Teks#12 x 3/4 in. External Hex Washer Head Self Drilling Drill Point Roofing Screw (90-Pack) (21408)

About This Product
Teks 12 x 3/4 in. External Hex Washer Head Self-Drilling Drill Point Roofing Screws (90-Pack) provide strong metal-to-metal fastening without the need for pre-drilling. The engineered drill point and flute effectively remove material to properly size the hole for threads. Perfect for attaching roofing and wall panels to steel framing. The self-sealing EPDM washer creates a waterproof seal, while the premium finish offers excellent corrosion resistance in harsh outdoor conditions. Install using a standard screw gun and a 5/16 in. hex drive bit.

Highlights

• Ideal for metal-to-wood applications with exceptional corrosion resistance, especially when fastening roofing panels to wood structures
• Self-sealing EPDM washer ensures a waterproof seal for durability in harsh outdoor environments
• High-performance drive surfaces and hex head reduce cam-outs, enabling easy installation with a first-time penetration
• Zinc-based coating with a Thermalset polyester metal-filled finish for added protection
• Precise drill point allows drilling, tapping, and fastening in one motion
• No pre-drilling required
• Provides secure fastening with strong holding power
• Highly versatile for various applications
• Common uses: corrugated roofing, HVAC, steel stud framing, gutters, flashing for corrugated roofing, and register vents