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Provides secure weather-sealing metal-to-metal fastening with strong holding power without the need to pre-drill. Engineered drill-point and flute remove material efficiently and properly size the hole for threads. Ideal for fastening thicker gauge 20-12-Gauge exterior metal to metal where a sealing washer is needed.
- Drive surface and recess reduces cam-outs to prevent slipping during installation
- Sharp points self-pierces into light gauge metal to start drilling faster
- Corrosion-resistant finish protects the job’s appearance with long lasting coating
- Roofing screws feature a neoprene washer that provides a waterproof seal
- Self-tapping threads taps their own threads to provide less effort when fastening into metal