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![O1 TOOL STEEL - Flats, Squares, Rounds](https://images.findtheneedle.co.uk/findtheneedle/products/16031870.jpg)
O1 is an oil hardening carbon manganese tool steel, possessing excellent dimensional stability during heat treatment.
For more information on O1 TOOL STEEL - Flats, Squares, Rounds talk to Steel Express (Steelexpress)
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