Malco HW8X2Z
•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.
•Zip-in screws are faster driving, with a greater capacity for fastening heavier gauges of sheet metal than any other self-drilling type.
•Ultra sharp tapered point will not mushroom, break or walk.
•Undercut-indented hex washer slotted head always seats flush.
•Full 1/4 in. (No. 8) head will not strip out of hex driver opening at any-time during operation.
Meet Malco Zip-In HW8X2Z self-piercing screws—engineered for speed, strength, and dependable performance in metal-to-metal fastening. With an 8×2 profile and a 1/4″ Slotted Hex Washer Head, these zinc-plated sheet metal screws are built to pierce, grip, and hold without the need for pre-drilling in many common gauge applications.
What makes Zip-In different is a precision, dual-thread design paired with a controlled heat-treat process. The screw tapers to a fine, sharp point while preserving critical point strength. A single starting thread runs right to the tip, delivering immediate bite as soon as contact is made with the metal. After initial penetration, a second thread above the point engages to drill in twice as fast, giving you faster installation and a stronger hold, even with heavier gauge sheet metal.
Key advantages you’ll notice on the job:
- Rapid, reliable penetrationthanks to the dual-thread action that kicks in after initial bite, reducing installation time and effort.
- Enhanced hold on thicker metals—specifically designed to fasten heavier gauges of sheet metal more effectively than standard self-piercing screws.
- Pre-drill savings—efficient piercing minimizes or eliminates the need for pilot holes in many projects, lowering risk of misalignment and speeding up work sequences.
- Durable corrosion resistancewith zinc plating, making these screws suitable for a range of indoor and outdoor metal assemblies.
- Long-term reliabilityfrom a heat-treated steel core that retains sharp point strength and resists stripping in tough installations.
Ideal for professionals and serious DIYers tackling metalwork such as HVAC ductwork, metal roofing, flashing, gutters, fascia, cabinetry, and other lightweight to mid-thickness sheet metal assemblies. If you’re upgrading fasteners on metal structures, Zip-In HW8X2Z delivers consistent performance, reducing rework and keeping your project on schedule.
Specification snapshot:
- Brand/Model:Malco Zip-In HW8X2Z
- Size:8×2 (roughly #8 diameter, 2″ length)
- Head & drive:1/4″ Slotted Hex Washer Head
- Material & Finish:Zinc-plated steel
- Count:2300 screws per package
With Zip-In, you gain a fast, precise fastening experience backed by a design that actually solves common metalwork challenges. For dependable performance on tough sheet metal jobs, these screws are ready to work—from the first bite to a secure, lasting hold.
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