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The Malco HW8X3/4Z Zip-In Screws are crafted for HVAC professionals needing reliable fasteners. These screws feature a unique thread design that provides superior penetration power. Made from high-quality materials, they are designed for fastening heavier gauges of sheet metal efficiently.
Malco HW8X3/4Z Zip-In Screws are ideal for HVAC metal duct fastening. The unique heat-treated design ensures durability and strength. These self-piercing screws offer faster driving speeds and greater capacity for heavier metal gauges.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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