1.High Speed Tool Steel M2 (1.3343),M35,M42 2.EAF-LF-VD-ESR 3. ... ;Cold Drawn:2-14 1. AISI M2 is a general purpose high speed steel. M2 high speed steel offers good wear resistance ... (one hour per inch of total thickness). Double tempering of M2 high speed steel is essential with intermediate cooling to room ...