5/8"-11 x 4-1/2", Steel, External hex
US Fasteners, 5/8"-11 x 4-1/2", Steel, External hex |
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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. |
Flange boltsFlange bolts have a flange on the bottom of the head that distributes the load like a washer. |