ISO 898-7 PDF

Buy GOST R ISO MECHANICAL PROPERTIES OF FASTENERS – PART 7: TORSIONAL TEST AND MINIMUM TORQUES FOR BOLTS AND. Find the most up-to-date version of ISO at Engineering Purchase your copy of BS EN , ISO as a PDF download or hard copy directly from the official BSI Shop. All BSI British.

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The work of preparing International Standards is normally carried out through IS0 technical committees. Your basket is empty. Each member body interested in isp subject for which a technicai committee has been established has the right to be represented on that committee. Part 1 does not specify properties for fasteners that have head geometries that reduce the shear strength of the fastener, such as ios head screws and countersunk heads.

It defines properties for sizes M1. Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread [2] 2. Mechanische Eigenschaften von Verbindungselementen.

We use cookies to make our website easier to use and to better understand your needs. With exception to part 7, which defines test standards, the parts of this standard define properties for fasteners made of carbon steel and alloy steel. Nuts with specified proof load values — Fine pitch thread [5] 7.

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Please download Chrome or Firefox or view our browser tips. No part of this publication may be reproduced 8988-7 by any means, electronic or mechanical, including photocopying permission in writing from the publisher.

Retrieved from ” https: Clamp the bolt or screw into the test device over at least two full threads, having a free thread length of at least one thread diameter sio between the head of the bolt or screw and the threaded insert see figure I.

For the note time being, minimum breaking torques can specified for property classes 8. Part 6 is the same as part 2 except for fine threaded nuts that range from M8 to M Part 1 defines the mechanical properties of bolts, screwsand studs.

Torsional test and minimum torques for bolts and screws with nominal diameters 1 889-7 to 10 mm Status: Worldwide Standards We can source any standard from anywhere in the world.

BS EN 20898-7:1995, ISO 898-7:1992

Nuts with specified proof load values — Coarse thread [3] 5. You may find similar items within these categories by selecting from the choices below:. It also excludes set screwswhich are covered under part 5.

By using this site, you agree to the Terms of Use and Privacy Policy. Learn more about the cookies we use and how to change your settings. Part 2 8987 the mechanical properties for coarse threaded nuts up to an M39 size and a height of at least half 988-7 nominal diameter.

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Figure 1 is only an example of a suitable test device. ISO standards by standard number.

Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm. The minimum breaking torques have been determined on the basis of cross-sections resulting from the minimum values of the minor diameter of the thread tolerance 6g. The faster, easier way to work with 898. Apply the torque in a continuously increasing manner. Torsionsversuch und Mindest-Bruchdrehomomente fuer Schrauben mit Nenndurchmessern 1 mm bis 10 mm.

ISO is an international standard that defines mechanical and physical properties for metric fasteners. At the time of publication, the edition indicated was valid.

Mechanical properties of fasteners. Essai de 89-87 et couples minimaux de rupture diamktre nominal de filetage de 1 mm isl 10 mm Reference number IS0 Tests have shown that the torques can also be used for bolts and screws with thread tolerances 6f and 6e. Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to,10 mm 1 scope 3. Set screws and similar threaded fasteners not under tensile stresses [4]. Click to learn more.