HSSCo Drill Taper Shank Tip of 128º Helix at 30º DIN345N 19mm 19x135x233xCM2D1 (Cutting diameter): 19mm L2 ( Length of cut): 135mm L1 (Total length): 233mm D2 (Taper shank morse): CM2 Helical pitch: 30 HSSCO cobalt high speed steel Short series 128 tip 30 propeller Conical handle Applications: Soft magnetic steels, construction and carburizing steels, and non alloyed and alloyed carbon steels up to a strength of 1,100 N mm2 * MADE IN SPAIN * item code: 279019