1/2-13 X 5 HEX TAP BOLT GR-2 ZINC
1/2-13 X 5 HEX TAP BOLT GR-5 PLAIN
1/2-13 X 5 HEX TAP BOLT GR-5 ZINC
1/2-13 X 5 HEX TAP BOLT GR 8 PLAIN