材质:钨钢
Material: tungsten steel
U就是凹弧形 10是代表头的外径大小 20是代表刀头的刃长 M06是磨头的杆子直径
U is the concave arc 10 is the size of the outer diameter of the head 20 is the blade length of the head M06 is the rod diameter of the grinding head