GUHRING Foret helicoidal DIN345 HSS rectifie type N queue CM 20,50mm

Jobber drill with Morse taper shankDesign: Right cutting, with precision ground point. Point thinning according to DIN 1412, form A, normal angle of rake, core thickness and core gradient. Application: Particularly suitable for steel and steel casting (alloyed and non-alloyed) grey cast iron, malleable cast iron, nodular iron, sintered iron and graphite. With high concentricity and graduation precision.