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The MALCO HW7X1/2ZCLG is a painted sheet metal screw designed for fastening applications, particularly in HVAC metal ductwork. These screws feature a unique thread design and a sophisticated heat treat process, allowing for a sharp, strong point that penetrates and engages quickly. With a 1/4 inch slotted hex head and a 1/2 inch length, they are engineered for faster driving and efficient fastening of sheet metal.
Efficient sheet metal fastening with a sharp, self-piercing point and 1/4 inch hex head.
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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