how to install helicoil

To  install a wire insert, you need following tools

step 1:    drill a hole on the base material

step 2:     tap a inner ST thread with a ST tap or helicoil tap

step 3:     screwing in the wire insert with installation tools  so that the wire insert is set into the right pitches

step 4:    punching off the tang of the insert with tang-breaking tool