Type No. of Flutes Applications, FeaturesMaterialsFor Difficult-to-cutForChamfering 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 ROUGHING VQSVR METRICDC 3─20 e e e e u I155 3 Roughing end mill, Short cut length, 3─4 flute, Irregular helix flutes 4 VFSFPR METRICDC 3─20 e e e e I196 Roughing end mill, Short cut length, 3─4 flute VFMFPR METRICDC 5─20 u u e e I200 4 Roughing end mill, Medium cut length, 4 flute VFSFPRCH Roughing end mill, METRIC u uDC 16,20 e e I198 Short cut length, 4 flute, with multiple thru-coolant 6 VF6SVRCH Roughing end mill, Short cut length, METRIC u uDC 16,20 e e I199 6 flute, Irregular helix flutes, with multiple thru-coolant CHAMFER CUTTER 2 VC2C METRICDC 2─12 e e u e e u u I122 Chamfer cutter, 2 flute I I031