Pferd - Tool 31326252 grinding pins ZY 3216 6 ADW 24 M 5V grinding pins of hardness M are made from a ceramic binding and a grinding grain mix of dark red and white precious corundum. Diese Kornkombination fhrt zu einem ausgewogenen Verhltnis von Zeitspanvolumen und Standzeit. Hardness M is the most universal bond for machining steel and cast steel.