TechFast Roofing Sheet to Steel Hex Screw No.3 Tip 5.5 x 57mm Box 100
These Forgefix TechFast Roofing Sheet to Steel Screws have the following specification: Size: 5.5 x 57mmEffective Thread Length: 43mmHead Type: 8mm HexPack Size: 100Drill Tip: No.3 No.3 drill tip for self-drilling in light gauge steel up to 5mm.