3/8-16X1 1/4 Light Series Cold Forged Wing Screw Full Thread Type A Zinc (Pack Qty 200) BC-3720WA

For use in applications where the fastener is frequently adjusted and where tightening torque greater than that achieved with finger pressure is not required. Greater torque can be applied manually turning a wing screw than a thumb screw because of the wider head. The case-hardened shank of the Type-A wing screw gives the threads greater resistance to abrasion than other low carbon wing screws. Carbon steel (the shank is case-hardened)