Solid Carbide Endmills Recommended Cutting Conditions Table 063 V520 Seires EMS_V4, EMC_V4, EMF_V4 ※If the machine not stable, please reduce the feed about 20%. fz (inch/z) Working Material Cutting Application ae ap SFM 1/8 1/4 5/16 3/8 1/2 Slot milling 1×d 0.5 ~ 1.0×d 260 ~ 475 .0008 .0012 .0016 .0019 .0025 Carbon steel(S45C, S55C)Side roughing 0.4 ~ 0.9×d 0.7 ~ 1.0×d 295 ~ 525 .0009 .0015 .0020 .0023 .0031 Side finishing 0.1 ~ 0.3×d 0.7 ~ 1.5×d 425 ~ 740 .0006 .0010 .0014 .0017 .0023 Slot milling 1×d 0.5 ~ 1.0×d 230 ~ 430 .0007 .0011 .0015 .0018 .0024 Alloy steel(SK, SCM) Side roughing 0.4 ~ 0.9×d 0.7 ~ 1.0×d 260 ~ 475 .0008 .0014 .0019 .0022 .0030 Side finishing 0.1 ~ 0.3×d 0.7 ~ 1.5×d 310 ~ 590 .0005 .0009 .0013 .0016 .0022 Slot milling 1×d 0.5 ~ 1.0×d 215 ~ 360 .0006 .0010 .0014 .0017 .0023 Tool Steel(SKD) Side roughing 0.4 ~ 0.9×d 0.7 ~ 1.0×d 230 ~ 430 .0009 .0015 .0018 .0021 .0029 Side finishing 0.1 ~ 0.3×d 0.7 ~ 1.5×d 295 ~ 525 .0006 .0010 .0014 .0015 .0021 Slot milling 1×d 0.5 ~ 1.0×d 165 ~ 215 .0005 .0008 .0012 .0013 .0017 Stainless steel(SUS304, SUS316)Side roughing0.4 ~ 0.9×d 0.7 ~ 1.0×d 215 ~ 330 .0006 .0010 .0014 .0017 .0023 Side finishing 0.1 ~ 0.3×d 0.7 ~ 1.5×d 260 ~ 360 .0006 .0010 .0014 .0015 .0021 Slot milling 1×d 0.5 ~ 1.0×d 100 ~ 200 .0005 .0008 .0010 .0011 .0015 Superalloy & Side roughing 0.4 ~ 0.9×d 0.7 ~ 1.0×d 165 ~ 300 .0005 .0008 .0012 .0013 .0017 Hardened steel Side finishing 0.1~ 0.3×d 0.7 ~ 1.5×d 215 ~ 395 .0006 .0010 .0014 .0015 .0021 Slot milling Side roughing Side finishing Trochoidal A259