How to remove tungsten carbide buttons from rock drill heads?

It seems to me that most bits are silver brazed into place. All you should have to do is heat them with an oxyacetylene torch up to a dull red or enough to melt the brazing and give the carbide a tap with a hammer. It should drop out.



Jon.

Originally Posted by sawmilleng

It seems to me that most bits are silver brazed into place. All you should have to do is heat them with an oxyacetylene torch up to a dull red or enough to melt the brazing and give the carbide a tap with a hammer. It should drop out.

Jon.

That answers my question. Thanks for the help.