1/4" x 2-3/4"

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.
Flange bolts

Flange bolts

Flange bolts have a flange on the bottom of the head that distributes the load like a washer.
Machine screw

Machine screws

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

Socket screws

Screws with an allen wrench drive.
Set screw

Set screws

Screws with no head and machine threads for use in a tapped hole.
Hanger bolts & Dowel screws

Hanger bolts & Dowel screws

Hanger bolts and dowel screws are used for adding an external machine or screw thread to wood applications.
Anchors

Anchoring products

Fasteners for anchoring in stone, concrete, brick, and drywall, etc.
Eye bolts

Eye bolts & Screw eyes

Bolts or screws with a circular ring on the head.