Self Drilling Screws For Metal With Hex Washer Head, Size Eight By One And A Half Inches, 410 Stainless Steel Magnetic Built Tough Heavy Duty High Strength Self Tapping Tek Screws For HVAC Roofing Wood To Steel With Waterproof Washers

Self-drilling hex washer screws, 410 stainless, 1.5 in length
✔️ Diameter #8, 1-1/2 in length, coarse thread, 80 pcs, magnetic

These heavy-duty self drilling screws are built for tough metal-to-wood and metal-to-metal fastening, ideal for HVAC, roofing, and steel framing. The 410 stainless steel offers corrosion resistance and magnetic handling, while waterproof washers provide a weather-tight seal in outdoor setups.

✅ Diameter: #8 (0.164 in / 4.17 mm)
✅ Length: 1-1/2 in (38.1 mm)
✅ Thread: Coarse (standard)
✅ Head: Hex washer, 1/4 in hex drive
✅ Material: 410 stainless steel, magnetic
✅ Waterproof washers included for weather sealing
✅ Pack: 80 screws per pack

💡 What is a self drilling hex washer head screw used for in metal roofing and HVAC installations?

It's handy for fast, secure joins in harsh outdoor settings.

- Useful for metal-to-wood and metal-to-metal joins - Seals with waterproof washers for weather resistance - Great for HVAC panels, roofing sheets, and steel framing - Magnetic handling aids quick alignment