ISO INTERNATIONAL STANDARD 12261 Third edition 2023-11 Aerospace Screws, pan head, internal offset cruciform ribbed or unribbed drive, pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa - Dimensions Aéronautique et espace - Vis a tete cylindrique, a empreinte cruciforme déportée, avec ou sans saillies antidérapantes, a tige de diametre égal au diametre sur flancs et filetage Mj long, en matériau métallique, revetues ou non revetues, des classes de résistance inferieures ou égales a1100 MPa -Dimensions Reference number IS0 12261:2023(E) os1 @ IS0 2023 IS0 12261:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 All rights reserved. Unless otherwise specified, or required 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 on 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 of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii @IS0 2023 - All rights reserved