12-11×75 Z/Y T17 Hex Head Screw

Product Overview
This product is a T17 hex flange self‑tapping wood screw in specification 12‑11×75 mm, made of hardened carbon steel with a yellow zinc passivation finish. It features a cutting‑type T17 pointed tip and an integrated flange hex head. The coarse‑thread extended shank eliminates the need for pre‑drilling and can securely fasten various types of timber as well as thin steel sheets, making it a heavy‑duty general fastener for timber structures and roofing projects.

Product Applications
Roofing Projects: Fixing colour‑coated steel tiles, skylight panels to timber purlins and battens.
Timber Structure Construction: Timber frame cabins, preservative‑treated wood platforms, fences, and pergolas.
Decoration and Fit‑out: Light‑gauge steel with timber backings, thick wood substrates, and splicing of heavy timber members.
Landscaping & Gardens: Fastening preservative‑treated timber decking, pavilions, outdoor trellises, and other wooden structures.