The Natural Philosopher wrote:

I had tried both angle grinder with carborundum disks (wore em out in
seconds) and chipping with a cold chisel (worked, but not on long thin
bits: They always cracked across) and so decided to hire an angle
grinder with diamond blade.

What a difference!

Once you have used one with a diamond disc, the normal abrasive ones do
seem kind of pointless !




--
Cheers,

John.

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