1.It can be used for drilling holes with moer complicated materials and can choose higher cutting speed.
2.Select high-performance alloy inserts for alloy drills to effectively reduce chipping and maintain good wear resistance.
3.Multi-layer geometric cutting end edge to improve drainage performance and maintain low cutting resistance.
4.In addition to the commonly used right angle handles,there are a variety of handle types,suitable for a variety of drilling rigs,drilling machines.