The flat socket head enables driving where there is not sufficient space for wrenches or sockets, and allows the screw head to sit flush with the surface
| Type | Cap Screw |
| Style | Flat Head Socket |
| Size | 5/16"-18 |
| Length | 1-1/2" |
| Material | Carbon Steel |
| Specifications | ANSI B18.3, ASTM A574 |
| Tensile Strength | 180,000 PSI |
| Thread Type | USS, UNC |
