C-Sert System

Yes, you can. C-Serts are taps and can be reused, just like a tap.

Yes, you can. Just use the same hex installer, but turn it clockwise.

Friction, pure and simple. The C-Sert’s external tapping threads produce more friction than the fastener’s torque rating.

No. C-Serts cut their way in. They make a tight interference fit. So any thread locker would just get squeezed out as the C-Sert bores in.

No.  C-Serts are self-tapping.