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

Product Information:Drill Bit Size Metric: 4mmDrill Bit Size Imperial: -Effective Length: 78mmOverall Length: 119mmProduct 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. Itis suitable for deep-hole drillings in all normal materials and for deep-holedrillings small forward feeds and frequent chip removal is necessary. It is alsosuitable for applications of steel and cast-steel alloyed and unalloyed up toapproximately 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 fractureHelical point cutRight-hand cutting118° Point angle20 to 30° Helix angleØh8 ToleranceApplications:Industrial