10-05-17, 11:25 PM
All reassuring to hear thanks guys!
I have ordered a 3.5 cobalt drill bit so hopefully that will work, I'd imagine once I've broken through the case hardened surface then it should be much easier. (touch wood).
Will keep you updated.
I have ordered a 3.5 cobalt drill bit so hopefully that will work, I'd imagine once I've broken through the case hardened surface then it should be much easier. (touch wood).

Will keep you updated.