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 | |
|---|---|---|---|---|---|---|---|---|
| $0.1488 - $0.1737 | 9000 In stock |
M5 x 0.8
|
0.315 in
8.0 mm
|
Natural
|
Dome
|
0.394 in
10.0 mm
|
||
| $0.1155 - $0.1346 | 13000 In stock |
#4-40
|
0.250 in
6.4 mm
|
Natural
|
Dome
|
0.280 in
7.1 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
|
||
| $0.1476 - $0.2025 | 18000 In stock |
5/16-18
|
0.500 in
12.7 mm
|
Black
|
Dome
|
0.530 in
13.5 mm
|
||
| $0.45 - $1.0248 | 3000 In stock |
3/8-16
|
0.565 in
14.4 mm
|
Black
|
|
0.620 in
15.7 mm
|
||
| $0.2426 - $0.3326 | 36500 In stock |
5/16-24
|
0.500 in
12.7 mm
|
Black
|
Dome
|
0.530 in
13.5 mm
|
||
| $0.3864 - $0.4511 | 1000 In stock |
3/8-16
|
0.565 in
14.4 mm
|
Black
|
Dome
|
0.620 in
15.7 mm
|
||
| $0.2535 - $0.3477 | 500 In stock |
5/16-18
|
0.500 in
12.7 mm
|
Black
|
|
0.530 in
13.5 mm
|
||
| $0.1346 - $0.3063 | 500 In stock |
#4-40
|
0.250 in
6.4 mm
|
Black
|
|
0.280 in
7.1 mm
|
||
| $0.1193 - $0.1391 | 41000 In stock |
#6-32
|
0.305 in
7.7 mm
|
Natural
|
Dome
|
0.345 in
8.8 mm
|
||
| $0.0881 - $0.1206 | 5500 In stock |
#4-40
|
0.250 in
6.4 mm
|
Natural
|
|
0.280 in
7.1 mm
|
||
| $0.0968 - $0.1326 | 2500 In stock |
#10-32
|
0.365 in
9.3 mm
|
Natural
|
|
0.400 in
10.2 mm
|
||
| $0.2942 - $0.4035 | 4500 In stock |
3/8-16
|
0.565 in
14.4 mm
|
Natural
|
|
0.620 in
15.7 mm
|
||
| $0.0968 - $0.1326 | 2000 In stock |
#10-24
|
0.365 in
9.3 mm
|
Natural
|
|
0.400 in
10.2 mm
|
||
| $0.1269 - $0.1481 | 4000 In stock |
#4-40
|
0.250 in
6.4 mm
|
Black
|
Dome
|
0.280 in
7.1 mm
|
||
| $0.1355 - $0.158 | 7000 In stock |
#8-32
|
0.330 in
8.4 mm
|
Black
|
Dome
|
0.375 in
9.5 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
|
||
| $0.2291 - $0.2673 | Request the lead time here |
M8 x 1.25
|
0.512 in
13.0 mm
|
Natural
|
Dome
|
0.591 in
15.0 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
|
||
| $0.4233 - $0.5805 | 10000 In stock |
1/2-13
|
0.750 in
19.1 mm
|
Black
|
Dome
|
0.810 in
20.6 mm
|
||
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