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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
$0.1152 - $0.1344 52000 In stock
#6-32
0.305 in
Natural
Domed
0.345 in
$0.1301 - $0.296 500 In stock
#4-40
0.250 in
Black
0.280 in
$0.2843 - $0.3899 4500 In stock
3/8-16
0.565 in
Natural
0.620 in
$0.0935 - $0.1281 Request the lead time here
#10-24
0.365 in
Natural
0.400 in
$0.0906 - $0.1244 23500 In stock
#8-32
0.330 in
Natural
0.375 in
$0.0878 - $0.1205 10000 In stock
#6-32
0.305 in
Natural
0.345 in
$0.2226 - $0.3056 13000 In stock
5/16-18
0.500 in
Natural
0.530 in
$0.3396 - $0.396 55000 In stock
3/8-16
0.565 in
Natural
Domed
0.620 in
$0.0665 - $0.0911 42000 In stock
1/4-20
0.425 in
Natural
0.475 in
$0.5172 - $1.1772 5250 In stock
5/8-11
0.935 in
Natural
Domed
0.970 in
$0.0935 - $0.1281 3500 In stock
#10-32
0.365 in
Natural
0.400 in
$0.0851 - $0.1166 3500 In stock
#4-40
0.250 in
Natural
0.280 in
$0.0905 - $0.1053 102000 In stock
#10-24
0.365 in
Black
Domed
0.400 in
$0.0731 - $0.1002 13000 In stock
1/4-20
0.425 in
Black
Domed
0.475 in
$0.2657 - $0.6044 500 In stock
3/8-32
0.565 in
Black
Domed
0.620 in
$0.1268 - $0.1479 4000 In stock
M4
0.276 in
Natural
Domed
0.315 in
$0.1731 - $0.2019 2000 In stock
M6
0.394 in
Black
0.472 in
$0.4091 - $0.561 500 In stock
1/2-20
0.750 in
Black
Domed
0.810 in
$0.1431 - $0.1668 4000 In stock
M6
0.394 in
Natural
Domed
0.472 in
$0.4092 - $0.5613 500 In stock
M12
0.744 in
Black
Domed
0.807 in
  • of 4
Hexagonal Cap Nut - Thread Size #6-32; Distance Across Flats 7.7 mm | 0.305 in; Overall Height 8.8 mm | 0.345 in; Natural; Nylon

0500632CN

Price Range
$0.1344 - $0.1152

Stock Levels
52000 In stock
Attributes
  • Overall Height
    0.345 in
  • Distance Across Flats
    0.305 in
  • Thread Size
    #6-32
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size #4-40; Distance Across Flats 6.4 mm | 0.250 in; Overall Height 7.1 mm | 0.280 in; Black; Nylon

0500440LCNB

Price Range
$0.296 - $0.1301

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.280 in
  • Distance Across Flats
    0.250 in
  • Thread Size
    #4-40
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 3/8-16; Distance Across Flats 14.4 mm | 0.565 in; Overall Height 15.7 mm | 0.620 in; Natural; Nylon

0537516LCN

Price Range
$0.3899 - $0.2843

Stock Levels
4500 In stock
Attributes
  • Overall Height
    0.620 in
  • Distance Across Flats
    0.565 in
  • Thread Size
    3/8-16
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size #10-24; Distance Across Flats 9.3 mm | 0.365 in; Overall Height 10.2 mm | 0.400 in; Natural; Nylon

0501024LCN

Price Range
$0.1281 - $0.0935

Stock Levels
Request the lead time here
Attributes
  • Overall Height
    0.400 in
  • Distance Across Flats
    0.365 in
  • Thread Size
    #10-24
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size #8-32; Distance Across Flats 8.4 mm | 0.330 in; Overall Height 9.5 mm | 0.375 in; Natural; Nylon

0500832LCN

Price Range
$0.1244 - $0.0906

Stock Levels
23500 In stock
Attributes
  • Overall Height
    0.375 in
  • Distance Across Flats
    0.330 in
  • Thread Size
    #8-32
  • 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; Natural; Nylon

0500632LCN

Price Range
$0.1205 - $0.0878

Stock Levels
10000 In stock
Attributes
  • Overall Height
    0.345 in
  • Distance Across Flats
    0.305 in
  • Thread Size
    #6-32
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 5/16-18; Distance Across Flats 12.7 mm | 0.500 in; Overall Height 13.5 mm | 0.530 in; Natural; Nylon

0531218LCN

Price Range
$0.3056 - $0.2226

Stock Levels
13000 In stock
Attributes
  • Overall Height
    0.530 in
  • Distance Across Flats
    0.500 in
  • Thread Size
    5/16-18
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 3/8-16; Distance Across Flats 14.4 mm | 0.565 in; Overall Height 15.7 mm | 0.620 in; Natural; Nylon

0537516CN

Price Range
$0.396 - $0.3396

Stock Levels
55000 In stock
Attributes
  • Overall Height
    0.620 in
  • Distance Across Flats
    0.565 in
  • Thread Size
    3/8-16
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 1/4-20; Distance Across Flats 10.8 mm | 0.425 in; Overall Height 12.1 mm | 0.475 in; Natural; Nylon

0525020LCN

Price Range
$0.0911 - $0.0665

Stock Levels
42000 In stock
Attributes
  • Overall Height
    0.475 in
  • Distance Across Flats
    0.425 in
  • Thread Size
    1/4-20
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 5/8-11; Distance Across Flats 23.7 mm | 0.935 in; Overall Height 24.6 mm | 0.970 in; Natural; Nylon

0562511CN

Price Range
$1.1772 - $0.5172

Stock Levels
5250 In stock
Attributes
  • Overall Height
    0.970 in
  • Distance Across Flats
    0.935 in
  • Thread Size
    5/8-11
  • 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; Natural; Nylon

0501032LCN

Price Range
$0.1281 - $0.0935

Stock Levels
3500 In stock
Attributes
  • Overall Height
    0.400 in
  • Distance Across Flats
    0.365 in
  • Thread Size
    #10-32
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size #4-40; Distance Across Flats 6.4 mm | 0.250 in; Overall Height 7.1 mm | 0.280 in; Natural; Nylon

0500440LCN

Price Range
$0.1166 - $0.0851

Stock Levels
3500 In stock
Attributes
  • Overall Height
    0.280 in
  • Distance Across Flats
    0.250 in
  • Thread Size
    #4-40
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size #10-24; Distance Across Flats 9.3 mm | 0.365 in; Overall Height 10.2 mm | 0.400 in; Black; Nylon

0501024CNB

Price Range
$0.1053 - $0.0905

Stock Levels
102000 In stock
Attributes
  • Overall Height
    0.400 in
  • Distance Across Flats
    0.365 in
  • Thread Size
    #10-24
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 1/4-20; Distance Across Flats 10.8 mm | 0.425 in; Overall Height 12.1 mm | 0.475 in; Black; Nylon

0525020CNB

Price Range
$0.1002 - $0.0731

Stock Levels
13000 In stock
Attributes
  • Overall Height
    0.475 in
  • Distance Across Flats
    0.425 in
  • Thread Size
    1/4-20
  • Colour
    Black
  • 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; Black; Nylon

0537532CNB

Price Range
$0.6044 - $0.2657

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.620 in
  • Distance Across Flats
    0.565 in
  • Thread Size
    3/8-32
  • 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; Natural; Nylon

05M040070CN

Price Range
$0.1479 - $0.1268

Stock Levels
4000 In stock
Attributes
  • Overall Height
    0.315 in
  • Distance Across Flats
    0.276 in
  • Thread Size
    M4
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M6; Distance Across Flats 10.0 mm | 0.394 in; Overall Height 12.0 mm | 0.472 in; Black; Nylon

05M060100LCNB

Price Range
$0.2019 - $0.1731

Stock Levels
2000 In stock
Attributes
  • Overall Height
    0.472 in
  • Distance Across Flats
    0.394 in
  • Thread Size
    M6
  • 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; Black; Nylon

0550020CNB

Price Range
$0.561 - $0.4091

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    1/2-20
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M6; Distance Across Flats 10.0 mm | 0.394 in; Overall Height 12.0 mm | 0.472 in; Natural; Nylon

05M060100CN

Price Range
$0.1668 - $0.1431

Stock Levels
4000 In stock
Attributes
  • Overall Height
    0.472 in
  • Distance Across Flats
    0.394 in
  • Thread Size
    M6
  • Colour
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M12; Distance Across Flats 18.9 mm | 0.744 in; Overall Height 20.5 mm | 0.807 in; Black; Nylon

05M120175CNB

Price Range
$0.5613 - $0.4092

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.807 in
  • Distance Across Flats
    0.744 in
  • Thread Size
    M12
  • Colour
    Black
  • Full Material
    Nylon 6/6