TECHNICAL DATA END MILL FEATURES AND SPECIFICATION y NOMENCLATURE Cutter sweep Neck Body (Cutting part) Shank (Handle) Diameter Shank diameter Length of cut Overall length Land width Corner Concavity angle of end cutting edge End cutting edge Peripheral cutting edge Relief width (Flank width) Radial primary relief angle End gash Radial secondary Axial rake angle clearance angle Helix angle Radial rake angle Axial primary relief angle Axial secondary clearance angle y COMPARISON OF SECTIONAL AREA OF CHIP POCKET 2-flutes 3-flutes 4-flutes 6-flutes 50% 45% 40% 20% y CHARACTERISTICS AND APPLICATIONS OF DIFFERENT-NUMBER-OF-FLUTE END MILLS 2-flutes 3-flutes 4-flutes 6-flutes Effective chip disposal. Effective chip disposal. High rigidity. Horizontal feed milling Horizontal feed milling High rigidity. Superior cutting possible. possible. edge durability. P Low rigidity. Diameter is notmeasured easily. Chip disposal is poor. Chip disposal is poor. Various cutting modesincluding slotting, shouldermilling and drilling.Slotting, shoulder millingHeavy cutting, finishingShallow slotting, shouldermilling FinishingMachining hardened steels.Shallow slotting, shouldermilling. P026 TECHNICAL DATA Feature Usage AdvantageFault