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The Malco BT133X is a self-drilling screw manufactured by Malco Products Inc. This screw features a #8-18 thread size and is designed for improved fastening performance. It has a hex washer head and a 1/4 inch drive size, making it easy to use with standard power tools.
This product is suitable for applications involving structural or layered metal, providing a reliable option for ductwork and other installations.
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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