Forgefix TechFast Roofing Sheets to Steel Hex Screws are used for joining metal roofing panels to steel frame buildings. The screws are fire resistant and corrosion resistant. Protected by Elementech corrosion resistant coating, salt spray tested to 1000 hours. Complies with EU Safety, Health and Environmental requirements. They are supplied with 16mm EPDM rubber washers.Select Option No.5 Tip 5.5 x 100mm BoxNo.5 Tip 5.5 x 120mm Box 50No.5 Tip 5.5 x 32mm Box 100No.5 Tip 5.5 x 40mm Box 100No.5 Tip 5.5 x 50mm Box 100No.5 Tip 5.5 x 60mm Box 100No.5 Tip 5.5 x 65mm Box 100No.5 Tip 5.5 x 70mm Box 100No.5 Tip 5.5 x 80mm Box 100 Add to Basket Quantity