Diamond Tool Holder cutting stainless and cast iron.

This is a comparison test between M42 HSS (CoHSS) and Crobalt cast alloy, both toolbits are 1/4″ square. They are being used in a Right Hand 12mm model Diamond Tool Holder, to turn 304 and 316 stainless bar and an interupted cut on a piece of cast iron. The lathe is a 1960s Colchester Chipmaster. For more information visit eccentricengineering.com.au