RUKO Twist drill DIN 340 type N nominal dm 4.2 mm HSS profile ground cylinder shank 10xdm right-h. cut.

HSS
– DIN 340
– Type N
– Point angle 118°
– Profile-ground
– Relieved cone
– With straight shank
– Right-hand cutting
– Powerful twist drill with greater concentricity in long type
– Suitable for deep drilling operations in conventional materials
– High protection against breakage
– Small feed rates and more frequent chip clearance is required for deep bores
– For steel, alloyed and unalloyed cast steel (up to approx. 900 N/mm² strength grey cast iron, malleable iron, ductile iron and die-cast iron, sintered iron, nickel silver, graphite, short-chipping aluminium alloys, bronze and brass Further technical information:
– Cutting direction: Right-hand cutting
– Feed in steel up to 800 N: 0,1mm/rev
– Quality: Profile-ground