SUGGESTED CUTTING SPEEDS (SFM)

          Material                                H.S.S.             Carbide

          Stainless steel                         70                  150

          Annealed tool steel                  50                 120

          Low carbon steel                     125                275

          Brass                                       200               500

          Aluminum                                300                800

          plastics                                    500               1000

Feed per Tooth on Drills use the Diameter divided by 100

Feed per Tooth on End Mills use the Diameter divided by 200

Please consult your tooling manufacturer or the Machinist Handbook for more specific information