SQUAREBALLRADIUSTAPERCHAMFERROUGHINGEXCHANGEABLE HEAD END MILLS DC DCON EP7020 EXCHANGEABLE HEAD END MILLS iMX-B4HV- Inch Sizes 45° Ball nose head, 4 flute, Irregular curve 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" aIrregular curve cutting edge controls vibration and achieves stable machining. (inch) Grade Order Number RE DC APMX LH DCON No. ofFlutes Type IMX10B4HV0375M .1875 .375 .395 .630 .363 4 a 1 IMX12B4HV0500M .2500 .500 .520 .789 .488 4 a 1 IMX16B4HV0625M .3125 .625 .645 .945 .605 4 a 1 IMX20B4HV0750M .3750 .750 .800 1.181 .730 4 a 1 IMX25B4HV1000M .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 J030 a : USA Stock