5/16-18 X 1 SLOT ROUND HD M/S S/S BLK OX
5/16-18 X 1 SLOT ROUND HEAD M/S ZINC
5/16-18 X 1 SL ROUND HD M/S 316 S/S
5/16-18 X 1 SLOT ROUND HEAD M/S BRASS
5/16-18 X 1 SLOT ROUND HEAD M/S NYLON