HFS(R) 7/8“ Diameter x 1”Depth of Cut Cyclone High Speed Steel Annular Cutter
The reasonable rotate feed amount shall be fn=0.08-0.13mm/r. The reasonable feed rate shall be vf=36-60mm/min. “Weldon shank” annular cutters have 2 flats and fix in the chuck by tightening grub screws in the two flat areas.