
Domed
0.709 in
  • of 4
Hexagonal Cap Nut - Thread Size 7/16-14; Distance Across Flats 19.1 mm | 0.750 in; Overall Height 20.6 mm | 0.810 in; Natural; Nylon

0543714CN

Price Range
$0.5625 - $0.4101

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    7/16-14
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M4; Distance Across Flats 7.0 mm | 0.276 in; Overall Height 8.0 mm | 0.315 in; Black; Nylon

05M040070CNB

Price Range
$0.1625 - $0.1395

Stock Levels
6000 In stock
Attributes
  • Overall Height
    0.315 in
  • Distance Across Flats
    0.276 in
  • Thread Size
    M4
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M8; Distance Across Flats 13.0 mm | 0.512 in; Overall Height 15.0 mm | 0.591 in; Natural; Nylon

05M080125CN

Price Range
$0.2583 - $0.2213

Stock Levels
3000 In stock
Attributes
  • Overall Height
    0.591 in
  • Distance Across Flats
    0.512 in
  • Thread Size
    M8
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M20; Distance Across Flats 26.7 mm | 1.051 in; Overall Height 29.1 mm | 1.146 in; Natural; Nylon

05M200250CN

Price Range
$1.0688 - $0.9162

Stock Levels
1000 In stock
Attributes
  • Overall Height
    1.146 in
  • Distance Across Flats
    1.051 in
  • Thread Size
    M20
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size #6-32; Distance Across Flats 7.7 mm | 0.305 in; Overall Height 8.8 mm | 0.345 in; Black; Nylon

0500632LCNB

Price Range
$0.3062 - $0.1346

Stock Levels
5500 In stock
Attributes
  • Overall Height
    0.345 in
  • Distance Across Flats
    0.305 in
  • Thread Size
    #6-32
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size #10-32; Distance Across Flats 9.3 mm | 0.365 in; Overall Height 10.2 mm | 0.400 in; Black; Nylon

0501032CNB

Price Range
$0.1053 - $0.0912

Stock Levels
1000 In stock
Attributes
  • Overall Height
    0.400 in
  • Distance Across Flats
    0.365 in
  • Thread Size
    #10-32
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 1/4-28; Distance Across Flats 10.8 mm | 0.425 in; Overall Height 12.1 mm | 0.475 in; Black; Nylon

0525028CNB

Price Range
$0.3455 - $0.1518

Stock Levels
35500 In stock
Attributes
  • Overall Height
    0.475 in
  • Distance Across Flats
    0.425 in
  • Thread Size
    1/4-28
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 1/2-13; Distance Across Flats 19.1 mm | 0.750 in; Overall Height 20.6 mm | 0.810 in; Natural; Nylon

0550013CN

Price Range
$0.5099 - $0.3717

Stock Levels
4500 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    1/2-13
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M5; Distance Across Flats 8.0 mm | 0.315 in; Overall Height 10.0 mm | 0.394 in; Natural; Nylon

05M050080CN

Price Range
$0.1526 - $0.1308

Stock Levels
4000 In stock
Attributes
  • Overall Height
    0.394 in
  • Distance Across Flats
    0.315 in
  • Thread Size
    M5
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M10; Distance Across Flats 17.0 mm | 0.669 in; Overall Height 18.0 mm | 0.709 in; Natural; Nylon

05M100150CN

Price Range
$0.3585 - $0.2613

Stock Levels
1000 In stock
Attributes
  • Overall Height
    0.709 in
  • Distance Across Flats
    0.669 in
  • Thread Size
    M10
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size #6-32; Distance Across Flats 7.7 mm | 0.305 in; Overall Height 8.8 mm | 0.345 in; Black; Nylon

0500632CNB

Price Range
$0.1478 - $0.1268

Stock Levels
58000 In stock
Attributes
  • Overall Height
    0.345 in
  • Distance Across Flats
    0.305 in
  • Thread Size
    #6-32
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M4; Distance Across Flats 7.0 mm | 0.276 in; Overall Height 8.0 mm | 0.315 in; Black; Nylon

05M040070LCNB

Price Range
$0.1788 - $0.1535

Stock Levels
5000 In stock
Attributes
  • Overall Height
    0.315 in
  • Distance Across Flats
    0.276 in
  • Thread Size
    M4
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 1/2-20; Distance Across Flats 19.1 mm | 0.750 in; Overall Height 20.6 mm | 0.810 in; Natural; Nylon

0550020CN

Price Range
$0.5099 - $0.3717

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    1/2-20
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 3/8-32; Distance Across Flats 14.4 mm | 0.565 in; Overall Height 15.7 mm | 0.620 in; Natural; Nylon

0537532CN

Price Range
$0.2379 - $0.1734

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.620 in
  • Distance Across Flats
    0.565 in
  • Thread Size
    3/8-32
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M16; Distance Across Flats 23.7 mm | 0.933 in; Overall Height 24.8 mm | 0.976 in; Natural; Nylon

05M160200CN

Price Range
$0.8063 - $0.5879

Stock Levels
250 In stock
Attributes
  • Overall Height
    0.976 in
  • Distance Across Flats
    0.933 in
  • Thread Size
    M16
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size #10-32; Distance Across Flats 9.3 mm | 0.365 in; Overall Height 10.2 mm | 0.400 in; Black; Nylon

0501032LCNB

Price Range
$0.3257 - $0.1431

Stock Levels
47500 In stock
Attributes
  • Overall Height
    0.400 in
  • Distance Across Flats
    0.365 in
  • Thread Size
    #10-32
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 5/16-18; Distance Across Flats 12.7 mm | 0.5 in; Overall Height 13.5 mm | 0.531 in; Natural; Nylon

0531218CN

Price Range
$0.1779 - $0.1298

Stock Levels
1000 In stock
Attributes
  • Overall Height
    0.531 in
  • Distance Across Flats
    0.5 in
  • Thread Size
    5/16-18
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 1/2-13; Distance Across Flats 19.1 mm | 0.750 in; Overall Height 20.6 mm | 0.810 in; Black; Nylon

0550013CNB

Price Range
$0.5609 - $0.4091

Stock Levels
20500 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    1/2-13
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 1/4-18; Distance Across Flats 10.8 mm | 0.425 in; Overall Height 12.1 mm | 0.475 in; Black; Nylon

0525018CNB

Price Range
$0.9077 - $0.3986

Stock Levels
1500 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    1/4-18
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M10; Distance Across Flats 17.0 mm | 0.669 in; Overall Height 18.0 mm | 0.709 in; Black; Nylon

05M100150CNB

Price Range
$0.3944 - $0.2874

Stock Levels
36000 In stock
Attributes
  • Overall Height
    0.709 in
  • Distance Across Flats
    0.669 in
  • Thread Size
    M10
  • Colour
    Black
  • Full Material
    Nylon 6/6