1/4" x 4-1/2", 316
US Fasteners, 1/4" x 4-1/2", 316 |
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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. |
Carriage bolts & Plow boltsBolts with no drive and machine threads for use with a nut. |
Lag boltsLarge wood screws technically called lag screws. |