![](https://www.bdngroup.com.tw/wp-content/uploads/2024/05/BDN-Poly-Fast-Plastic-Roofing-Fasteners-For-Timber.jpg)
Polycarbonate Roof Fasteners
POLY-FAST™ Timber
Fixing Polycarbonate Skylight to Timber
Head Type
Hex Washer Flange Head
Drill Point
No.3
Material
C1022 / 10B21 Carbon Steel from CSC Taiwan
Surface Coating
Ruspert / Mechanical Zinc
Size
M5.5
Available Sizes
Dimension
DIN (mm) | IFI (inch) | Drilling Point | Timber Penetration |
M5.5 x 50 | #12 x 2" | No.3 | Min 25mm penetration |