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2CREG                                                                                RPM : rev./min Feed : mm/min

         Material      Carbon Steels / Alloy Steels  Prehardened Steels             Hardened Steels
                           SCM / SNCM / S45          NAK / CENA / KP4             SKD / SKT / STAVAX
       Hardness
                               ~ 35HRc                        35 ~ 45HRc                  45 ~ 55HRc
     Outside Diameter
                         RPM            FEED           RPM                FEED     RPM                FEED
     0.2mm
     0.3mm             50,000            170         34,500                 75    21,150                45
     0.4mm             50,000            200         32,000                 85    20,000                50
     0.5mm             50,000            200         32,000                 85    20,000                50
     0.6mm             43,000            220         28,000                 95    17,100                60
     0.8mm             36,400            250         24,000               110     14,500                65
     1mm               36,400            250         24,000               110     14,500                65
     1.2mm             33,100            280         21,600               120     13,200                70
     1.5mm             30,000            300         18,000               125     12,000                70
     2mm               26,400            300         16,200               130     10,200                70
     2.5mm             21,600            310         13,800               140                           80
     3mm               18,000            320         11,400               150      8,640                80
     4mm               15,900            330         10,300               160      7,320                80
     5mm               12,800            400                              200      6,300                95
     6mm               11,000            500          8,200               240      5,150              120
     8mm                                 600          7,000               300      4,560              140
     10mm               9,500            640          6,000               300      3,930              140
     12mm               7,200            640          4,550               300      3,020              140
     16mm               6,000            500          4,000               270      2,420              120
                        5,000            450          3,340               210      2,000                95
                        3,720                         2,520                        1,540

     Depth of Cut
     Depth of Cut

     4CREG                                                                                RPM : rev./min Feed : mm/min

         Material      Carbon Steels / Alloy Steels           Prehardened Steels            Hardened Steels
                           SCM / SNCM / S45                   NAK / CENA / KP4            SKD / SKT / STAVAX
       Hardness
                               ~ 35HRc                        35 ~ 45HRc                  45 ~ 55HRc
     Outside Diameter
                         RPM            FEED           RPM         FEED            RPM                FEED
     1mm
     1.2mm             33,100            360         21,600          260          13,200               140
     1.5mm             30,000             65         18,200          265          12,100               140
     2mm               26,400                        16,200          270          10,200               140
     2.5mm             21,600            370         13,800          280                               150
     3mm               18,000            380         11,400          300           8,640               150
     4mm               15,900            390         10,300          310           7,320               150
     5mm               12,800            400                         360           6,300               160
     6mm               11,000            500          8,200          430           5,150               200
     8mm                                 510          7,000          430           4,560               200
     10mm               9,500            510          6,000          430           3,930               200
     12mm               7,200            550          4,550          430           3,020               200
                        6,000            550                         380           2,420               160
                        5,000            430             400                       2,000
                                                      3,340   0.02D

     Depth of Cut                                                         1.0D
     Depth of Cut

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