1/2-13 X 3 1/2 HEX TAP BOLT GR-8 PLN
1/2-13 X 3 1/2 HEX TAP BOLT GR 8 Z&Y MCMASTER-CARR # 92620A726
1/2-13 X 3 1/2 HEX TAP BOLT S/S
1/2-13 X 3 1/2 HEX TAP BOLT GR-2 ZINC
1/2-13 X 3 1/2 HEX TAP BOLT GR 5 ZINC