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shopping now for a small dia. carbide bit.

I tried that. I think the machine screw is pretty hard material. I was able to make a small divit in the good end, but unable to drill through or get the threads to turn themselves out.

So I went to remove a 60 deg V bit so I could install my carving bit... placed the T handle in the socket screw - went to back the bolt out and it sheared off. Broke about 1/2 down the length. The...