Cincinnati Tool Steel is one of the largest stocking distributors of tool steels, powdered metals and alloys in the tool steel industry. We offer powder metal, pre ground flat stock, drill rod, high speed steel, tool steel rounds, tool steel plate, saw cutting, surface grinding, boring, plate conversion, Multiple Grades; A2, D2, S7, H13, A11 PM, M4 PM, T15 PM, ASP GRADES, O1, A6, O6, 420 SS, M2, 4140 PREHARD, 4140 ANN, L6, P20, S5, D3, C1018, 1020, FM15