Bullet10
Ultra sharp tapered point will not mushroom, break or walk.
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Starting thread machined down to very tip of screw point.
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Look for the Dots! ® Trademarked & Patented Head Markings indicate one and only genuine Zip-ins®.
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A unique thread design and quality controlled manufacture spell the Zip-in® difference.
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Zip-in''s® sophisticated heat treat process allows the screw to taper to a fine, sharp point without sacrificing critical point strength.
Bullet9
Zip-in®screws are faster driving, with a greater capacity for fastening heavier gauges of sheet metal than any other self-drilling type.
Description
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