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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 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.

Features:
  • Undercut-indented hex washer slotted head
  • Bright Zinc Plated
  • Burr Free
  • Full 1/4" (no. 8) head will not strip out of hex driver opening
  • One 1/4" hex driver accommodates all sizes
  • Undercut - always seats flush
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Specs
Type:

Screw

Length (Inches):

3/8"

Size:

1/4"

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