HRC55 Metric Carbide Step Drill For Metal

Feature

Drilling and chamfering Smooth chip evacuation Preferred tungsten steel Suitable for drilling step hole at one time

Advantage

1. Large chip flutes can effectively ensure smooth chip removal and improve machining efficiency 2. AlTiN/TiSiN/AlTiSiN/TiN/without coating, all are available 3. Cemented carbide Using fine-grained tungsten steel base material, it has higher hardness and better bending strength, the tool is more wear-resistant, not easy to chip and break, and has a long service life 4. Easy to operate chamfering The chamfered shank layout is easier to clamp。