Primesource Sdz114 Drywall Screw

And Pro-Twist fasteners from PrimeSource are made with high-carbon-content steel for a sharper, stronger point. With Pro-Twist fasteners, you always get faster, easier penetration and less installer fatigue. Pro-Twist fasteners meet very stringent manufacturing standards to meet the demands of the steel framing and drywall industry. And after manufacture, they are tested three times to ensure hardness, strength, correct dimensions and lightning-fast penetration time.