PVD coated, turning grade. The makers' comparison tables place it at K20 (cast iron): 3 of 3 tables. The best-confirmed equivalents are Seco CP200, Mitsubishi VP10RT, Sumitomo AC1030U, Tungaloy AH120.
The tables disagree: Tungaloy (2023-24) also lists it for H (hardened materials); the other tables do not.
The tables disagree: Tungaloy (2023-24) also lists it for K (cast iron); the other tables do not.
Note: table built by cross-checking the comparison tables published by Mitsubishi Materials (2025-2027 catalogue), Tungaloy (2023-2024) and Kyocera (2021). Each maker states its table is an estimate based on publications, not approved by the companies named; this one is not approved by them either. Equivalences are indicative: substrate, coating and geometry differ between brands. The catalogue of the grade you use is what counts. Grade names and trademarks belong to their owners.
Frequently asked questions
What is the Sandvik equivalent of Iscar IC908?
GC1020, confirmed by 1 of 3 tables at K20.
What is the Mitsubishi equivalent of Iscar IC908?
VP10RT, confirmed by 3 of 3 tables at K20.
What material is Iscar IC908 for?
For cast iron: the comparison tables place it at ISO K20.
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