HOBSON T17 Screw Hex All-In-1 Roofing C4 #12 Box250 Multiple Sizes

Applications:

Fixing polycarbonate, PVC, and fibreglass roof sheets to timber battens - ideal for pergolas, carports, patios, and sheds. Class4 galvanised suits inland suburbs and general coastal areas (5–10km from shore).

Features:

• Built‑in expansion hole cutter - auto‑cuts thermal expansion holes; stops polycarbonate cracking.
• Domed EPDM washer - even pressure, won't damage sheet, waterproof seal.
• Type 17 self‑drilling point - no pre‑drilling in timber.
• Class4 galvanised - corrosion resistant for exterior use.

Size:

12G-11x50mm - standard sheets, most popular.

12G-11x65mm - thicker or double‑layer.