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.
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Use the filters or search below to find what you're looking for
Price range | Availability | Thread Size | Distance Across Flats | Colour | Nut Form | Overall Height | View | |
---|---|---|---|---|---|---|---|---|
$0.1116 - $0.1301 | Request the lead time here |
#4-40
|
0.250 in
6.4 mm
|
Natural
|
Dome
|
0.280 in
7.1 mm
|
||
$0.245 - $0.336 | 500 In stock |
5/16-18
|
0.500 in
12.7 mm
|
Black
|
|
0.530 in
13.5 mm
|
||
$0.4349 - $0.9902 | 3000 In stock |
3/8-16
|
0.565 in
14.4 mm
|
Black
|
|
0.620 in
15.7 mm
|
||
$0.2343 - $0.3213 | 36500 In stock |
5/16-24
|
0.500 in
12.7 mm
|
Black
|
Dome
|
0.530 in
13.5 mm
|
||
$0.1427 - $0.1956 | 12500 In stock |
5/16-18
|
0.500 in
12.7 mm
|
Black
|
Dome
|
0.530 in
13.5 mm
|
||
$0.3734 - $0.4358 | 18000 In stock |
3/8-16
|
0.565 in
14.4 mm
|
Black
|
Dome
|
0.620 in
15.7 mm
|
||
$0.2129 - $0.2921 | 3000 In stock |
5/16-24
|
0.500 in
12.7 mm
|
Natural
|
Dome
|
0.530 in
13.5 mm
|
||
$0.1152 - $0.1344 | Request the lead time here |
#6-32
|
0.305 in
7.7 mm
|
Natural
|
Dome
|
0.345 in
8.8 mm
|
||
$0.2613 - $0.3585 | 1000 In stock |
M10 x 1.5
|
0.669 in
17.0 mm
|
Natural
|
Dome
|
0.709 in
18.0 mm
|
||
$0.5879 - $0.8063 | 250 In stock |
M16 x 2.0
|
0.933 in
23.7 mm
|
Natural
|
Dome
|
0.976 in
24.8 mm
|
||
$0.099 - $0.1359 | Request the lead time here |
1/4-28
|
0.425 in
10.8 mm
|
Natural
|
Dome
|
0.475 in
12.1 mm
|
||
$0.1226 - $0.1431 | 5000 In stock |
#4-40
|
0.250 in
6.4 mm
|
Black
|
Dome
|
0.280 in
7.1 mm
|
||
$0.1308 - $0.1526 | 12000 In stock |
#8-32
|
0.330 in
8.4 mm
|
Black
|
Dome
|
0.375 in
9.5 mm
|
||
$0.1268 - $0.1479 | 4000 In stock |
M4 x 0.7
|
0.276 in
7.0 mm
|
Natural
|
Dome
|
0.315 in
8.0 mm
|
||
$0.2874 - $0.3944 | 35000 In stock |
M10 x 1.5
|
0.669 in
17.0 mm
|
Black
|
Dome
|
0.709 in
18.0 mm
|
||
$0.1346 - $0.3062 | Request the lead time here |
#6-32
|
0.305 in
7.7 mm
|
Black
|
|
0.345 in
8.8 mm
|
||
$0.0912 - $0.1053 | 6000 In stock |
#10-32
|
0.365 in
9.3 mm
|
Black
|
Dome
|
0.400 in
10.2 mm
|
||
$0.1518 - $0.3455 | 35500 In stock |
1/4-28
|
0.425 in
10.8 mm
|
Black
|
Dome
|
0.475 in
12.1 mm
|
||
$0.1734 - $0.2379 | 500 In stock |
3/8-32
|
0.565 in
14.4 mm
|
Natural
|
Dome
|
0.620 in
15.7 mm
|
||
$0.3717 - $0.5099 | 3500 In stock |
1/2-13
|
0.750 in
19.1 mm
|
Natural
|
Dome
|
0.810 in
20.6 mm
|
||
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