Self Drilling Screws Slotted Indented Hex Washer #3 Point Zinc Plated 5/16 x 1-1/2 inches are designed for fast, secure fastening with a built-in drill tip that eliminates pre-drilling in thin metals. The slotted drive accepts common screwdrivers, while the indented hex washer head provides a tight seal and wide bearing surface for a flush finish. The #3 point ensures efficient piercing and clean threads, reducing installation time.

These self drilling screws feature:

• 5/16 diameter x 1-1/2 inches long
• Slotted drive for easy installation with standard tools
• Indented hex washer head for a flush seating and seal
• #3 point for quick penetration
• Zinc-plated steel for corrosion resistance
• Suitable for thin gauge metal, metal-to-metal assemblies, roofing, siding, and HVAC applications

Designed for durability in challenging environments, these screws help reduce installation time and increase structural integrity in both DIY projects and professional applications. For best results, ensure proper material compatibility and follow manufacturer guidelines for material thickness and pilot hole recommendations.

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State ofCalifornia to cause cancer and birth defects or other reproductive harm. For more information go tohttps://www.P65Warnings.ca.gov.