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ZAC® ZAC Zinc aluminum capped - EPDM sealing washer

Cold-forged ZAC® and WoodZAC® endure clamping loads, drill speeds, and moisture

Every screw detail withstands the rigors of roofing and exterior cladding, from the uncompromising point strength to the zinc alloy cap head which prevents red rust. Explore our inventory to learn why ZAC® and WoodZAC® lead the industry.
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#12 ZAC® SD3 Metal Self-Drill Screw, Zinc Alloy Capped HWH (3/8") | ZSD3-12-CHW3/8
#12 ZAC® SD3 Metal Self-Drill Screw, Zinc Alloy Capped HWH (3/8") | ZSD3-12-CHW3/8
65 variants
#12-14 ZAC® Impax SD3 (3/8") Metal to Metal Fastener
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#12 ZAC® SD3 Metal Self-Drill Screw, Zinc Alloy Capped HWH (5/16") | ZSD3-12-CHW5/16
#12 ZAC® SD3 Metal Self-Drill Screw, Zinc Alloy Capped HWH (5/16") | ZSD3-12-CHW5/16
62 variants
#12–14 ZAC® Impax SD3 Metal to Metal Fastener (5/16")
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    Support your next roofing or cladding project with the strength and mastery of ZAC® and WoodZAC® screws, backed by a limited lifetime warranty. All our screws undergo strict testing to ensure uncompromising performance, backed with the SFS long-life fastener limited warranty. Our superior standards and forward-thinking engineering are why builders the world over prefer SFS. 

    Order ZAC® or WoodZAC® roofing screws by calling 1-800-234-4533. Our team is ready to assist and answer all roofing questions!

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