- milling cross notches on the thread ease installation in even hard materials
- low carbon steel
- electro zinc plated to min. 6μm
- full thread shank up to 55mm then partial thread
Countersunk Screw Head
- Pozidrive 1(PZ1) on 2.5 x 16mm to 3.0 x 40mm screws
- Pozidrive 2 (PZ2) on 3.5 x 12mm to 5.0 x 120mm screws
- Pozidrive 3 (PZ3) on 6.0 x 30mm to 6.0 x 200mm screws