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MALCO Self-Piercing Screw: #7 Size, 1/2 in Lg, Steel, Zinc-Plated, Slotted, Hex Washer - Hex Head Washer Sheet Metal Screws
MALCOHex Head Washer Sheet Metal Screws

MALCO Self-Piercing Screw: #7 Size, 1/2 in Lg, Steel, Zinc-Plated, Slotted, Hex Washer

The MALCO Self-Piercing Screw (#7 Size, 1/2 in Lg) is a hex head washer sheet metal screw made of steel with a zinc-plated finish and slotted drive. It features a 1/4 in drive size and comes in a 1,000-piece pack…

SKU 3G-OTH-677262

Brand
MALCO
Item
Self-Piercing Screw: #7 Size, 1/2 in Lg, Steel, Zinc-Plated, Slotted, Hex Washer
Category
Hex Head Washer Sheet Metal Screws
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Technical Specifications

MALCO
Manufacturer Part Number
HW7X1/2ZT
Type
Steel, Zinc-Plated, Slotted, Hex Washer, 1,000 PK
Lg
1/2 in
Drive Size
1/4 in
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MALCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MALCO Self-Piercing Screw (#7 Size, 1/2 in Lg) is a hex head washer sheet metal screw made of steel with a zinc-plated finish and slotted drive. It features a 1/4 in drive size and comes in a 1,000-piece pack (MPN HW7X1/2ZT).

Frequently Asked Questions

What is the MALCO self-piercing screw used for?

The MALCO self-piercing screw is used for fastening sheet metal in HVAC, roofing, and general construction applications. Its #7 size and 1/2 in length pierce thin metal without pre-drilling, while the hex washer head provides a secure, flush finish.

What are the specifications of the MALCO HW7X1/2ZT screw?

The MALCO HW7X1/2ZT is a #7 size, 1/2 in long self-piercing screw made of steel with a zinc-plated finish. It has a slotted drive, a 1/4 in drive size, and a hex washer head. It comes in a 1,000-piece pack.

Where to buy MALCO self-piercing screws in worldwide?

3G Electric supplies MALCO self-piercing screws worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver the HW7X1/2ZT and other fasteners to your facility, regardless of location.

How to install a self-piercing screw in sheet metal?

To install a MALCO self-piercing screw, use a power driver with a slotted bit matching the 1/4 in drive size. Align the screw perpendicular to the sheet metal surface and drive it in until the hex washer head seats flush. No pre-drilling is required for thin metal.

Used in

Common applications for MALCO
HVAC duct fabrication — MALCO Mini Brake (MB48A) for bending sheet metal up to 48 inches wide
Roofing — MALCO Asphalt Shingle Cutter Drill Attachment (TSS1) for cutting shingles with a drill
Vinyl fence installation — MALCO Vinyl Fence Notcher (VFN1) for creating louvered notches in vinyl
Cable management — MALCO Cable Tie Tension Tool (TY4G) for securing nylon ties in electrical installations
Sheet metal cutting — MALCO Snip Blade (M14ARB) for replacement in snips cutting stainless steel
Ductwork assembly — MALCO Duct Cutting Tool (DT15C) for cutting and trimming duct materials

MALCO Products

3G Electric supplies MALCO hex head washer sheet metal screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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