The high precision ensure a precise fit between the body and the column.The motor has increased power, which is to increase the life of the motor. Suitable for drilling, expanding, and reaming operations on metals and other materials. It can be widely used in a single-piece or mass-produced instrument industry, machinery manufacturing, and repair parts. which has high hardness, high wear resistance, anti-corrosion, anti-rust performance, and long service life Service:We attach great importance to our customers' shopping experience. If you have any questions, please feel free to contact us, we will reply you as soon as possible within 24 hours