Grabber coarse thread drywall screws feature super-sharp points and threads for quick penetration into drywall and wood. Grabber coarse thread screws are ideal for drywall installation and many other interior wood fastening applications. Phosphate coated for improved paint and mud adhesion. Use a standard screwgun with a depth-sensitive nose piece. Suggested screwgun specification for optimal performance '“ 4 amps minimum and 2500 RPM.