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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
$0.1156 - $0.1586 Request the lead time here
3/8-32
0.565 in
Natural
Domed
0.620 in
$0.2478 - $0.3399 3000 In stock
1/2-13
0.750 in
Natural
Domed
0.810 in
0562511CNB $0.4308 - $0.591 2750 In stock
5/8-11
0.935 in
Black
Domed
0.970 in
$0.0872 - $0.1017 3000 In stock
M5 x 0.8
0.315 in
Natural
Domed
0.394 in
05M060100CNB $0.1051 - $0.1225 9000 In stock
M6 x 1.0
0.394 in
Black
Domed
0.472 in
$0.1742 - $0.239 Request the lead time here
M10 x 1.5
0.669 in
Natural
Domed
0.709 in
$0.3919 - $0.5375 250 In stock
M16 x 2.0
0.933 in
Natural
Domed
0.976 in
$0.4182 - $0.952 38000 In stock
7/16-14
0.750 in
Black
Domed
0.810 in
$0.2727 - $0.374 500 In stock
1/2-20
0.750 in
Black
Domed
0.810 in
$0.1023 - $0.1192 4000 In stock
M4 x 0.7
0.276 in
Black
0.315 in
$0.0954 - $0.1112 4000 In stock
M6 x 1.0
0.394 in
Natural
Domed
0.472 in
05M080125CNB $0.1625 - $0.1894 12000 In stock
M8 x 1.25
0.512 in
Black
Domed
0.591 in
$0.1562 - $0.2142 36500 In stock
5/16-24
0.500 in
Black
Domed
0.530 in
$0.1633 - $0.224 500 In stock
5/16-18
0.500 in
Black
0.530 in
$0.2899 - $0.6601 3000 In stock
3/8-16
0.565 in
Black
0.620 in
$0.1419 - $0.1947 1500 In stock
5/16-24
0.500 in
Natural
Domed
0.530 in
$0.0951 - $0.1304 2500 In stock
5/16-18
0.500 in
Black
Domed
0.530 in
$0.2489 - $0.2905 Request the lead time here
3/8-16
0.565 in
Black
Domed
0.620 in
$0.0443 - $0.0607 16500 In stock
1/4-20
0.425 in
Natural
0.475 in
0537516CN $0.2264 - $0.264 30000 In stock
3/8-16
0.565 in
Natural
Domed
0.620 in
  • of 4
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 6/6

0537532CN

Price Range
$0.1586 - $0.1156

Stock Levels
Request the lead time here
Attributes
  • Overall Height
    0.620 in
  • Distance Across Flats
    0.565 in
  • Thread Size
    3/8-32
  • Color
    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; Natural; Nylon 6/6

0550013CN

Price Range
$0.3399 - $0.2478

Stock Levels
3000 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    1/2-13
  • Color
    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; Black; Nylon 6/6

0562511CNB

Price Range
$0.591 - $0.4308

Stock Levels
2750 In stock
Attributes
  • Overall Height
    0.970 in
  • Distance Across Flats
    0.935 in
  • Thread Size
    5/8-11
  • Color
    Black
  • 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; Natural; Nylon 6/6

05M050080CN

Price Range
$0.1017 - $0.0872

Stock Levels
3000 In stock
Attributes
  • Overall Height
    0.394 in
  • Distance Across Flats
    0.315 in
  • Thread Size
    M5 x 0.8
  • Color
    Natural
  • 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

05M060100CNB

Price Range
$0.1225 - $0.1051

Stock Levels
9000 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; Natural; Nylon 6/6

05M100150CN

Price Range
$0.239 - $0.1742

Stock Levels
Request the lead time here
Attributes
  • Overall Height
    0.709 in
  • Distance Across Flats
    0.669 in
  • Thread Size
    M10 x 1.5
  • Color
    Natural
  • 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; Natural; Nylon 6/6

05M160200CN

Price Range
$0.5375 - $0.3919

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

0543714CNB

Price Range
$0.952 - $0.4182

Stock Levels
38000 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    7/16-14
  • Color
    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 6/6

0550020CNB

Price Range
$0.374 - $0.2727

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

05M040070LCNB

Price Range
$0.1192 - $0.1023

Stock Levels
4000 In stock
Attributes
  • Overall Height
    0.315 in
  • Distance Across Flats
    0.276 in
  • Thread Size
    M4 x 0.7
  • 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; Natural; Nylon 6/6

05M060100CN

Price Range
$0.1112 - $0.0954

Stock Levels
4000 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 M8 x 1.25; Distance Across Flats 13.0 mm | 0.512 in; Overall Height 15.0 mm | 0.591 in; Black; Nylon 6/6

05M080125CNB

Price Range
$0.1894 - $0.1625

Stock Levels
12000 In stock
Attributes
  • Overall Height
    0.591 in
  • Distance Across Flats
    0.512 in
  • Thread Size
    M8 x 1.25
  • 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
$0.2142 - $0.1562

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 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
$0.224 - $0.1633

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
$0.6601 - $0.2899

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; Natural; Nylon 6/6

0531224CN

Price Range
$0.1947 - $0.1419

Stock Levels
1500 In stock
Attributes
  • Overall Height
    0.530 in
  • Distance Across Flats
    0.500 in
  • Thread Size
    5/16-24
  • 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

0531218CNB

Price Range
$0.1304 - $0.0951

Stock Levels
2500 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

0537516CNB

Price Range
$0.2905 - $0.2489

Stock Levels
Request the lead time here
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 1/4-20; Distance Across Flats 10.8 mm | 0.425 in; Overall Height 12.1 mm | 0.475 in; Natural; Nylon 6/6

0525020LCN

Price Range
$0.0607 - $0.0443

Stock Levels
16500 In stock
Attributes
  • Overall Height
    0.475 in
  • Distance Across Flats
    0.425 in
  • Thread Size
    1/4-20
  • Color
    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 6/6

0537516CN

Price Range
$0.264 - $0.2264

Stock Levels
30000 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