Memorial Day
Bolt Depot is closed for Memorial Day. Orders placed over the holiday will ship on Tuesday May 31st.

5/16" x 1-1/2", US, External hex, 316

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.
Lag bolt

Lag bolts

Large wood screws technically called lag screws.