3/8"-16 x 1-1/2", US, 316

US Fasteners, 3/8"-16 x 1-1/2", 316
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.	Machine screws Screws with machine threads for use with a nut or in a tapped hole.
Carriage bolts & Plow bolts Bolts with no drive and machine threads for use with a nut.	Socket screws Screws with an Allen wrench drive.
Set screws Screws with no head and machine threads for use in a tapped hole.