Self-Drilling Screws
Countersunk Wings #3pt
Timber to light section steel purlins and rails.
Head Type
Countersunk Head
Thread Type
BSD (general thread)、CSD (fine thread)
Drill Point
No.3 point
Material
C1022 / 10B21 Carbon Steel from CSC Taiwan
Surface Coating
Ruspert / Mechanical Zinc
Size
M4.8 / M5.5
Length
400mm (max.)
Available Sizes
Dimension
| DIN (mm) | IFI (inch) | Drilling Point | Drill Capacity |
| M4.8 x 25 | #10 x 1" | No.3 | 3.0mm |
| M4.8 x 32 | #10 x 1-1/4" | No.3 | 3.0mm |
| M4.8 x 38 | #10 x 1-1/2" | No.3 | 3.0mm |
| M4.8 x 45 | #10 x 1-3/4" | No.3 | 3.0mm |
| - | - | - | - |
| M5.5 x 38 | #12 x 1-1/2" | No.3 | 3.0mm |
| M5.5 x 50 | #12 x 2" | No.3 | 3.0mm |
| M5.5 x 75 | #12 x 2-15/16" | No.3 | 3.0mm |
