The tapermill tap is a special tool for opening up a passage in casing.
锥形铣锥是用来套管打通道的专用工具。
2
Taper powder mill: it fits to the dry and wettest grind of wheat, coarse food grain and legume.
锥形磨粉机：适用于小麦、杂粮和豆类的干磨和湿磨。
3
Roller bearings of cross wedge mill are double-rows taper roller bearings and one of the important parts on mill. It directly bears rolling force when mill works.