Pro-Twist® High Hex Washer Head Screws are designed for metal to metal fastening with heavy gauge metal up to 3/8 in. thick with extra strength from high hex head. Commonly used in HVAC ductwork assembly and sheet metal construction. Zinc plated for enhanced corrosion resistance. 5/16 in. 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 high hex washer head screws for heavy gauge metal to metal fastening
- Made from high carbon steel for strength and durability
- For penetrating multiple layers of light gauge steel