DCDC DCONDCON EP7020 SQUAREBALLRADIUSTAPERCHAMFERROUGHINGEXCHANGEABLE HEAD END MILLS 43.5° 44.5° 45° 45° Corner radius head, Multi-flute, Irregular helix DC <12 DC>12 DC <12 DC>12 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 Type1 APMX RE APMX Curved LH Edge Type2 ±0.020 DC <12 DC>1200-0.020-0.030 APMXRE APMX CurvedLHEdge aIrregular helix controls vibration and achieves stable machining. aHigh machining efficiency due to multi-flute design. (mm) Grade Order Number DC RE APMX LH DCON No. ofFlutes Type IMX10C6HV100R05010 10 0.5 10 16 9.7 6 a 1 IMX10C6HV100R10010 10 1 10 16 9.7 6 a 1 IMX12C6HV120R10012 12 1 12 19 11.7 6 a 1 IMX16C10HV160R10016 16 1 16 24 15.5 10 a 2 IMX20C12HV200R10020 20 1 20 30 19.5 12 a 2 IMX25C12HV250R10025 25 1 25 37.5 24.5 12 a 2 Note 1) The fastening size of the holder and head should be the same. (refer to J002) J J051