DCDCDC DCONDCONDCON EP7020EP7020 SQUAREBALLRADIUSTAPERCHAMFERROUGHINGEXCHANGEABLE HEAD END MILLS iMX-S4HV 42° Square head, 4 flute, Irregular helix 45° Carbon Steel, Alloy Steel, Cast Iron Tool Steel, Pre-hardened Steel,Hardened Steel Hardened Steel(<30HRC)(< 45HRC)(< 55HRC)Hardened Steel(>55HRC)AusteniticTitanium Alloy,Stainless SteelHeat Resistant AlloyCopper AlloyAluminum Alloy CARBIDE e u e e u Type1 APMX LH APMX Curved Edge Type2 DC <12 DC>12 APMX 0 0-0.020- 0.030 APMXLH CurvedEdge Oversize Type aIrregular helix controls vibration and achieves stable machining. (mm) Grade Order Number DC APMX LH DCON No. ofFlutes Type IMX10S4HV10010 10 10 16 9.7 4 a 1 IMX10S4HV12012 12 12.5 19 9.7 4 a 2 IMX12S4HV12012 12 12 19 11.7 4 a 1 IMX12S4HV14014 14 14.5 22.5 11.7 4 a 2 IMX16S4HV16016 16 16 24 15.5 4 a 1 IMX16S4HV18018 18 18.5 27 15.5 4 a 2 IMX20S4HV20020 20 20 30 19.5 4 a 1 IMX20S4HV22023 22 23 33 19.5 4 a 2 IMX25S4HV25025IMX25S4HV28029 25 252829 37.541.5 24.524.5 4 a 14a2 J IMX25S4HV30031 30 31 43.5 24.5 4 a 2 IMX25S4HV32033 32 33 45.5 24.5 4 a 2 Type3 APMX APMX LH Curved Edge y Long Cutting Edge Type (mm) Grade Order Number DC APMX LH DCON No. ofFlutes Type IMX16S4HV16032 16 32 40 15.5 4 a 3 IMX20S4HV20040 20 40 50 19.5 4 a 3 Note 1) The fastening size of the holder and head should be the same. (refer to J002) J011