ISO INTERNATIONAL STANDARD 3506-2 Third edition 2020-04 Fasteners Mechanical properties of corrosion-resistant stainless steel fasteners Part 2: Nuts with specifhied grades and property classes FixationsCaracteristiquesmecaniquesdesfixationsen acier inoxydable résistant a la corrosion Partie 2 Ecrous de grades eti asses de qualitespecifies Reference number ISO 3506-2:2020(E) TSO @ISO2020 IS0 3506-2:2020(E) COPYRIGHTPROTECTEDDOCUMENT @IS02020 All rights reserved. Unless otherwise specified, or reguired in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting pn the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country ofthe requester so copyght oice CP 401 Ch. de Blandonnet 8 CH-1214 Vernier Genewa Phone: +4122 749 01 11 Fax:+41227490947 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved