Forgefix TechFast Metal Roofing Panels to Timber Hex Screws are used to join metal roofing panels to timber frame buildings. They have a specially designed compression control thread to prevent damage and denting of panels. No pre-drilling is required and the self-drilling T17 Gash Point on screws makes for a rapid installation.
Screws With Everyday Fixes-Techfast Hex/W16/Stitch No.1 6.3 X 22 Bx100
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