Solid tungsten carbide router cutter complete with two spiral flutes. Suitable for fine ‘finishing’ cuts combined with high fee rate in soft wood, hard wood (with or without coating). Carbide for maximum durability in abrasive materials. Up-Cut spiral for optimum chip flow ad improved finishing on the bottom of the board. Down-cut for better clamping when machining small work pieces and improved finish on top of the board. For use on routers and machining centers with or without CNC control. Up cut prevents burning in plunge cuts. Requires good vacuum. Suitable for slotting, grooving and aluminium MAX RPM 28,000 Sizing (Refer to Last Picture): D=9.5mm B=25.4mm L=63.5mm d=9.5mm