Pro-Twist® Self-Drilling Hex Washer Head Screws are designed for metal to metal fastening with heavy gauge metal. Commonly used to attach purlins and channels to structural steel studs and in HVAC and ductwork. Zinc plated for enhanced corrosion resistance. Hex drive allows for a strong connection between tooltip and fastener for high torque during driving. #3 drill point pierces through metal substrates and fine threads provide a secure connection in metal to metal applications.
HIGHLIGHTS
- Zinc plated hex washer head screws for heavy gauge metal attachment
- Made from high carbon steel for strength and durability
- For heavy gauge sheet metal applications up to 3/8 in. thick
