Feature:
1. Drilling with the matched drill.
2. Tapping with the special screw tap for recoil insert marked thread specification.
3.Put recoil insert into mounting groove.
4.Press recoil insert gently to roll-in hole,don’t slam the recoil insert in case of dislocation.
5.Then put thrust device into recoil insert, get rid of installing shaft with a hammer about 200g.