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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
$0.0938 - $0.1287 11000 In stock
#8-32
0.330 in
Natural
0.375 in
$0.0968 - $0.1326 500 In stock
#10-32
0.365 in
Natural
0.400 in
$0.6492 - $1.478 38000 In stock
7/16-14
0.750 in
Black
Dome
0.810 in
$0.4233 - $0.5807 500 In stock
1/2-20
0.750 in
Black
Dome
0.810 in
$0.1589 - $0.1851 4000 In stock
M4 x 0.7
0.276 in
Black
0.315 in
$0.1355 - $0.158 Request the lead time here
#8-32
0.330 in
Black
Dome
0.375 in
$0.0936 - $0.1091 37000 In stock
#10-24
0.365 in
Black
Dome
0.400 in
$0.1355 - $0.158 2000 In stock
M5 x 0.8
0.315 in
Natural
Dome
0.394 in
0500632CNB $0.1313 - $0.1529 50000 In stock
#6-32
0.305 in
Black
Dome
0.345 in
$0.0858 - $0.0993 Request the lead time here
#10-32
0.365 in
Natural
Dome
0.400 in
$0.4125 - $0.9395 1000 In stock
1/4-18
0.750 in
Black
Dome
0.810 in
$0.4235 - $0.581 500 In stock
M12 x 1.75
0.744 in
Black
Dome
0.807 in
$1.043 - $1.2167 Request the lead time here
M20 x 2.5
1.051 in
Black
Dome
1.146 in
$0.1269 - $0.1481 Request the lead time here
#4-40
0.250 in
Black
Dome
0.280 in
$0.1481 - $0.3371 1000 In stock
#10-24
0.365 in
Black
0.400 in
$0.1233 - $0.1434 37000 In stock
#8-32
0.330 in
Natural
Dome
0.375 in
$0.1481 - $0.3371 6000 In stock
#10-32
0.365 in
Black
0.400 in
$0.1632 - $0.1902 9000 In stock
M6 x 1.0
0.394 in
Black
Dome
0.472 in
$0.1445 - $0.1682 7000 In stock
M4 x 0.7
0.276 in
Black
Dome
0.315 in
$0.1638 - $0.191 4000 In stock
M5 x 0.8
0.315 in
Black
0.394 in
  • of 4
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 6/6

0500832LCN

Price Range
$0.1287 - $0.0938

Stock Levels
11000 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 #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
$0.1326 - $0.0968

Stock Levels
500 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 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
$1.478 - $0.6492

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

0550020CNB

Price Range
$0.5807 - $0.4233

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 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
$0.1851 - $0.1589

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

0500832CNB

Price Range
$0.158 - $0.1355

Stock Levels
Request the lead time here
Attributes
  • Overall Height
    0.375 in
  • Distance Across Flats
    0.330 in
  • Thread Size
    #8-32
  • Colour
    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; Black; Nylon 6/6

0501024CNB

Price Range
$0.1091 - $0.0936

Stock Levels
37000 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 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
$0.158 - $0.1355

Stock Levels
2000 In stock
Attributes
  • Overall Height
    0.394 in
  • Distance Across Flats
    0.315 in
  • Thread Size
    M5 x 0.8
  • 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; Black; Nylon 6/6

0500632CNB

Price Range
$0.1529 - $0.1313

Stock Levels
50000 In stock
Attributes
  • Overall Height
    0.345 in
  • Distance Across Flats
    0.305 in
  • Thread Size
    #6-32
  • Colour
    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; Natural; Nylon 6/6

0501032CN

Price Range
$0.0993 - $0.0858

Stock Levels
Request the lead time here
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 1/4-18; Distance Across Flats 10.8 mm | 0.425 in; Overall Height 12.1 mm | 0.475 in; Black; Nylon 6/6

0525018CNB

Price Range
$0.9395 - $0.4125

Stock Levels
1000 In stock
Attributes
  • Overall Height
    0.810 in
  • Distance Across Flats
    0.750 in
  • Thread Size
    1/4-18
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M12 x 1.75; Distance Across Flats 18.9 mm | 0.744 in; Overall Height 20.5 mm | 0.807 in; Black; Nylon 6/6

05M120175CNB

Price Range
$0.581 - $0.4235

Stock Levels
500 In stock
Attributes
  • Overall Height
    0.807 in
  • Distance Across Flats
    0.744 in
  • Thread Size
    M12 x 1.75
  • Colour
    Black
  • Full Material
    Nylon 6/6
Hexagonal Cap Nut - Thread Size M20 x 2.5; Distance Across Flats 26.7 mm | 1.051 in; Overall Height 29.1 mm | 1.146 in; Black; Nylon 6/6

05M200250CNB

Price Range
$1.2167 - $1.043

Stock Levels
Request the lead time here
Attributes
  • Overall Height
    1.146 in
  • Distance Across Flats
    1.051 in
  • Thread Size
    M20 x 2.5
  • Colour
    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
$0.1481 - $0.1269

Stock Levels
Request the lead time here
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 #10-24; Distance Across Flats 9.3 mm | 0.365 in; Overall Height 10.2 mm | 0.400 in; Black; Nylon 6/6

0501024LCNB

Price Range
$0.3371 - $0.1481

Stock Levels
1000 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 #8-32; Distance Across Flats 8.4 mm | 0.330 in; Overall Height 9.5 mm | 0.375 in; Natural; Nylon 6/6

0500832CN

Price Range
$0.1434 - $0.1233

Stock Levels
37000 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 #10-32; Distance Across Flats 9.3 mm | 0.365 in; Overall Height 10.2 mm | 0.400 in; Black; Nylon 6/6

0501032LCNB

Price Range
$0.3371 - $0.1481

Stock Levels
6000 In stock
Attributes
  • Overall Height
    0.400 in
  • Distance Across Flats
    0.365 in
  • Thread Size
    #10-32
  • Colour
    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

05M060100CNB

Price Range
$0.1902 - $0.1632

Stock Levels
9000 In stock
Attributes
  • Overall Height
    0.472 in
  • Distance Across Flats
    0.394 in
  • Thread Size
    M6 x 1.0
  • Colour
    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

05M040070CNB

Price Range
$0.1682 - $0.1445

Stock Levels
7000 In stock
Attributes
  • Overall Height
    0.315 in
  • Distance Across Flats
    0.276 in
  • Thread Size
    M4 x 0.7
  • Colour
    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; Black; Nylon 6/6

05M050080LCNB

Price Range
$0.191 - $0.1638

Stock Levels
4000 In stock
Attributes
  • Overall Height
    0.394 in
  • Distance Across Flats
    0.315 in
  • Thread Size
    M5 x 0.8
  • Colour
    Black
  • Full Material
    Nylon 6/6