- Patent MS countersunk head provides a clean, flush and burr-free finished appearance.
- Double thread stops top material pushing apart while installation and holds decking securely in place.
- Serrated thread can cut the fiber for quick drilling meanwhile reducing driving torque.
- Drilling easily without pre-drilling by sharp-arrow point.
- Having high corrosion resistance in stainless steel for outdoor .
Incorporating features from recess to point which make the screw easier to drive on MDF board, such as sharp arrow point that requires no pre-drilling. It can save time and effort during installation.
Additionally, patent hex-star recess create better driving with high torsion and well-fit, meanwhile reducing stripping and slipping.