MALCO #8 x 1/2 in Hex Washer Sheet Metal Screw
The MALCO Self-Piercing Screw (#8 Size, 1/2 in Lg) is a steel, zinc-plated, slotted hex washer sheet metal screw supplied in a 1,000 PK. With a 1/4 in drive size (MPN HW8X1/2ZT), it is designed for fastening sheet…
SKU 3G-OTH-677266
Also listed as: HW8X12ZT · HW8X1 2ZT · HW8X1-2ZT
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The MALCO Self-Piercing Screw (#8 Size, 1/2 in Lg) is a steel, zinc-plated, slotted hex washer sheet metal screw supplied in a 1,000 PK. With a 1/4 in drive size (MPN HW8X1/2ZT), it is designed for fastening sheet metal without pre-drilling.
Frequently Asked Questions
What is the MALCO self-piercing screw used for?
The MALCO self-piercing screw is used for fastening sheet metal without pre-drilling. It is ideal for HVAC ductwork, metal roofing, and general metal fabrication where a secure, corrosion-resistant joint is needed. The zinc-plated steel construction and hex washer head provide reliable holding power.
What are the specifications of the MALCO HW8X1/2ZT self-piercing screw?
The MALCO HW8X1/2ZT is a #8 size, 1/2 in long self-piercing screw made of steel with a zinc-plated finish. It features a slotted hex washer head with a 1/4 in drive size and comes in a 1,000 PK. The MPN is HW8X1/2ZT.
Where to buy MALCO self-piercing screws worldwide?
3G Electric supplies MALCO self-piercing screws worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the HW8X1/2ZT or other MALCO fasteners for your sheet metal applications.
How to install a self-piercing screw without pre-drilling?
To install a self-piercing screw like the MALCO HW8X1/2ZT, use a power driver with a 1/4 in slotted bit. Align the screw perpendicular to the metal surface and drive it steadily. The self-piercing tip cuts through the material, while the hex washer head provides a flush, secure fastening.
Used in
Common applications for MALCOMALCO 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.