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The Malco HW8X1Z-500 Zip-in Screws are designed for HVAC metal duct fastening. These #8 thread, 1 in. long screws feature a unique thread design and are manufactured with a heat treat process for a fine, sharp point. They are faster driving and can fasten heavier gauges of sheet metal. Use with a Malco C-RHEX Cleanable, Reversible Dual Sided Hex Driver for optimal performance.
Malco Zip-in screws offer superior quality for HVAC metal duct fastening. They feature a unique thread design and are heat treated for strength and penetrating power.
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