E459 4 Flute Endmills R40/42 VA Regular Harmony If helical plunging/ramping and side milling is required with 1 tool, then this is the ideal design. The endteeth geometry has high relief & chip space to enable an efficient process, without the need to drill a hole. Excellent solution for stainless steels & difficult super alloy type materials Optimised geometry with variable helix design ensures high productivity Suitable for slotting, side cutting and finishing applications with the one tool HELICA for outstanding oxidation resistance and hot hardness VHM-ULTRA grade of carbide for high performance Technical Specs: Diameter 12 mm O/A Length 83 mm Length of Flute 36 mm Shank 12 mm Flute 4