5/8 11 × 4 HEAVY HEX BOLT B7 ZINC
5/8-11 X 4 HEAVY HEX BOLT A193 B7
5/8-11 X 4 HEAVY HEX BOLT B-7 FK FLUOROKOTE #1
5/8-11 X 4 HEAVY HEX BOLT A193 B7 ZINC
5/8-11 X 4 HEAVY HEX BOLT A307 GR-B PLAIN