Poranterä 34.00x190x339 mm Taper shank MORSE 4 HSSCo DIN345RN CSN221143 STIMZET

Cobalt taper shank drill

High-efficient drills with the higher thermal stress resistance are recommended for drilling of prts made of hard-to-machine materials, alloyed steel and cast steel, especially for drilling of cold- or hot-work tool steel, rolls for rolling mills, heat-treatable or carburizing steel, stainless steel.

λ=25°÷30° ε=128°