These Forgefix TechFast Roofing Sheets to Steel Hex Screws have the following specification:

Size: 5.5 x 32mm
Effective Thread Length: 15mm
Pack Size: 100
Drill Tip: No.3

No.3 drill tip for self-drilling in heavy gauge steel up to 5mm.

Pack Quantity: 24
Height: 90
Length: 135
Width: 60

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