TFHH5535 Hex Head Roofing Screw Self-Drill Heavy Section 5.5 x 35mm Pack 100

The Forgefix TechFast Hex Head Roofing Screws are heavy-duty self-drilling fasteners designed to securely fix steel sheets and cladding to heavy steel purlins. Sized at 5.5 x 35 mm, they provide a weatherproof connection suitable for both professional and DIY steel construction projects. The screws feature an Elementech coating for corrosion resistance and are compatible with steel sheets, cladding, and heavy purlins, with intended use for steel thicknesses between 6 mm and 12.5 mm.

Overview

These hex-head, self-drilling screws are designed for fixing cladding and sheet metal to light and heavy structural purlins. They are suitable for steel thicknesses from 6.0 mm to 12.5 mm and include a 16 mm EPDM rubber washer that expands under pressure to form a permanent weather seal. The Elementech coating provides corrosion resistance and the screws have a salt spray rating of 1000 hours.

Specifications

• 5.5 x 35 mm hex-head screws
• Pack quantity: 100 screws
• Material: Steel with Elemtech coating
• Corrosion resistance: Salt spray tested 1000 hours
• Washer: 16 mm EPDM rubber washer
• Fire resistant