coated, milling grade. The makers' comparison tables place it at M20 (stainless steel): 2 of 2 tables. The best-confirmed equivalents are Sandvik GC2030, Kennametal KC525M, Iscar IC928, Mitsubishi MC7020.
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 Seco F25M?
GC2030, confirmed by 2 of 2 tables at M20.
What is the Iscar equivalent of Seco F25M?
IC928, confirmed by 2 of 2 tables at M20.
What material is Seco F25M for?
For stainless steel: the comparison tables place it at ISO M20.
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