TechFast Roofing Sheet to Steel Hex Screw & Washer No.5 Tip 5.5 x 40mm Box 100
These Forgefix TechFast Roofing Sheets to Steel Hex Screws have the following specification:
Size: 5.5 x 40mm
Effective Thread Length: 17mm
Pack Size: 100
Drill Tip: No.5
No.5 drill tip for self-drilling in heavy gauge steel up to 12.5mm.