Description
Our 12-13×1″ Self-Drilling Pancake Head Metal Roofing Clip Screws feature:
- 1000 Hour Ruspert® Coating* for corrosion resistance
- #12-13 Thread
- Combo Drive (Square/Phillips drive)
- SD3 Self-Drilling Point
*Ruspert Coating is a high grade metal surface processing technology that prevents corrosion.
It consists of three layers:
- a metallic zinc layer
- a high-grade anti-corrosion chemical conversion film
- a baked ceramic surface coating
The Advantages of the Ruspert Treatment:
- Superior corrosion resistance against salt water, gas, weathering and others
- Corrosion resistance against scratches due to composite layers
- Electrolytic corrosion resistance when used with other metals
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