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Look for the Dots! ® Trademarked & Patented Head Markings indicate one and only genuine Zip-ins®.
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Undercut-indented hex washer slotted head always seats flush.
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Full 1/4 in. (No. 8) head will not strip out of hex driver opening at any-time during operation.
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Complete operator control with precise hole alignment.
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Combination lead double thread Instantly penetrates and engages in heavy gauge sheet metal and layered light gauge.
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Starting thread machined down to very tip of screw point.
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