Malco Zip-In Self-Piercing Screws | 5/16" Slotted Hex Washer Head Sheet Metal Screws | Type A Single Thread | Zinc Plated (250, #10 x 1-1/2") Bundle Simpson Strong-Tie products are engineered

Simpson Strong-Tie products are engineered to withstand the rigors of any project

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Malco Zip-In Self-Piercing Screws | 5/16" Slotted Hex Washer Head Sheet Metal Screws | Type A Single Thread | Zinc Plated (250, #10 x 1-1/2") Bundle Simpson Strong-Tie products are engineeredMeet Malco Zip In Self Piercing Screwsthe dependable fastener designed for fast, clean sheet metal assemblies. Built as a Type A, single thread drill in screw, these fasteners deliver a decisive bite that drives through metal with steady, predictable performance. The 5 16 in. slotted hex washer head sits flush and provides a solid, even bearing surface, while the zinc plated finish guards against corrosion in both indoor and outdoor environments. 5