SQUAREBALLRADIUSTAPERCHAMFERROUGHINGEXCHANGEABLE HEAD END MILLS DC DCON EP7020 EXCHANGEABLE HEAD END MILLS iMX-C4HV-S- Inch Sizes 42° Corner radius head, 4 flute, Irregular helix, With coolant hole 45° CARBIDE 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 e u e e u Type1 APMXRE APMX Curved LH Edge ±.0008" DC <.500" DC>.500" 0 0 - .0008" - .0012" aIrregular helix controls vibration and achieves stable machining. aCoolant holes for each cutting edge enables a stable coolant supply. (inch) Grade Order Number DC RE APMX LH DCON No. ofFlutes Type IMX10C4HV0375R030MS .375 .030 .375 .630 .363 4 a 1 IMX12C4HV0500R030MS .500 .030 .500 .789 .488 4 a 1 IMX16C4HV0625R030MS .625 .030 .625 .945 .605 4 a 1 IMX20C4HV0750R030MS .750 .030 .750 1.181 .730 4 a 1 IMX25C4HV1000R030MS 1.000 .030 1.000 1.500 .980 4 a 1 Note 1) The fastening size of the holder and head should be the same. (refer to J002) J J042 a : USA Stock