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Filters: Grade 8 2-1/2" 18 External hex Remove All

Grade 8, 2-1/2", 18, External hex

US Fasteners
Hex bolt

Hex bolts

Bolts 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 bolts

Flange bolts

Flange bolts have a flange on the bottom of the head that distributes the load like a washer.