TechFast Roofing Sheet to Steel Hex Screw & Washer No.3 Tip 5.5 x 50mm Box 100
These Forgefix TechFast Roofing Sheets to Steel Hex Screws have the following specification: Size: 5.5 x 50mmEffective Thread Length: 33mmPack Size: 100Drill Tip: No.3 No.3 drill tip for self-drilling in heavy gauge steel up to 5mm.