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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
$0.2734 - $0.375 500 In stock
7/16-14
0.750 in
Natural
Domed
0.810 in
05M040070CNB $0.093 - $0.1083 6000 In stock
M4
0.276 in
Black
Domed
0.315 in
$0.1475 - $0.1722 3000 In stock
M8
0.512 in
Natural
Domed
0.591 in
05M200250CN $0.6108 - $0.7125 1000 In stock
M20
1.051 in
Natural
Domed
1.146 in
$0.0897 - $0.2041 5500 In stock
#6-32
0.305 in
Black
0.345 in
$0.0608 - $0.0702 1000 In stock
#10-32
0.365 in
Black
Domed
0.400 in
$0.1012 - $0.2303 35500 In stock
1/4-28
0.425 in
Black
Domed
0.475 in
$0.2478 - $0.3399 4500 In stock
1/2-13
0.750 in
Natural
Domed
0.810 in
$0.0872 - $0.1017 4000 In stock
M5
0.315 in
Natural
Domed
0.394 in
$0.1742 - $0.239 1000 In stock
M10
0.669 in
Natural
Domed
0.709 in
$0.0845 - $0.0985 58000 In stock
#6-32
0.305 in
Black
Domed
0.345 in
$0.1023 - $0.1192 5000 In stock
M4
0.276 in
Black
0.315 in
$0.2478 - $0.3399 500 In stock
1/2-20
0.750 in
Natural
Domed
0.810 in
$0.1156 - $0.1586 500 In stock
3/8-32
0.565 in
Natural
Domed
0.620 in
$0.3919 - $0.5375 250 In stock
M16
0.933 in
Natural
Domed
0.976 in
$0.0954 - $0.2171 47500 In stock
#10-32
0.365 in
Black
0.400 in
0531218CN $0.0865 - $0.1186 1000 In stock
5/16-18
0.5 in
Natural
Domed
0.531 in
0550013CNB $0.2727 - $0.3739 20500 In stock
1/2-13
0.750 in
Black
Domed
0.810 in
$0.2657 - $0.6051 1500 In stock
1/4-18
0.750 in
Black
Domed
0.810 in
$0.1916 - $0.2629 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
$0.375 - $0.2734

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 M4; Distance Across Flats 7.0 mm | 0.276 in; Overall Height 8.0 mm | 0.315 in; Black; Nylon

05M040070CNB

Price Range
$0.1083 - $0.093

Stock Levels
6000 In stock
Attributes
  • Overall Height
    0.315 in
  • Distance Across Flats
    0.276 in
  • Thread Size
    M4
  • Color
    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
$0.1722 - $0.1475

Stock Levels
3000 In stock
Attributes
  • Overall Height
    0.591 in
  • Distance Across Flats
    0.512 in
  • Thread Size
    M8
  • Color
    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
$0.7125 - $0.6108

Stock Levels
1000 In stock
Attributes
  • Overall Height
    1.146 in
  • Distance Across Flats
    1.051 in
  • Thread Size
    M20
  • 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; Black; Nylon

0500632LCNB

Price Range
$0.2041 - $0.0897

Stock Levels
5500 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 #10-32; Distance Across Flats 9.3 mm | 0.365 in; Overall Height 10.2 mm | 0.400 in; Black; Nylon

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 1/4-28; Distance Across Flats 10.8 mm | 0.425 in; Overall Height 12.1 mm | 0.475 in; Black; Nylon

0525028CNB

Price Range
$0.2303 - $0.1012

Stock Levels
35500 In stock
Attributes
  • Overall Height
    0.475 in
  • Distance Across Flats
    0.425 in
  • Thread Size
    1/4-28
  • 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; Natural; Nylon

0550013CN

Price Range
$0.3399 - $0.2478

Stock Levels
4500 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 M5; Distance Across Flats 8.0 mm | 0.315 in; Overall Height 10.0 mm | 0.394 in; Natural; Nylon

05M050080CN

Price Range
$0.1017 - $0.0872

Stock Levels
4000 In stock
Attributes
  • Overall Height
    0.394 in
  • Distance Across Flats
    0.315 in
  • Thread Size
    M5
  • Color
    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
$0.239 - $0.1742

Stock Levels
1000 In stock
Attributes
  • Overall Height
    0.709 in
  • Distance Across Flats
    0.669 in
  • Thread Size
    M10
  • 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; Black; Nylon

0500632CNB

Price Range
$0.0985 - $0.0845

Stock Levels
58000 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 M4; Distance Across Flats 7.0 mm | 0.276 in; Overall Height 8.0 mm | 0.315 in; Black; Nylon

05M040070LCNB

Price Range
$0.1192 - $0.1023

Stock Levels
5000 In stock
Attributes
  • Overall Height
    0.315 in
  • Distance Across Flats
    0.276 in
  • Thread Size
    M4
  • 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; Natural; Nylon

0550020CN

Price Range
$0.3399 - $0.2478

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
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
$0.1586 - $0.1156

Stock Levels
500 In stock
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 M16; Distance Across Flats 23.7 mm | 0.933 in; Overall Height 24.8 mm | 0.976 in; Natural; Nylon

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
  • 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

0501032LCNB

Price Range
$0.2171 - $0.0954

Stock Levels
47500 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 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
$0.1186 - $0.0865

Stock Levels
1000 In stock
Attributes
  • Overall Height
    0.531 in
  • Distance Across Flats
    0.5 in
  • Thread Size
    5/16-18
  • 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; Black; Nylon

0550013CNB

Price Range
$0.3739 - $0.2727

Stock Levels
20500 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 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
$0.6051 - $0.2657

Stock Levels
1500 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    1/4-18
  • Color
    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
$0.2629 - $0.1916

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