EN 20898-7 PDF

In case of doubt, the German-language original shall be considered authoritative. English price group 12 www. DIN EN ISO consists of the following parts, under the general title Mechanical properties of fasteners made of carbon steel and alloy steel: — Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread — Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread — Part 5: Set screws and similar threaded fasteners with specified hardness classes — Coarse thread and fine pitch thread — Part 6: Nuts with specified proof load values — Fine pitch thread — Part 7: Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm? This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December , and conflicting national standards shall be withdrawn at the latest by December Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.

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Kajishakar Part 1 defines the mechanical properties of bolts, screwsand studs. Also since bolts and screws with threads greater than M3 LID to anproximately Ml0 often cannot be subjected io a tensile test or proof load test due to their short lengths, minimum, breaking torques have been specified for bolts and screws Ml to Ml0 ineluding the fine pitch threads M8 x 1: Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.

Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread [2]. By using this site, you agree to the Terms of Use and Privacy Policy. BS EN , ISO 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.

It also excludes set screwswhich are covered under part 5. The properties are defined for M1. Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm. Set screws and similar threaded fasteners not under tensile stresses [4]. Nuts with specified proof load values — Coarse thread [3] 5.

All standards are subject to revision, and parties to agreements based on this part of IS0 are encouraged to investigate the possibility iwo applying the most recent edition of the standard indicated below. Part 1 does not specify properties for fasteners that have head geometries that reduce the shear strength of the fastener, such as low head screws and countersunk heads.

Worldwide Standards We can source any standard from anywhere in the world. Figure 1 is only an example of a suitable test device. Ml0 x 1 and Ml0 x 1,25 which allow an evaluation of the functional properties of the bolts and screws. Accept and continue Learn more about the cookies we use and how to change your settings.

Part 6 is the same as part 2 except for fine threaded nuts that range from M8 to M Take the smart route to manage is device compliance. Part 2 defines the mechanical properties for coarse threaded nuts up to an M39 size and a height of at least half the nominal diameter. Essai de torsion et couples minimaux de rupture diamktre nominal de filetage de 1 mm 9 10 mm Reference number IS0 Nuts with specified proof load values — Fine pitch thread [5] 7.

No part of this publication may be reproduced or by any means, electronic or mechanical, including photocopying permission in writing from the publisher. Mechanische Eigenschaften von Verbindungselementen. Bolts, screws and studs Part 2: 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.

Find Similar Items This product falls into the following categories. The test applies to bolts and screws with thread less than M3 for which no breaking and proof loads are indicated In IS0as well as to short bolts and screws with nominal diameters 3 mm to 10 mm which cannot be subjected to a tensile test. Please download Chrome or Firefox or view our browser tips. Part 5 defines the mechanical properties for set screws and other fasteners not under tensile stresses.

It defines properties for sizes M1. Search all products by. Set screws and similar threaded fasteners not under tensile stresses [4] 6. Torsional test and minimum torques with nominal diameters 1 mm to 10 mm for bolts and screws only. Nuts with specified proof load values — Fine pitch thread [5].

Torsionsversuch und Mindest-Bruchdrehomomente fuer Schrauben mit Nenndurchmessern 1 mm bis 10 mm. ISO — Wikipedia We use cookies to make our website easier to use and to better understand your needs. Click to learn more. Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread [2] 2.

ISO — Mecha For the note time being, minimum breaking torques can specified for property classes 8. Nuts with specified proof load values — Jso pitch thread Part 7: Most Related.

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Dulkree Torsionsversuch und Mindest-Bruchdrehomomente fuer Schrauben mit Nenndurchmessern 1 mm bis 10 mm. Already Subscribed to this document. We use cookies to make our website easier to use and to better understand your needs. Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm Status: Customers who bought this product also bought BS EN Mechanical properties of fasteners. Accept and continue Learn more about the cookies we use and how to change your settings. Your basket is empty. This standard is not included in any packages.

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