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A-2 Tool Steel is general purpose, 5% chrome air hardening tool steel. A-2 is popular because it has better wear resistance compared to S-7, A-6 and A-8 Tool Steel. A-2 is tougher and more ductile than D-2 Tool Steel. A-2 is also a very safe grade of Tool Steel to harden, and can be heat treated in most tool room furnaces without problem. When compared to a 1% carbon steel, A-2 has a machinability rating of 65.<BR><BR>

Made in USA A-2 Air Hardening Drill Rod 4mm

made-in-usa-a-2-air-hardening-drill-rod-4mm

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