O1 Tool Steel is a general purpose oil-hardening tool and die steel.
Normal care in heat treatment gives good results in hardening and produces small dimensional changes.
O1 has good abrasion resistance and sufficient toughness for a wide variety of tool and die applications.
When properly annealed, O1 has a machinability rating of 90 when compared to a 1% Carbon Steel rated at 100.
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Tool Steel Ground Square Stock O1
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