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Malco HW8X3/4ZT Zip In 8×3/4 Hex Washer Screws, 1,000 Pack

BRAND: Malco SKU: HW8X3/4ZT

$41.60

MSRP: $47.84
You save 15%

Malco HW8X3/4ZT Zip In 8×3/4 Hex Washer Screws, 1,000 Pack

Availability:

2 In Stock

Description

Malco’s Zip-in Screws are known for their superior quality and is considered by many for being the best screw choice for HVAC metal duct fastening.

A unique thread design and quality-controlled manufacture spell the Zip-in sheet metal screw difference. Zip-in’s are made with a sophisticated heat treat process which 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. Malco’s Zip-in screws are faster driving, with a greater capacity for fastening heavier gauges of sheet metal than any other self-piercing type.

For the best performance, use any Zip-in Sheet Metal Screw with a Malco C-RHEX Cleanable, Reversible Dual Sided Hex Driver.

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
  • 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

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