What is the difference between ISO 4014 'hexagon head bolts' and ISO 4017 'hexagon head screws'? - Quora
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DIN EN ISO 4017:2014 - Fasteners - Hexagon head screws - Product grades A and B (ISO 4017:2014); German version EN ISO 4017:2014 (Foreign Standard)
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Sechskantschrauben DIN-EN-ISO 4017 (ehem. DIN 933) Güte 8.8 verzinkt, Schrauben | Günstige Sicherheitsschrauben, Zubehör & mehr
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