Teks 9 x 1-1/2 in. Zinc-Plated Steel Hex-Washer-Head Roofing Screws (400-Pack) provide secure metal-to-wood fastening and strong holding power without pre-drilling. The sharp self-piercing point is ideal for fastening corrugated roofing panels to wood structures. A self-sealing EPDM washer provides a waterproof seal and a premium finish provides exceptional corrosion resistance in harsh outdoor environments. Installs with a standard screw gun and a 1/4 in. hex drive bit.

• Ideal for metal to wood applications and provides exceptional corrosion resistance especially when fastening roofing panels to wood structures
• Self-sealing EPDM washer provides a waterproof seal in harsh outdoor environments
• High performance drive surfaces and hex head reduce camp-outs to penetrate surface the first time for easy installation
• Zinc based with Thermalset polyesther metal filled coating (metal in coating is zinc)
• Precise sharp point designed to drill, tap and fasten all in 1 motion
• No pre-drilling necessary
• Provides secure fastening with strong holding power
• Highly versatile
• Common project applications: corrugated roofing, HVAC, steel stud framing, gutters, flashing for corrugated roofing and register vents