384zipinline1small.jpg 384zipin2small.jpg 384zipinx3small.jpg 384zipinx2small.jpg Zipin Sheet Metal Screws

Zip-In - Automotive

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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.


Catalog # Description Head size Package Size Available
HW8x3/4ZT Zip-In 1/4 in. Tubs
HW6x3/8ZRBT Zip-In 1/4 in. Tubs
HW6x3/8WT Zip-In 1/4 in. Tubs

Consult Malco Suggested Trade Prices for specific package quantities available for each screw size. Count on Malco for full, accurate piece counts in every ZIP-In package you buy.


  • 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
  • Some screws sizes available in pails.
  • ® Trademarked & Patented Head Markings indicate one and only genuine Zip-ins. U.S. Patent No. D524,638

Combination Lead Double Thread Design

  • Single starting thread machined down to very tip of screw point.
  • Instantly penetrates and engages in heavy gauge sheet metal and layered light gauge.

Consistent Hard Point

  • Quality controlled heat treat
  • Sharp tapered point will not mushroom or break
  • No walking


Zipin Sheet Metal Screws


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