SQUAREBALLRADIUSTAPERCHAMFERROUGHINGEXCHANGEABLE HEAD END MILLS DC DCON ET2020 EXCHANGEABLE HEAD END MILLS iMX-S3A- Inch Sizes 37.5° Square head, 3 flute, For aluminum alloy 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 Type1 APMX APMX LH CurvedEdge DC <.500" DC>.500" 0 0 - .0008" - .0012" aHigh efficiency machining is possible due to the polished rake face and sharp cutting edge. (inch) Grade Order Number DC APMX LH DCON No. ofFlutes Type IMX10S3A0375P .375 .300 .630 .363 3 a 1 IMX12S3A0500P .500 .400 .789 .488 3 a 1 IMX16S3A0625P .625 .500 .945 .605 3 a 1 IMX20S3A0750P .750 .600 1.181 .730 3 a 1 IMX25S3A1000P 1.000 .800 1.500 .980 3 a 1 Note 1) The fastening size of the holder and head should be the same. (refer to J002) J J018 a : USA Stock