SQUAREBALLRADIUSTAPERCHAMFERROUGHINGEXCHANGEABLE HEAD END MILLS DC DCON EP7020 EXCHANGEABLE HEAD END MILLS iMX-B4HV-E- Inch Sizes 45° Ball nose head, 4 flute, Irregular curve, With coolant hole 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 RE APMX LH RE <.250" RE>.250" ±.0004" ±.0008" DC <.500" DC>.500" 0 0 - .0008" - .0012" aCoolant holes for each cutting edge enables a stable coolant supply. aIrregular curve cutting edge controls vibration and achieves stable machining. (inch) Grade Order Number RE DC APMX LH DCON No. ofFlutes Type IMX10B4HV0375ME .1875 .375 .395 .630 .363 4 a 1 IMX12B4HV0500ME .2500 .500 .520 .789 .488 4 a 1 IMX16B4HV0625ME .3125 .625 .645 .945 .605 4 a 1 IMX20B4HV0750ME .3750 .750 .800 1.181 .730 4 a 1 IMX25B4HV1000ME .5000 1.000 1.050 1.500 .980 4 a 1 Note 1) The fastening size of the holder and head should be the same. (refer to J002) J J032 a : USA Stock