Advantages: (1) Latest design, enjoy popularity among customers. (2) The motor connects the gearbox directly which can decrease the machine vibration,reducing the noise and increasing the evenness of the surface after grinding. (3) Emergency switch、forwar
The product name： Steel body coring bit Steel body coring bit Features： Suitable for soft ~ medium hard formation drilling. High efficiency,strong impact resistance, can be widely used in rock coring in geological exploration, coal mining, mining, water c
