Type No. of Flutes Applications, FeaturesFor Difficult-to-cut MaterialsFor HeatResistant Alloy Coating or Substrate Size Range Carbon Steel,Alloy Steel, Cast Iron Tool steel, Pre-Hardened Steel, Hardened Steel Hardened Steel(-55HRC) Hardened Steel(55HRC-) Austenitic Stainless Steel TitaniumAlloy, Heat ResistantAlloy Copper Alloy Aluminum Alloy Page SOLID END MILLS Work Material P H M S N ProductCode Shape VF6MHVRB METRIC u uDC 6─20 e e I242 6 Corner radius, Medium cut length, 6 flute, Irregular helix flutes VQ6MHVRBCH Corner radius, Medium cut length, METRIC u uDC 10─20 e e u I176 6 flute, Irregular helix flutes, with multiple thru-coolant 5 VQT5MVRB Corner radius, METRICDC 16,20,25 e e I178 Medium cut length, 5 flute, Irregular helix flutes, With coolant hole 8 VF8MHVRBCH Corner radius, Medium cut length, METRIC u uDC 16,20 e e I244 8 flute, Irregular helix flutes, with multiple thru-coolant 4 CE4SRB METRICDC 6─12 e I280 Corner radius, short cut length, 4 flute 6 CE6SRB METRICDC 6─12 e I281 Corner radius, short cut length, 6 flute I I029