TechFast Roofing Sheet to Steel Hex Screw No.3 Tip 5.5 x 100mm Box 100 - ForgeFix TFHUWSD5532L, Forgefix TechFast Roofing Sheet to Steel Hex Light Duty 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. Supplied without washer.These Forgefix TechFast Roofing Sheet to Steel Screws have the following specification: Size: 5.5 x 32mmEffective Thread Length: 18mmHead Type: 8mm HexPack Size: 100Drill Tip: No.3 No.3 drill tip for self-drilling in heavy gauge steel up to 5mm. ForgeFix TechFast Roofing Sheet to Steel Hex Screw No.3 Tip 5.5 x 32mm Box 100