Thanksgiving Schedule
Bolt Depot is closed for Thanksgiving. Orders placed over the holiday will ship on Friday November 27th.

COVID-19 Update:
Bolt Depot is currently shipping orders. Delays by our carriers are possible, including express shipping options. Special procedures are in place for customer pickups. For more details, see our COVID-19 Response.

5/16" x 3-1/2", US, Zinc plated steel, Round

US Fasteners

Machine screws slotted round head

Machine screws

Screws with machine threads for use with a nut or in a tapped hole.