Ø 12,5 x 151 x 30 mm Ideally suitable for drilling largish drilling diameters on all commonly-used drilling machines with a clamping chuck up to 13,0 mm. – High performance rolled twist drill consisting of heavy-duty high speed steel. The material is strengthened by the rolled production process and is more resistant to fracture.; Application areas: for steel, alloyed and unalloyed cast iron (up to a strength of 900 N/mm²), grey, malleable, ductile and die-cast iron, sintered iron, nickel silver, graphite, short chipping aluminium alloys, brass and bronze.
- Diameter: 12.5mm
- Surface: Black
- Overall Length: 151mm
- Right cutting
- Point angle: 118 °
- Helix Angle/ Twist Angle: 20° – 30°
- Shaft Length: 20mm
- Ø Tolerance: h8