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MALCO HW8X1Z 500PK ZIP-IN SCREWS
DUCTWORK / ACCESSORIES

MALCO HW8X1Z 500PK ZIP-IN SCREWS

Item #: TMZ0601

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Your Price: $19.31


 

PRODUCT DESCRIPTION 

Zip-In® --

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.

PRODUCT FEATURES 
• Undercut-indented hex washer slotted head
• Bright Zinc Plated
• Burr Fee
• 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
      * Complete operator control - precise hole alignment
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