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 screw gun with a depth-sensitive nose piece. Suggested screw gun specification for optimal performance '“ 4 amps minimum and 2500 RPM.