AISI O-1 Hardened Tool Steel that is oil quenched in heat treatment.
Specifications:
UNS T31501, AISI O1, ASTM A+681, QQ-T-570, SAE J437, SAE J438
Applications:
Tools for cuttings, blanking, punching, piercing, cropping, shearing, trimming. Gauges, screw dies, precision tools, reamer, form cutters, measuring tools, drills, taps, nozzles.
O1 Drill Rod