Coating or Substrate Size Range Neck Length Flutes Finish / Rough Page SOLID END MILLS Work Materials Product Name End Mills ap Upper :1st Recommendation Under : 2nd Recommendation METRIC VF6SVRCH DC16,20 1.9−2.1xDC − 6 I199 28.5° 30° METRIC VFMFPR DC5−20 2.8−3.5xDC − 4 I200 30° Semi long (ap−4xDC) METRIC DC METRIC VQJHV 38° 37.5° 1−20 3.3INCH−4xDC − 4 I148 INCH 40° 40° DC.1250 I150 DC≤6 DC>6 −.5000 Long neck (ap−6xDC) METRIC VQXL DC 1.4 2.5 30.2−1.0−1.67xDC−6xDC4 I152 35° DC≤0.3 DC≥0.4 Radius End Mills Short / Medium (ap−2.8xDC) METRIC I DC METRIC VQMHVRB 2−20INCH 2−2.8xDC − 4 I162 INCH 37° DC.125040°−.5000 I167 METRIC DC METRIC VQMHVRBF 6−16INCH 2.2−2.4xDC − 4 I170 INCH 37° DC.250040°−.5000 I172 METRIC VFMHVRBCH DC16,20 2.2−2.3xDC − 4 I240 42° 45° METRIC VQT5MVRB 40° DC 2.216−25−2.3xDC− 5 I178 41.5° 43° METRIC VF6MHVRB DC6−20 1.9−2.4xDC − 6 I242 43.5° 45° I017