1.2357 (56NiCrMoV7) Tool Steel Flat Bar featuring superior shock resistance with 1.5-1.8% Ni and balanced Cr-Mo content. Available in precision-milled finishes with tight tolerances from 5-100mm thickness. Offers exceptional impact toughness up to 40J at 52 HRC, good wear resistance, and excellent fatigue strength. Ideal for impact tools, cold heading dies, toughness-critical molds, and applications requiring superior resistance to breakage under extreme stress.