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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
$0.0958 - $0.1119 9000 In stock
M5 x 0.8
0.315 in
Natural
Domed
0.394 in
05M060100LCN $0.105 - $0.1224 1000 In stock
M6 x 1.0
0.394 in
Natural
Domed
0.472 in
$0.1562 - $0.2142 36500 In stock
5/16-24
0.500 in
Black
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
$0.1633 - $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
$0.0959 - $0.1119 8000 In stock
M5 x 0.8
0.315 in
Black
Domed
0.394 in
$0.1154 - $0.1346 6000 In stock
M6 x 1.0
0.394 in
Black
0.472 in
$0.1916 - $0.2629 35000 In stock
M10 x 1.5
0.669 in
Black
Domed
0.709 in
$0.5994 - $1.3651 1000 In stock
M16 x 2.0
0.933 in
Black
Domed
0.976 in
$0.1669 - $0.1945 Request the lead time here
3/8-24
0.565 in
Black
Domed
0.620 in
$0.0897 - $0.2041 4500 In stock
#6-32
0.305 in
Black
0.345 in
0501024CN $0.0548 - $0.064 29000 In stock
#10-24
0.365 in
Natural
Domed
0.400 in
$0.0608 - $0.0702 1000 In stock
#10-32
0.365 in
Black
Domed
0.400 in
$0.0443 - $0.0607 35000 In stock
1/4-20
0.425 in
Natural
Domed
0.475 in
$0.1475 - $0.1722 5000 In stock
M8 x 1.25
0.512 in
Natural
Domed
0.591 in
0500632CN $0.0768 - $0.0896 Request the lead time here
#6-32
0.305 in
Natural
Domed
0.345 in
$0.0867 - $0.1973 500 In stock
#4-40
0.250 in
Black
0.280 in
  • of 4
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

05M050080LCN

Price Range
$0.1119 - $0.0958

Stock Levels
9000 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; Natural; Nylon 6/6

05M060100LCN

Price Range
$0.1224 - $0.105

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 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

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 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 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
$0.1119 - $0.0959

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
$0.1346 - $0.1154

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
$0.2629 - $0.1916

Stock Levels
35000 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
$1.3651 - $0.5994

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 3/8-24; Distance Across Flats 14.4 mm | 0.565 in; Overall Height 15.7 mm | 0.620 in; Black; Nylon 6/6

0537524CNB

Price Range
$0.1945 - $0.1669

Stock Levels
Request the lead time here
Attributes
  • Overall Height
    0.620 in
  • Distance Across Flats
    0.565 in
  • Thread Size
    3/8-24
  • Color
    Black
  • 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 6/6

0500632LCNB

Price Range
$0.2041 - $0.0897

Stock Levels
4500 In stock
Attributes
  • Overall Height
    0.345 in
  • Distance Across Flats
    0.305 in
  • Thread Size
    #6-32
  • Color
    Black
  • 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

0501024CN

Price Range
$0.064 - $0.0548

Stock Levels
29000 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; Black; Nylon 6/6

0501032CNB

Price Range
$0.0702 - $0.0608

Stock Levels
1000 In stock
Attributes
  • Overall Height
    0.400 in
  • Distance Across Flats
    0.365 in
  • Thread Size
    #10-32
  • 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

0525020CN

Price Range
$0.0607 - $0.0443

Stock Levels
35000 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 M8 x 1.25; Distance Across Flats 13.0 mm | 0.512 in; Overall Height 15.0 mm | 0.591 in; Natural; Nylon 6/6

05M080125CN

Price Range
$0.1722 - $0.1475

Stock Levels
5000 In stock
Attributes
  • Overall Height
    0.591 in
  • Distance Across Flats
    0.512 in
  • Thread Size
    M8 x 1.25
  • 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
$0.0896 - $0.0768

Stock Levels
Request the lead time here
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
$0.1973 - $0.0867

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