After heat treatment, the cutting head becomes sharper, more durable, sturdy, durable, and has a longer service life.
Tighten the fixing screws with a wrench to make the drill more stable and safe, without worrying about hazards.
Triangular foot handles are more stable during use, improve work efficiency and save time.
Thicker sand layer and uniform plating layer, improve the wear resistance and life of the hole opener.
Suitable for punching operations such as glass, ceramic tiles, floor tiles, marble, vitrified tiles, etc.
