TechFast Light Duty Sheet to Steel Roofing Screws 5.5 x 25mm Elementech Bag 100

General description These Forgefix TechFast Hex Head Roofing Screws are specifically designed for fixing cladding and sheet steel to light section steel purlins with thicknesses ranging from 1.2mm to 3.6mm. Featuring a hex head for easy installation, these self-drilling screws come with a rubber washer that expands under pressure to create a permanent weather seal. They are zinc plated and coated with an Elementech finish for superior corrosion resistance, having been salt spray tested for up to 1,000 hours. Technical specifications Size: 5.5 x 25mm Pack quantity: 100 screws Material: Steel with zinc plating Coating: Elementech for corrosion resistance Weather resistance: Salt spray tested up to 1000 hours Compatibility and accessories Compatible with cladding and sheet steel for light section steel purlins Suitable for steel thicknesses between 1.2mm and 3.6mm Installation Use a compatible wrench or socket to tighten the hex head screw Ensure the rubber washer is properly seated to