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Turning tools \ Technical introduction – turning - ISO turning

Cemented carbide key

*HC 7620 ① H = Cemented carbide
② C = Coated / W = Uncoated
③ 7 = Generation of cemented carbide grade
④ ISO Group 6 = P; 5 = M; 4 = K ; 3 = N; 2 = S
⑤ As per ISO Group P10; P20; P30;
1 2 3 4 5

*Note: ORION cemented carbide grades follow the same pattern, with the difference that an O is placed in front, e.g. OHC 7625

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
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