Menu Search

Cap Nuts

In stock

Cap nuts are used to cover exposed threaded stubs, rods or bolts with a dome shaped cap to provide safety and a finished look. They are offered with or without an added molded in locking thread that require added torque for a more secure assembly.

Need a quote?

For large volumes and customized products, add to your cart and click request a quote, or email sales@essentracomponents.com and we will respond in 24 hours or next business day

Filter or Search Variants

Use the filters or search below to find what you're looking for

Imperial
Metric
Hide Show Filters
Product SKUs information
Item Code Price range Availability Thread Size Distance Across Flats Color Quick View
0531218CNB
$0.1099 - $0.2502 In production
5/16-18
0.500 in
Black
0537516CNB
$0.2068 - $0.2413 In production
3/8-16
0.565 in
Black
0531224CN
$0.164 - $0.3734 11000 In stock
5/16-24
0.500 in
Natural
0531224CNB
$0.1804 - $0.4108 37000 In stock
5/16-24
0.500 in
Black
0531218LCNB
$0.1886 - $0.4295 4000 In stock
5/16-18
0.500 in
Black
0537516LCNB
$0.2408 - $0.5483 In production
3/8-16
0.565 in
Black
0500440CNB
$0.0679 - $0.0792 14000 In stock
4-40
0.250 in
Black
0500832CNB
$0.0724 - $0.0845 65000 In stock
8-32
0.330 in
Black
0501024LCNB
$0.0792 - $0.1803 2000 In stock
10-24
0.365 in
Black
0525018CN
$0.2007 - $0.4569 In production
1/4-18
0.750 in
Natural
0525020LCNB
$0.0563 - $0.1281 5500 In stock
1/4-20
0.425 in
Black
0537524CN
$0.126 - $0.147 In production
3/8-24
0.565 in
Natural
0543714CN
$0.3158 - $0.7189 In production
7/16-14
0.750 in
Natural
0550020CN
$0.2863 - $0.6519 In production
1/2-20
0.750 in
Natural
05M040070CNB
$0.0772 - $0.09 In production
M4x.7
0.276 in
Black
05M050080LCNB
$0.0876 - $0.1022 In production
M5x.8
0.315 in
Black
05M080125CN
$0.1226 - $0.143 In production
M8x1.25
0.512 in
Natural
05M120175CN
$0.2865 - $0.6523 In production
M12x1.75
0.744 in
Natural
05M200250CN
$0.5072 - $0.5918 1000 In stock
M20x2.5
1.051 in
Natural
0500632LCNB
$0.0702 - $0.1695 In production
6-32
0.305 in
Black
0501024CN
$0.0455 - $0.0531 In production
10-24
0.365 in
Natural
0501032CNB
$0.05 - $0.0584 22000 In stock
10-32
0.365 in
Black
0525020CN
$0.0512 - $0.1164 123000 In stock
1/4-20
0.425 in
Natural
0525028CNB
$0.084 - $0.1912 35500 In stock
1/4-28
0.425 in
Black
0537532CN
$0.1336 - $0.3042 In production
3/8-32
0.565 in
Natural
  • of 3
Black Nylon Domed 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

0531218CNB

Price Range
$0.2502 - $0.1099

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.500 in
  • Overall Height
    0.530 in
  • Thread Size
    5/16-18
  • Color
    Black
  • Material
    Nylon
Black Nylon Domed 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

0537516CNB

Price Range
$0.2413 - $0.2068

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.565 in
  • Overall Height
    0.620 in
  • Thread Size
    3/8-16
  • Color
    Black
  • Material
    Nylon
Natural Nylon Domed 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

0531224CN

Price Range
$0.3734 - $0.164

Stock Levels
11000 In stock
Attributes
  • Distance Across Flats
    0.500 in
  • Overall Height
    0.530 in
  • Thread Size
    5/16-24
  • Color
    Natural
  • Material
    Nylon
Black Nylon Domed 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

0531224CNB

Price Range
$0.4108 - $0.1804

Stock Levels
37000 In stock
Attributes
  • Distance Across Flats
    0.500 in
  • Overall Height
    0.530 in
  • Thread Size
    5/16-24
  • Color
    Black
  • Material
    Nylon
Black Nylon Locking 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

0531218LCNB

Price Range
$0.4295 - $0.1886

Stock Levels
4000 In stock
Attributes
  • Distance Across Flats
    0.500 in
  • Overall Height
    0.530 in
  • Thread Size
    5/16-18
  • Color
    Black
  • Material
    Nylon
Black Nylon Locking 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

0537516LCNB

Price Range
$0.5483 - $0.2408

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.565 in
  • Overall Height
    0.620 in
  • Thread Size
    3/8-16
  • Color
    Black
  • Material
    Nylon
Black Nylon Domed Hexagonal Cap Nut - Thread Size 4-40; Distance Across Flats 6.4 mm | 0.250 in; Overall Height 7.1 mm | 0.280 in

0500440CNB

Price Range
$0.0792 - $0.0679

Stock Levels
14000 In stock
Attributes
  • Distance Across Flats
    0.250 in
  • Overall Height
    0.280 in
  • Thread Size
    4-40
  • Color
    Black
  • Material
    Nylon
Black Nylon Domed Hexagonal Cap Nut - Thread Size 8-32; Distance Across Flats 8.4 mm | 0.330 in; Overall Height 9.5 mm | 0.375 in

0500832CNB

Price Range
$0.0845 - $0.0724

Stock Levels
65000 In stock
Attributes
  • Distance Across Flats
    0.330 in
  • Overall Height
    0.375 in
  • Thread Size
    8-32
  • Color
    Black
  • Material
    Nylon
Black Nylon Locking Hexagonal Cap Nut - Thread Size 10-24; Distance Across Flats 9.3 mm | 0.365 in; Overall Height 10.2 mm | 0.400 in

0501024LCNB

Price Range
$0.1803 - $0.0792

Stock Levels
2000 In stock
Attributes
  • Distance Across Flats
    0.365 in
  • Overall Height
    0.400 in
  • Thread Size
    10-24
  • Color
    Black
  • Material
    Nylon
Natural Nylon Domed Hexagonal Cap Nut - Thread Size 1/4-18; Distance Across Flats 19.1 mm | 0.750 in; Overall Height 20.6 mm | 0.810 in

0525018CN

Price Range
$0.4569 - $0.2007

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.750 in
  • Overall Height
    0.810 in
  • Thread Size
    1/4-18
  • Color
    Natural
  • Material
    Nylon
Black Nylon Locking 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

0525020LCNB

Price Range
$0.1281 - $0.0563

Stock Levels
5500 In stock
Attributes
  • Distance Across Flats
    0.425 in
  • Overall Height
    0.475 in
  • Thread Size
    1/4-20
  • Color
    Black
  • Material
    Nylon
Natural Nylon Domed 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

0537524CN

Price Range
$0.147 - $0.126

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.565 in
  • Overall Height
    0.620 in
  • Thread Size
    3/8-24
  • Color
    Natural
  • Material
    Nylon
Natural Nylon Domed 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

0543714CN

Price Range
$0.7189 - $0.3158

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.750 in
  • Overall Height
    0.810 in
  • Thread Size
    7/16-14
  • Color
    Natural
  • Material
    Nylon
Natural Nylon Domed 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

0550020CN

Price Range
$0.6519 - $0.2863

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.750 in
  • Overall Height
    0.810 in
  • Thread Size
    1/2-20
  • Color
    Natural
  • Material
    Nylon
Black Nylon Locking Hexagonal Cap Nut - Thread Size M4x.7; Distance Across Flats 7.0 mm | 0.276 in; Overall Height 8.0 mm | 0.315 in

05M040070CNB

Price Range
$0.09 - $0.0772

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.276 in
  • Overall Height
    0.315 in
  • Thread Size
    M4x.7
  • Color
    Black
  • Material
    Nylon
Black Nylon Locking Hexagonal Cap Nut - Thread Size M5x.8; Distance Across Flats 8.0 mm | 0.315 in; Overall Height 10.0 mm | 0.394 in

05M050080LCNB

Price Range
$0.1022 - $0.0876

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.315 in
  • Overall Height
    0.394 in
  • Thread Size
    M5x.8
  • Color
    Black
  • Material
    Nylon
Natural Nylon Domed Hexagonal Cap Nut - Thread Size M8x1.25; Distance Across Flats 13.0 mm | 0.512 in; Overall Height 15.0 mm | 0.591 in

05M080125CN

Price Range
$0.143 - $0.1226

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.512 in
  • Overall Height
    0.591 in
  • Thread Size
    M8x1.25
  • Color
    Natural
  • Material
    Nylon
Natural Nylon Domed Hexagonal Cap Nut - Thread Size M12x1.75; Distance Across Flats 18.9 mm | 0.744 in; Overall Height 20.5 mm | 0.807 in

05M120175CN

Price Range
$0.6523 - $0.2865

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.744 in
  • Overall Height
    0.807 in
  • Thread Size
    M12x1.75
  • Color
    Natural
  • Material
    Nylon
Natural Nylon Domed Hexagonal Cap Nut - Thread Size M20x2.5; Distance Across Flats 26.7 mm | 1.051 in; Overall Height 29.1 mm | 1.146 in

05M200250CN

Price Range
$0.5918 - $0.5072

Stock Levels
1000 In stock
Attributes
  • Distance Across Flats
    1.051 in
  • Overall Height
    1.146 in
  • Thread Size
    M20x2.5
  • Color
    Natural
  • Material
    Nylon
Black Nylon Locking Hexagonal Cap Nut - Thread Size 6-32; Distance Across Flats 7.7 mm | 0.305 in; Overall Height 8.8 mm | 0.345 in

0500632LCNB

Price Range
$0.1695 - $0.0702

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.305 in
  • Overall Height
    0.345 in
  • Thread Size
    6-32
  • Color
    Black
  • Material
    Nylon
Natural Nylon Domed Hexagonal Cap Nut - Thread Size 10-24; Distance Across Flats 9.3 mm | 0.365 in; Overall Height 10.2 mm | 0.400 in

0501024CN

Price Range
$0.0531 - $0.0455

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.365 in
  • Overall Height
    0.400 in
  • Thread Size
    10-24
  • Color
    Natural
  • Material
    Nylon
Black Nylon Domed Hexagonal Cap Nut - Thread Size 10-32; Distance Across Flats 9.3 mm | 0.365 in; Overall Height 10.2 mm | 0.400 in

0501032CNB

Price Range
$0.0584 - $0.05

Stock Levels
22000 In stock
Attributes
  • Distance Across Flats
    0.365 in
  • Overall Height
    0.400 in
  • Thread Size
    10-32
  • Color
    Black
  • Material
    Nylon
Natural Nylon Domed 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

0525020CN

Price Range
$0.1164 - $0.0512

Stock Levels
123000 In stock
Attributes
  • Distance Across Flats
    0.425 in
  • Overall Height
    0.475 in
  • Thread Size
    1/4-20
  • Color
    Natural
  • Material
    Nylon
Black Nylon Domed 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

0525028CNB

Price Range
$0.1912 - $0.084

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

0537532CN

Price Range
$0.3042 - $0.1336

Stock Levels
In production
Attributes
  • Distance Across Flats
    0.565 in
  • Overall Height
    0.620 in
  • Thread Size
    3/8-32
  • Color
    Natural
  • Material
    Nylon