"John Rumm" wrote in message
...
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 !



Agreed, its like driving a mini metro then getting in a ferrari. They do
however make great frisbee`s.