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Overview EN ISO 21670:2014 (ISO 21670:2014) covers specifications for hexagon weld nuts with flange (weld nuts) of product grade A. It defines sizes, material limits, mechanical properties, tolerance…
Overview ISO 21670:2014 specifies the characteristics of hexagon weld nuts with flange of product grade A. The standard covers sizes M5 to M16 (coarse thread) and fine-pitch variants (approximately 8…