high speed stone granding mill

Jun 28, 2002· Chances are yourgrinderwas furnished with two wheels; one an A-46-O and the other A-60-O or P. These are as good as any providing the right balance of hardness and cutting ability for general off hand toolgrindingas they have for generations. The secret togrinding high speedsteel is to remember that HSS is abrasion and heat resistant.

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