O1 tool steel round bar 10mm 13mm 16mm 20mm 26mm 30mm cut to size up to 1000mm
O1 Tool Steel round. O1 TOOL STEEL. Is a genaral purpose oil hardening cold work tool steel. very hard when heat treated upto 65rc. Just select from the drop down box above sizes from 10mm-30mm. 01 steel is supplied soft annealed.