- Prevents weld arc and premature welder misfire
- Completely insulates the fastening bolt
- Steel washer molded inside the cap allows higher torque values and superior bolt retention
- Replaces Micarta, fiberglass and red fiber washers
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| Part# |
Available Sizes |
| FSD-705-57 |
1/4" socket head bolt |
| FSD-15135 |
5/16" socket head bolt |
| FSD-15057 |
3/8" socket head bolt |
| FSD-15058 |
1/2" socket head bolt |
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