Series 61MAeAp AeVcDiameter (D1) (mm)
MetricHardnessAe x D1Ap x D1(m/min)610122025
Profile152RPM80784847403924241939
CARBON STEELS≤ 0.5≤ 1.5(122-183)Fz0.0140.0290.0340.0450.050
1018, 1040, 1080, 1090 10L50 1140≤ 175 BhnFeed (mm/min)339422549436485
, , , 1212, 12L15, 1525, 1536or ≤ 7 HRcSlot122RPM64633878323119391551
1≤ 1(98-146)Fz0.0140.0290.0340.0450.050
PFeed (mm/min)271337439349388
Profile111RPM58973538294917691415
≤ 0.5≤ 1.5(89134)Fz0.0100.0210.0260.0350.038
ALLOY STEELS 4140, 4150, 4320,≤ 275 Bhn-Feed (mm/min)177223307248269
5120, 5150, 8630, 86L20, 50100or ≤ 28 HRSlot90RPM47662860238314301144
1≤ 1(72-108)Fz0.0100.0210.0260.0350.038
Feed (mm/min)143180248200217
Profile105RPM55743344278716721338
≤ 0.5≤ 1.5(84-126)Fz0.0140.0240.0360.0480.053
H TOOL STEELS A2 D2 H13 L2 M2≤ 250 BhnFeed (mm/min)234241401321355
, , , , , P20, S7, T15, W2or ≤ 24 HRcSlot84RPM44432666222213331066
1≤ 1(67-101)Fz0.0140.0240.0360.0480.053
Feed (mm/min)187192320256283
Profile111RPM58973538294917691415
≤ 0.5≤ 1.5(89-134)Fz0.0190.0400.0480.0640.070
K CAST IRONS Gr Mllbl≤ 220 Bhn rFeed (mm/min)336425566453495
ay, aeae, Ductileo ≤ 19 HRcSlot90RPM47662860238314301144
1≤ 1(72-108)Fz0.0190.0400.0480.0640.070
Feed (mm/min)272343458366400

Bhn (Brinell) HRc (Rockwell C) rpm = (Vc x 1000) / (D1 x 3.14) mm/min = Fz x number of flutes x rpm reduce speed and feed for materials harder than listed refer to the KYOCERA SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com)