How to handle the keyway in the non-through hole
Because it is in the blind hole (not through the hole) in the keyway, need to solve the problem of the undercut.
2. Can be in the keyway termination position, the first drilling, constitute the undercut (role).
1. If the wall thickness of the sleeve is enough, you can drive out the undercut in the hole.
Hole on the keyway, are generally inserted out of the.
