Forgefix TechFast Composite Panels to Steel Hex Screws with 16mm EPDM washers, are used to join composite panels to steel frame buildings. They have a specially designed compression control thread to prevent damage and denting of panels. They are fire 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 5.5 x 80mm Box 100No.3 Tip 5.5 x 105mm Box 100No.3 Tip 5.5 x 115mm Box 100No.3 Tip 5.5 x 135mm Box 100No.3 Tip 5.5 x 150mm Box 100 Add to Basket Quantity