Self-Drilling Screws
Double Thread
Steel roof sheeting to steel purlins.
- Enhanced pull-out strength
- Scratshank
Head Type
Hex Flange Head
Adapter to Use
Magnetic Hex Socket (5/16″)
Thread Type
BSD (general thread)、CSD (fine thread)
Drill Point
No.3
Material
C1022 / 10B21 Carbon Steel from CSC Taiwan
Surface Coating
Zinc / Zinc Yellow / Ruspert / Mechanical Zinc
Size
M5.5 / M6.3
Length
400mm (max.)
Available Sizes
Dimension
| mm | inch | Drilling Point | Drill Capacity |
| M5.5 x 45 | #12-14 x 1-3/4" | NO.3 | 4.5mm |
| M5.5 x 55 | #12-14 x 2-3/16" | NO.3 | 4.5mm |
| M5.5 x 65 | #12-14 x 2-9/16" | NO.3 | 4.5mm |
| M5.5 x 75 | #12-14 x 2-15/16" | NO.3 | 4.5mm |
| M5.5 x 85 | #12-14 x 2-15/16" | NO.3 | 4.5mm |
| M5.5 x 110 | #12-14 x 2-15/16" | NO.3 | 4.5mm |
| M5.5 x 130 | #12-14 x 2-15/16" | NO.3 | 4.5mm |
| - | |||
| M6.3 x 42 | #14-10 x | NO.3 | 4.5mm |
| M6.3 x 50 | #14-10 x | NO.3 | 4.5mm |
| M6.3 x 55 | #14-10 x | NO.3 | 4.5mm |
| M6.3 x 65 | #14-10 x | NO.3 | 4.5mm |
| M6.3 x 75 | #14-10 x | NO.3 | 4.5mm |
| M6.3 x 85 | #14-10 x | NO.3 | 4.5mm |
| M6.3 x 110 | #14-10 x | NO.3 | 4.5mm |
| M6.3 x 130 | #14-10 x | NO.3 | 4.5mm |
