Octomill inserts Practical Machinist
Sep 09, 2016· The mill is 5 hp with a 40 taper. The machine is 39 years old also. Dave. widia .625 square insert facemill. 8 inserts only 4 sides. not hard in cast iron to take .150" depth of cut at 55" per minute. it will cut more depth of cut if the part does not vibrate.