Self tapping screw DIN 7050 (EX 7982) countersunk pozi type AB 3.5 x 13 (6g x ½”) , bright zinc plated 2,000,000 pcs. Self tapping screw BS 4174 flange head pozi type AB 3.5 x 13 (6g x ½”) bright zinc plated 1,100,000 pcs. We can accept small boxed or bulk