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Overview SIST EN 20273:1996 is a European standard developed by CEN that provides specifications for clearance holes used with bolts and screws. Fully aligned with ISO 273:1979, this standard focuses…
Overview EN 20273:1991 is a European standard developed by CEN that provides specifications for clearance holes used with bolts and screws. Fully aligned with ISO 273:1979, this standard focuses on d…