Turning

Subject:
Re: interesting negative rake tools

John K Jordan
>>>Now Boxmaster tools are not heat-treated the same way as most M2, they (Jimmie and Dave) developed a process based on Dave's heat-treat for M42.
The result is Boxmaster test out harder (Rockwell) and more wear resistant the other M2 tools.

So what is the Rockwell number?

© 1998 - 2017 by Ellis Walentine. All rights reserved.
No parts of this web site may be reproduced in any form or by
any means without the written permission of the publisher.

WOODCENTRAL, P.O. BOX 493, SPRINGTOWN, PA 18081