External hex, Steel, 5/8"-18
US Fasteners, External hex, Steel, 5/8"-18 |
|
---|---|
Hex boltsBolts 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 boltsFlange bolts have a flange on the bottom of the head that distributes the load like a washer. |