Series 33CRAeAp AeVcDiameter ( (inch)D1)
FractionalHardnessAe x D1Ap x D1(sfm)1/81/43/81/25/83/41
Profile550RPM16808840456034202336228012101
≤ 0.5≤ 1.5Fz0.00050.00120.00230.00310.00390.00400.0043
CARBON STEELS 1018, 1040, 1080, 1090,≤ 275 Bhn or(440-660)Feed (ipm)25.230.338.739.139.333.627.1
10L50, 1140, 1212, 12L15, 1525, 1536≤ 28 HRcSlot440RPM13446672344823362268922411681
1≤ 1352528Fz0.00050.00120.00230.00310.00390.00400.0043
P(-)Feed (ipm)20.224.230.931.331.526.921.7
Profile315RPM9626481332092407192516041203
≤ 0.5≤ 1.5Fz0.00040.00090.00170.00230.00290.00300.0032
ALLOY STEELS 4140, 4150, 4320, 5120,≤ 375 Bhn(252-378)Feed (ipm)11.613.016.416.616.714.411.6
5150, 8630, 86L20, 50100or ≤ 40 HRcSlot250RPM764038202547191015281273955
1≤ 1200300Fz0.00040.00090.00170.00230.00290.00300.0032
(-)Feed (ipm)9.210.313.013.213.311.59.2
Profile185RPM56542827188514131131942707
≤ 0.5≤ 1.5148222Fz0.00030.00070.00140.00180.00230.00240.0025
TOOL STEELS≤ 375 Bhn(-)Feed (ipm)5.15.97.97.67.86.85.3
H A2, D2, H13, L2, M2, P20, S7, T15, W2or ≤ 40 HRcSlot145RPM4431221614771108886739554
1≤ 1(116-174)Fz0.00030.00070.00140.00180.00230.00240.0025
Feed (ipm)4.04.76.26.06.15.34.2
Profile445RPM13599680045333400272022671700
CAST IRONS≤ 0.5≤ 1.5Fz0.00040.00110.00210.00280.00350.00360.0039
(LOW & MEDIUM ALLOY≤ 220 Bhn(356-534)Feed (ipm)14.322.428.628.628.624.519.9
) Gray, Malleable,or ≤ 19 HRcSlot355RPM10849542436162712217018081356
Ductile1≤ 1Fz0.00040.00110.00210.00280.00350.00360.0039
K(284-426)Feed (ipm)11.417.922.822.822.819.515.9
Profile340RPM10390519534632598207817321299
≤ 0.5≤ 1.5Fz0.00030.00080.00160.00210.00260.00270.0029
CAST IRONS (HIGH ALLOY)≤ 260 Bhn(272-408)Feed (ipm)9.412.516.616.416.214.011.3
Gray, Malleable, Ductileor ≤ 26 HRcSlot270RPM8251412627502063165013751031
1≤ 1(216324)Fz0.00030.00080.00160.00210.00260.00270.0029
-Feed (ipm)7.49.913.213.012.911.19.0
Profile490RPM14974748749913744299524961872
≤ 0.5≤ 1.5Fz0.00040.00100.00190.00250.00310.00320.0035
STAINLESS STEELS (FREE MACHINING)≤ 275 Bhn(392-588)Feed (ipm)17.122.528.528.127.924.019.7
M 303, 416, 420F, 430F, 440For ≤ 28 HRcSlot390RPM11918595939732980238419861490
1≤ 1Fz0.00040.00100.00190.00250.00310.00320.0035
(312-468)Feed (ipm)13.617.922.622.322.219.115.6

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