Thursday, May 28, 2015

Hard Turning HSS

Hard Turning (Non Annealed) HSS center drill, using cheap Chinese brazed carbide on my South Bend small spindle 13. Old iron still chooches!

Few thou feed (not counting....) with a .0013 feed/rev. ~900 RPM. Bronze chips!


Thanks for looking, as always keep the hot chips flyin'!