TechFast Roofing Sheet to Steel Hex Screw No.5 Tip 5.5 x 80mm Box 100
These Forgefix TechFast Roofing Sheet to Steel Screws have the following specification:
Size: 5.5 x 80mm
Effective Thread Length: 71mm
Head Type: 8mm Hex
Pack Size: 100
Drill Tip: No.5
No.5 drill tip for self-drilling in heavy gauge steel up to 12.5mm.