Gary Coffman wrote in message . ..
On Tue, 21 Oct 2003 00:10:56 GMT, Jim Wilson wrote:
You can also reduce the amount of warping by clamping the tool between
two thicker pieces of flat steel, and heat treating the whole unit.

That's often the best answer, but the blade won't harden quite as
much because the extra pieces slow the quench.

Gary
That will also depend upon the quenchant.
He can speed the cooling with brine or lye.
Or leave the very edge proud of the fixture which is advantageous.