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US, External hex, 4-1/2"

US Fasteners, External hex, 4-1/2"

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.

Lag bolt

Lag bolts

Large wood screws technically called lag screws.

Simpson® SDWH Timber hex HDG screws

Deck screws & Timber screws

Screws for wood to wood fastening applications such as decks, docks and ledgers, etc.