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Cap Nuts

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Cap Nuts, also known as a Blind Nut or a Crown Nut, is a nut that has a domed end on one side. The Domed Cap Nut is used to cover exposed threaded stud, rod and bolt ends with a dome-like cap. This offers protection and safety to the fastening assembly, while also creating a finished appearance to the exposed threaded end.

Our range is made up from Hex Cap Dome Nuts that feature a hexagonal nut shape with the dome or cap that encloses external threads. They are offered with or without a molded-in locking thread for applications which require torque for a more secure assembly.

  • Material: Nylon 6/6
  • Colors: Natural and Black
  • Flame resistance rating UL94 V2.

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71 results
Product SKUs information
Item Code Price range Availability Thread Size Distance Across Flats Color Nut Form Overall Height View
05M060100LCN $0.1087 - $0.1267 1000 In stock
M6 x 1.0
0.394 in
Natural
Domed
0.472 in
0500632CN $0.0795 - $0.0927 40000 In stock
#6-32
0.305 in
Natural
Domed
0.345 in
$0.0897 - $0.2042 500 In stock
#4-40
0.250 in
Black
0.280 in
$0.1961 - $0.269 4500 In stock
3/8-16
0.565 in
Natural
0.620 in
$0.169 - $0.2318 500 In stock
5/16-18
0.500 in
Black
0.530 in
$0.30 - $0.6832 3000 In stock
3/8-16
0.565 in
Black
0.620 in
$0.1617 - $0.2217 36500 In stock
5/16-24
0.500 in
Black
Domed
0.530 in
$0.0587 - $0.0804 Request the lead time here
#4-40
0.250 in
Natural
0.280 in
$0.0645 - $0.0884 2000 In stock
#10-24
0.365 in
Natural
0.400 in
$0.0645 - $0.0884 2000 In stock
#10-32
0.365 in
Natural
0.400 in
0525020CNB $0.0504 - $0.0691 11000 In stock
1/4-20
0.425 in
Black
Domed
0.475 in
$0.0846 - $0.0987 4000 In stock
#4-40
0.250 in
Black
Domed
0.280 in
0550013CNB $0.2822 - $0.387 10000 In stock
1/2-13
0.750 in
Black
Domed
0.810 in
$0.0875 - $0.1021 2000 In stock
M4 x 0.7
0.276 in
Natural
Domed
0.315 in
$0.0993 - $0.1158 8000 In stock
M5 x 0.8
0.315 in
Black
Domed
0.394 in
$0.1194 - $0.1393 6000 In stock
M6 x 1.0
0.394 in
Black
0.472 in
$0.1983 - $0.2721 33000 In stock
M10 x 1.5
0.669 in
Black
Domed
0.709 in
$0.6204 - $1.4129 1000 In stock
M16 x 2.0
0.933 in
Black
Domed
0.976 in
$0.283 - $0.3881 500 In stock
7/16-14
0.750 in
Natural
Domed
0.810 in
$0.2565 - $0.3518 500 In stock
1/2-20
0.750 in
Natural
Domed
0.810 in
  • of 4
Hexagonal Cap Nut - Thread Size M6 x 1.0; Distance Across Flats 10.0 mm | 0.394 in; Overall Height 12.0 mm | 0.472 in; Natural; Nylon 6/6

05M060100LCN

Price Range
$0.1267 - $0.1087

Stock Levels
1000 In stock
Attributes
  • Overall Height
    0.472 in
  • Distance Across Flats
    0.394 in
  • Thread Size
    M6 x 1.0
  • Color
    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 6/6

0500632CN

Price Range
$0.0927 - $0.0795

Stock Levels
40000 In stock
Attributes
  • Overall Height
    0.345 in
  • Distance Across Flats
    0.305 in
  • Thread Size
    #6-32
  • Color
    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 6/6

0500440LCNB

Price Range
$0.2042 - $0.0897

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.280 in
  • Distance Across Flats
    0.250 in
  • Thread Size
    #4-40
  • Color
    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 6/6

0537516LCN

Price Range
$0.269 - $0.1961

Stock Levels
4500 In stock
Attributes
  • Overall Height
    0.620 in
  • Distance Across Flats
    0.565 in
  • Thread Size
    3/8-16
  • Color
    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; Black; Nylon 6/6

0531218LCNB

Price Range
$0.2318 - $0.169

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.530 in
  • Distance Across Flats
    0.500 in
  • Thread Size
    5/16-18
  • Color
    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; Black; Nylon 6/6

0537516LCNB

Price Range
$0.6832 - $0.30

Stock Levels
3000 In stock
Attributes
  • Overall Height
    0.620 in
  • Distance Across Flats
    0.565 in
  • Thread Size
    3/8-16
  • Color
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size 5/16-24; Distance Across Flats 12.7 mm | 0.500 in; Overall Height 13.5 mm | 0.530 in; Black; Nylon 6/6

0531224CNB

Price Range
$0.2217 - $0.1617

Stock Levels
36500 In stock
Attributes
  • Overall Height
    0.530 in
  • Distance Across Flats
    0.500 in
  • Thread Size
    5/16-24
  • Color
    Black
  • 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 6/6

0500440LCN

Price Range
$0.0804 - $0.0587

Stock Levels
Request the lead time here
Attributes
  • Overall Height
    0.280 in
  • Distance Across Flats
    0.250 in
  • Thread Size
    #4-40
  • Color
    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 6/6

0501024LCN

Price Range
$0.0884 - $0.0645

Stock Levels
2000 In stock
Attributes
  • Overall Height
    0.400 in
  • Distance Across Flats
    0.365 in
  • Thread Size
    #10-24
  • Color
    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 6/6

0501032LCN

Price Range
$0.0884 - $0.0645

Stock Levels
2000 In stock
Attributes
  • Overall Height
    0.400 in
  • Distance Across Flats
    0.365 in
  • Thread Size
    #10-32
  • Color
    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; Black; Nylon 6/6

0525020CNB

Price Range
$0.0691 - $0.0504

Stock Levels
11000 In stock
Attributes
  • Overall Height
    0.475 in
  • Distance Across Flats
    0.425 in
  • Thread Size
    1/4-20
  • Color
    Black
  • 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 6/6

0500440CNB

Price Range
$0.0987 - $0.0846

Stock Levels
4000 In stock
Attributes
  • Overall Height
    0.280 in
  • Distance Across Flats
    0.250 in
  • Thread Size
    #4-40
  • Color
    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; Black; Nylon 6/6

0550013CNB

Price Range
$0.387 - $0.2822

Stock Levels
10000 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    1/2-13
  • Color
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M4 x 0.7; Distance Across Flats 7.0 mm | 0.276 in; Overall Height 8.0 mm | 0.315 in; Natural; Nylon 6/6

05M040070CN

Price Range
$0.1021 - $0.0875

Stock Levels
2000 In stock
Attributes
  • Overall Height
    0.315 in
  • Distance Across Flats
    0.276 in
  • Thread Size
    M4 x 0.7
  • Color
    Natural
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M5 x 0.8; Distance Across Flats 8.0 mm | 0.315 in; Overall Height 10.0 mm | 0.394 in; Black; Nylon 6/6

05M050080CNB

Price Range
$0.1158 - $0.0993

Stock Levels
8000 In stock
Attributes
  • Overall Height
    0.394 in
  • Distance Across Flats
    0.315 in
  • Thread Size
    M5 x 0.8
  • Color
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M6 x 1.0; Distance Across Flats 10.0 mm | 0.394 in; Overall Height 12.0 mm | 0.472 in; Black; Nylon 6/6

05M060100LCNB

Price Range
$0.1393 - $0.1194

Stock Levels
6000 In stock
Attributes
  • Overall Height
    0.472 in
  • Distance Across Flats
    0.394 in
  • Thread Size
    M6 x 1.0
  • Color
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M10 x 1.5; Distance Across Flats 17.0 mm | 0.669 in; Overall Height 18.0 mm | 0.709 in; Black; Nylon 6/6

05M100150CNB

Price Range
$0.2721 - $0.1983

Stock Levels
33000 In stock
Attributes
  • Overall Height
    0.709 in
  • Distance Across Flats
    0.669 in
  • Thread Size
    M10 x 1.5
  • Color
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M16 x 2.0; Distance Across Flats 23.7 mm | 0.933 in; Overall Height 24.8 mm | 0.976 in; Black; Nylon 6/6

05M160200CNB

Price Range
$1.4129 - $0.6204

Stock Levels
1000 In stock
Attributes
  • Overall Height
    0.976 in
  • Distance Across Flats
    0.933 in
  • Thread Size
    M16 x 2.0
  • Color
    Black
  • Full Material
    Nylon 6/6
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 6/6

0543714CN

Price Range
$0.3881 - $0.283

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    7/16-14
  • Color
    Natural
  • 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 6/6

0550020CN

Price Range
$0.3518 - $0.2565

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    1/2-20
  • Color
    Natural
  • Full Material
    Nylon 6/6