... manufacture quality roll forming tooling, material: D2,skd11. D4 Bearing steel SHRFM knows the importance of roll forming tooling (roll tooling)for ... Cr12Mo1V1(D2,SKD11), Cr12MoV(D4) , Cr12, Gr15(bearing steel) for the roll.We have more than ten years exporting experence, ... size and metric dimension are available.we also provide roll forming machine and roll formed steel profile roll forming tooling