Power Pro cement board screws are ideal for fastening cement board to wood or light-gauge metal studs. These screws work great in all cement board brands. You can use Power Pro cement board screws for a variety of projects including bathtubs/showers, countertops and flooring applications. These screws feature a textured surface for improved mortar adhesion. The T20 star drive and free included Pro-Stik bit prevent cam-out and increase stability while driving. A special ribbed design under the screw head countersinks for flush, crack-resistant seating in board. The unique thread design drives faster and easier than other screws. Power Pro cement board screws also feature a self-piercing point and 1000-hour gray ceramic coating for superior corrosion protection. Recommended for use with treated lumber. This variant attaches up to six (6) cement boards and features a wafer-style head, as well as a #9 thickness and length of 1-5/8-in.
- 140 pieces per package 
- Conforms to ANSI A108.11 specifications for cement board installation 
- Works great in all cement board brands 
- Drives into wood and/or metal studs 
- High-low thread design drives clean and fast through dense cement board material 
- No pre-drilling required for installation 
- Limited lifetime guarantee against rust and corrosion 
- Comes with a free T20 Prostik bit, offering stable driving and one hand operation