Ruko (203040) Twist Drill Bit HSS DIN340 4mm 78mm Effective 119mm

Product Information: Drill Bit Size Metric: 4mm Drill Bit Size Imperial: - Effective Length: 78mm Overall Length: 119mm Product Range: - Product Overview: The 203040 is a DIN-340 type-N Twist Drill made of rolled high speed steel (HSS) with bright surface. It is highly efficient standard drill in long version. It is suitable for deep-hole drillings in all normal materials and for deep-hole drillings small forward feeds and frequent chip removal is necessary. It is also suitable for applications of steel and cast-steel alloyed and unalloyed up to approximately 900N/mm² strength, grey cast, malleable cast iron, die-cast metal, iron sinter, nickel-silver, graphite cast iron, short-chipping aluminium alloys, bronze and brass. High security against fracture Helical point cut Right-hand cutting 118° Point angle 20 to 30° Helix angle Øh8 Tolerance Applications: Industrial