F A C External Flange Hex-Head Zinc Coated-Self-Drilling Screws with Self Sealing Neoprene Washers in Variable Sizes (100, 5.5 x 55mm) - Product Features
- Use for metal-to-metal fastening in light to heavy (14-20 gauge) material
- Made of hardened steel
- Zinc-plated fasteners
- Hex washer head I Self Sealing washer for water proof applications
- Used to install corrugated roofing and siding