Introducing the new ProZ SD, designed to fit securely and ensure a weather tight seal. The design of the washer head reduces overdriving and can never red rust with the zinc aluminum alloy cap. ProZ SD provides a strong cap that withstands the toughest installation conditions and is compatible with all panel finishes.
• No Red Rust – Zinc Aluminum Alloy Cap
• Self-Drilling #3, #5 and Stitch Drill Points Available
• Reduces Overdrive
• 50 Year Warranty
• Long-Lasting EPDM Washer
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