HiPer-Drill Replaceable Tip Drill Insert, for Steel, Diameter: 21 mm

Vee ground cutter inserts for precise positioning and stable seating. Concentricity when assembled 20 m. For holes up to IT9 accuracy. Special pyramidal point geometry, optimal spot drilling even with unstable conditions and long tool overhangs. Such as when processing sheet metal and steel girders. Also suitable for stack drilling. Note: 1xD maximum drilling depth without through-coolant. Cutting data applies for the base body 5xD. Drill pilot holes exclusively with cutter insert of the same type. Semi-Standard: yes Point angle: 160 degrees Use for drilling: Drilling through a stack for base body size: 21 mm Feed f in steel < 750 N/mm2: 0.3 mm/rev.