Hex Cap Screw - 5/16-18 x 5/8" - Carbon Steel - Zinc CR+3 - Gr 5 - FT - UNC - 100 Pack - BBI 847072

HEX HEAD CAP SCREWS HAVE A HEXAGONAL HEAD AND ARE UNIFORMALLY THREADED FOR USE WITH A CORRESPONDING THREADED NUT OR INTO A THREADED TAPPED HOLE. MAINLY USED IN REPAIR OR CONSTRUCTION PROJECTS.