Trend 50/04X8MMHSSE Helical plunge cutter 4 mm diameterPlunge SlottingCutter are designed to plunge and machine or mill lateral slots. All aluminium tooling should be used with a coolant, wax stick or lubricant. Material should be securely clamped.Single flute helical for drilling and slotting, cutting aluminium anodised duralium and uPVC plastic. Ideal for recessing and slotting extrusions. HSSE is a special grade for machining the most abrasive anodised finishes.Specification-D=4 mmC=12 mmOL=60 mmShank Diameter=8 mmRec. speed=10000-12000 rpm