4-1/4", 13, 18-8
US Fasteners, 4-1/4", 13, 18-8 |
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Hex boltsBolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts. |
Anchoring productsFasteners for anchoring in stone, concrete, brick and drywall, etc. |
Shoulder boltsScrews with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolts. |