5/16"-18 x 1-3/4", US, Stainless steel

US Fasteners, 5/16"-18 x 1-3/4", Stainless steel
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.	Elevator bolts Bolts with a very large flat head and machine threads for use with a nut.