Quote Originally Posted by Clive S View Post
Thanks for sharing
+1

I've tended to use diamond burrs, the type you find in rotary tool sets, for cutting carbon. Even less than 55p each! Here's a recent example:

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And a not so recent (T-5 years) example (probably already posted somewhere on this site):

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I'm still using that keyring - amazed that I've not lost it yet. I'll splash out on the cutters suggested here for the next part and compare...