Special tungsten carbide tip

5/16 x 12 ITM SDS Plus Hammer Drill Bit

14 x 7 ThruLOK® Screw Bolt Fastening System (24)

1/2 x 24 ITM SDS Plus Hammer Drill Bit

1-8 x 2 3/4 Flat Socket Cap Screw Alloy

6 x 1 5/8 Phillips Bugle Hi-Low Drywall Screws Phosphate - Carton (5000) 18" Aircraft Bits - Fractional Special tungsten carbide tip6 x 1 5 8 Phillips Bugle Hi Low Drywall Screws Phosphate Coated Carton (5000) . Intercorp Strong Point hi low thread drywall screws are designed to attach gypsum board to both wood or steel studs. Meets ASTM A510 for carbon steel manufacturing. Meets ASTM C1002 for attaching gypsum board to wood or steel studs.