SQUAREBALLRADIUSTAPERBARRELROUGHINGSOLID END MILLS Effective length DCDCDC DN Stock DN DCONDCONDCON IMPACT MIRACLE END MILLS VFHVRB 43° 4 flute, Corner radius, Short cut length, Irregular helix flutes 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 e e u u u B2 Type1 RE APMXLU LF BHTA2 15° Effective length for inclined angle Type2 DC< 10 DC>10 RE APMX LU ±0.007 ±0.01 Inclined angle LF DC< 12 DC>12 0 0 Type3 - 0.02 - 0.03 DCON=6 8