Mould Steel,Tools steel 2.2mm-160mm,HSS steel,cold drawing ,rolled ,black surface & bright finished surface treatment We could manufacture such special steel as:M2(1.2367),M42,M35,SKD11,H13,H11,W18,etc.If any interest,please contact us. High speed steel bar SKD11 D2 D3 H13 H11 M2 W9