Grabber's fine thread drywall screws attach gypsum board to wood or light gauge steel. With a super sharp 23° Streaker® point and 15 threads per inch, you get quick and easy penetration into wood or 20-25 gauge metal studs. Phosphate coated for improved paint and mud adhesion. Use a standard screw gun with a depth-sensitive nose piece. Suggested screw gun specification for optimal performance - 4 amps minimum and RPM range of 0 to 4,000.