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Malco HW8X1/2ZT
Malco HW8X1/2ZT
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Malco HW8X1/2ZT Self-Piercing Screw,1/2 In,PK1000
- Full 1/4-inch (no. 8) head will not strip out of Hex Driver opening
- Instantly penetrates and engages in heavy gauge sheet metal and layered light gauge
- Sharp tapered point will not walk, mushroom or break
A unique thread design and quality controlled manufacture spell the zip-in difference. Zip-In’s sophisticated heat treat process allows the screw to taper to a fine, sharp point without sacrificing critical point strength. A single starting thread is formed down to the very tip of the point and is the source of zip-In’s penetrating power. A second thread above the point engages after initial penetration and drills in the screw double fast. Zip-in screws are faster driving, with a greater capacity for fastening heavier gauges of sheet metal than any other self-piercing type.
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