DIN 338 type N, right-hand cutting, taper bevel grinding as point grinding, cross grinding as point sharpening, 130° point angle, 20 - 30° helix angle, high heat resistance, for highest stress, golden brown surface, cobalt-alloyed high-performance steel, can be used in unalloyed and alloyed steels up to 1100 N/mm² strength, heat-treatable and case-hardening steels, stainless and acid-resistant steels and hot and cold work steels





