1/2-20 X 3 1/2 HEX CAP SCREW GR 8 PLAIN
1/2-20 X 3 1/2 HEX CAP SCREW GR 8 Z&Y
1/2-20 X 3 1/2 HEX CAP SCREW GR 8 ZINC
1/2-20 X 3 1/2 HEX CAP SCREW S/S