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Drill Screws Cupped Hex Washer head - EPDM sealing washer

Employ the strength of Impax™, Flex5®, Dekfast™, and ZAC®, and other self-drill screws

Choose from alloyed, bi-metal, and stainless steel self-drilling fasteners, available in numerous dimensions. Whether you connect dissimilar metals, operate in corrosive environments, or fasten into thick steel beams, we offer the perfect drill screw. 
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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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    We present multiple lines of self-drilling screws to provide professionals with targeted solutions engineered for efficiency and long-lasting performance. Plus, you can further reinforce your fasteners with VistaCoat® premium coating. Not sure which product line of self-drilling screws to utilize? Our team can explain the varying nuances that define SX3, Flex5®, Impax™, and other fasteners to help you determine which best fits your metal-to-metal application needs. Call 1-800-234-4533 to learn more or for assistance ordering self-drilling screws.

    To learn more, read Fine thread screws versus coarse thread, Washer types: when to use which, and How to Replace Metal Roof Screws.
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