SQUAREBALLRADIUSTAPERBARRELROUGHINGSOLID END MILLS DC DCONStock SMART MIRACLE END MILLS VQMHVRBF 37° Corner radius, Medium cutting length, 4 flute, Irregular helix flutes (for finishing) 40° 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 e e e u Type1 RE APMX LF 0.3< RE< 3 ±0.015 DC< 12 DC>12 0 0 - 0.02 - 0.03 DCON=6 8< DCON< 10 12