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🇪🇺 Europe equivalent of

M2 / HS6-5-21.3343

HS6-5-21.3343100%

Standard: EN · Source: EN ISO 4957

Reference grade

Other international equivalents

CountryStandardGradeMatch
🇺🇸USAAISIAISI M2REF
🇯🇵JapanJISSKH5195%