... steel O1/1.2510 product Specifications: 1.2510: Tool Steel, 1.2510 / O1 / SKS 3 / 9CrWMn, 1.2842 / O2, D2/1.2379, H13/1.2344, A2 ... , O1/1.2510, S7, L61.2510: 1. Tool Steel, 1.2510 / O1 / SKS ... , 1.2842 / O2, D2/1.2379, H13/1.2344, A2, O1/1.2510, S7, L62. Size : Round bar (dia.50 - 400mm), Flat bar (thickness 30 ...