Product Overview
This T17 hexagon head self‑tapping screw, specification 14‑10×65‑150 mm, is integrally cold‑headed from high‑quality carbon steel, with a T17 cutting point at the tail. The thread is 14# with 10 threads per inch coarse design. The surface is treated with silver Dacromet anti‑corrosion coating, providing neutral salt spray resistance up to 1000 hours for long‑term rust protection. The product features an integral hex flange head with a built‑in sealing load‑bearing flange washer, and is available in lengths from 65 mm to 150 mm, suitable for both thin panel fixing and thick wood‑steel composite connections. It is a heavy‑duty fastening accessory for outdoor construction, light‑gauge steel cabins, and metal cladding projects.
Product Applications
Light‑Gauge Steel and Timber Structures: Splicing and fixing of cabin walls, roof purlins, preservative‑treated timber decks, and wood‑steel composite load‑bearing beams.
Metal Roofing and Cladding Projects: Fastening colour‑coated steel sheets in steel structure factories, sunroom frames, and exterior metal wall panels.
External Wall Insulation and Decorative Systems: Installation of insulation layers, integrated decorative panels, and outdoor wall cladding.
Photovoltaic Outdoor Accessories: Connecting and fixing galvanised PV brackets to timber bases and steel‑timber supports.
Highly Corrosive Outdoor Scenarios: Fastening steel and timber structures in coastal scenic areas, docks, open‑air factories, and other high‑humidity, salt‑spray environments.
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