Malco 7X1/2 Zip-In Self-Piercing Screws | 1/4" Slotted Hex Washer Head Sheet Metal Screws | Fast & Easy Piercing | Zinc Plated (1000 Count) Length:1/2 In. Enhance your crafting and repair

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Malco 7X1/2 Zip-In Self-Piercing Screws | 1/4" Slotted Hex Washer Head Sheet Metal Screws | Fast & Easy Piercing | Zinc Plated (1000 Count) Length:1/2 In. Enhance your crafting and repairMalco Zip In HW7X1 2ZT are self piercing sheet metal screws engineered for fast, reliable metal to metal assemblies. Featuring a 1 4" Slotted Hex Washer Head and a zinc plated finish, these screws are built to endure demanding tradesfrom ductwork and flashing to metal enclosuresdelivering strong, clean joints with fewer steps. Each 1,000count box is ready for large projects, helping you stay productive on the job site. Advanced thread design and heat