How to distinguish the straight and cone pulley
The cone pulley is usually called a cone pulley, which can be used in combination with the cone sleeve, but not in the straight hole
It is to look at the center hole of the two sides commonly big straight bore belt wheel side to play one side small coning belt wheel The cone bore pulley should have a taper self-tightening effect
The inner hole is tapered with tapered and the inner hole is a straight cone-hole pulley which is usually a straight hole in the European standard that is common to us!
