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 | |
|---|---|---|---|---|---|---|---|---|
| $0.1355 - $0.158 | 2000 In stock |
M5 x 0.8
|
0.315 in
8.0 mm
|
Natural
|
Dome
|
0.394 in
10.0 mm
|
||
| $0.2705 - $0.3711 | Request the lead time here |
M10 x 1.5
|
0.669 in
17.0 mm
|
Natural
|
Dome
|
0.709 in
18.0 mm
|
||
| $0.4125 - $0.9395 | 1000 In stock |
1/4-18
|
0.750 in
19.1 mm
|
Black
|
Dome
|
0.810 in
20.6 mm
|
||
| $0.1025 - $0.1407 | 3000 In stock |
1/4-28
|
0.425 in
10.8 mm
|
Natural
|
Dome
|
0.475 in
12.1 mm
|
||
| $0.3851 - $0.528 | 2000 In stock |
M12 x 1.75
|
0.744 in
18.9 mm
|
Natural
|
Dome
|
0.807 in
20.5 mm
|
||
| $0.9483 - $1.1061 | 1000 In stock |
M20 x 2.5
|
1.051 in
26.7 mm
|
Natural
|
Dome
|
1.146 in
29.1 mm
|
||
| $0.1481 - $0.1727 | 4000 In stock |
M6 x 1.0
|
0.394 in
10.0 mm
|
Natural
|
Dome
|
0.472 in
12.0 mm
|
||
| $0.2523 - $0.294 | 10000 In stock |
M8 x 1.25
|
0.512 in
13.0 mm
|
Black
|
Dome
|
0.591 in
15.0 mm
|
||
| $0.1571 - $0.3576 | 35500 In stock |
1/4-28
|
0.425 in
10.8 mm
|
Black
|
Dome
|
0.475 in
12.1 mm
|
||
| $0.3848 - $0.5277 | 3000 In stock |
1/2-13
|
0.750 in
19.1 mm
|
Natural
|
Dome
|
0.810 in
20.6 mm
|
||
| $0.1632 - $0.1902 | 9000 In stock |
M6 x 1.0
|
0.394 in
10.0 mm
|
Black
|
Dome
|
0.472 in
12.0 mm
|
||
| $0.1476 - $0.2025 | 18000 In stock |
5/16-18
|
0.500 in
12.7 mm
|
Black
|
Dome
|
0.530 in
13.5 mm
|
||
| $0.3864 - $0.4511 | 33000 In stock |
3/8-16
|
0.565 in
14.4 mm
|
Black
|
Dome
|
0.620 in
15.7 mm
|
||
| $0.2204 - $0.3023 | 1500 In stock |
5/16-24
|
0.500 in
12.7 mm
|
Natural
|
Dome
|
0.530 in
13.5 mm
|
||
| $0.275 - $0.6255 | 2000 In stock |
3/8-32
|
0.565 in
14.4 mm
|
Black
|
Dome
|
0.620 in
15.7 mm
|
||
| $0.2697 - $0.3699 | 4500 In stock |
1/4-18
|
0.750 in
19.1 mm
|
Natural
|
Dome
|
0.810 in
20.6 mm
|
||
| $0.0756 - $0.1037 | 2000 In stock |
1/4-20
|
0.425 in
10.8 mm
|
Black
|
|
0.475 in
12.1 mm
|
||
| $0.2355 - $0.275 | 2000 In stock |
3/8-24
|
0.565 in
14.4 mm
|
Natural
|
Dome
|
0.620 in
15.7 mm
|
||
| $0.1445 - $0.1682 | 7000 In stock |
M4 x 0.7
|
0.276 in
7.0 mm
|
Black
|
Dome
|
0.315 in
8.0 mm
|
||
| $0.1638 - $0.191 | 4000 In stock |
M5 x 0.8
|
0.315 in
8.0 mm
|
Black
|
|
0.394 in
10.0 mm
|
||
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