- New
HTZ81VP is a Reliable TEK self-drilling metal screw measuring #8 x 1". It features a hexagonal washer head, full self-tapping thread and a zinc-plated steel construction. The integrated washer provides a secure bearing surface, while the self-drilling point allows fastening without a pilot hole in suitable applications. The screw uses a 1/4" hex drive and is supplied in a box of 100. Suitable for compatible metal fastening applications, including ventilation duct work.