Self-Drilling Screws
Button Head
Fixing sheeting to steel where a large head is required.
Head Type
Button Head
Drive Style
Phillips
Thread Type
BSD (general thread)、CSD (fine thread)
Drill Point
No.2
Material
C1022 / 10B21 Carbon Steel from CSC Taiwan
Surface Coating
Zinc / Zinc Yellow / Ruspert / Mechanical Zinc
Size
M4.2
Length
400mm (max.)
Available Sizes
Dimension
| mm | inch | Drilling Point | Drill Capacity |
| M4.2 x 13 | #8-18 x 1/2" | NO.2 | 2.0mm |
| M4.2 x 16 | #8-18 x 5/8" | NO.2 | 2.0mm |
| M4.2 x 19 | #8-18 x 3/4" | NO.2 | 2.0mm |
| M4.2 x 25 | #8-18 x 1" | NO.2 | 2.0mm |
| M4.2 x 32 | #8-18 x 1-1/4" | NO.2 | 2.0mm |
| M4.2 x 41 | #8-18 x 1-5/8" | NO.2 | 2.0mm |
