11, 1-1/4"

US Fasteners, 11, 1-1/4"
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 have a flange on the bottom of the head that distributes the load like a washer.
Machine screws Screws with machine threads for use with a nut or in a tapped hole.	Socket screws Screws with an Allen wrench drive.
Set screws Screws with no head and machine threads for use in a tapped hole.	Nuts Nuts have internal machine threads, for use with machine thread bolts and screws.
Eye bolts & Screw eyes Bolts or screws with a circular ring on the head.	Shoulder bolts Screws with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolts.