Ophthalmic optics - Spectacle frames - Screw threads (ISO 11381:2016)

This International Standard specifies requirements for ISO metric screw threads for use with spectacle
frames. Provision is made for screw threads of the following nominal sizes: S0,8 × 0,2; M1,0 × 0,25;
M1,2 × 0,25; M1,4 × 0,3; M1,6 × 0,35 and M2,0 × 0,4 and for related taps and gauges.

Augenoptik - Brillenfassungen - Schraubgewinde (ISO 11381:2016)

Optique ophtalmique - Montures de lunettes - Filetages (ISO 11381:2016)

ISO 11381:2016 spécifie les spécifications des filetages métriques ISO destinés aux montures de lunettes. Elle concerne les filetages aux dimensions nominales suivantes: S0,8 × 0,2; M1,0 × 0,25; M1,2 × 0,25; M1,4 × 0,3; M1,6 × 0,35 et M2,0 × 0,4 ainsi que les tarauds et calibres correspondants.

Očesna optika - Okviri očal - Navoji vijakov (ISO 11381:2016)

Ta mednarodni standard določa zahteve za metrične navoje vijakov s profilom ISO, ki se uporabljajo z okvirji očal. Pripravljeni so predpisi za navoje vijakov naslednjih nazivnih velikosti: S0,8 × 0,2; M1,0 × 0,25; M1,2 × 0,25; M1,4 × 0,3; M1,6 × 0,35 in M2,0 × 0,4 ter za povezane vrezovalce navojev in merila.

General Information

Status
Published
Publication Date
28-Nov-2016
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
27-Oct-2016
Due Date
01-Jan-2017
Completion Date
29-Nov-2016

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SLOVENSKI STANDARD
SIST EN ISO 11381:2017
01-januar-2017
1DGRPHãþD
SIST EN ISO 11381:2000
2þHVQDRSWLND2NYLULRþDO1DYRMLYLMDNRY ,62
Ophthalmic optics - Spectacle frames - Screw threads (ISO 11381:2016)
Augenoptik - Brillenfassungen - Schraubgewinde (ISO 11381:2016)
Optique ophtalmique - Montures de lunettes - Filetages (ISO 11381:2016)
Ta slovenski standard je istoveten z: EN ISO 11381:2016
ICS:
11.040.70 Oftalmološka oprema Ophthalmic equipment
21.040.10 Metrski navoji Metric screw threads
SIST EN ISO 11381:2017 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 11381:2017
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SIST EN ISO 11381:2017
EN ISO 11381
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2016
EUROPÄISCHE NORM
ICS 11.040.70; 21.040.10 Supersedes EN ISO 11381:1996
English Version
Ophthalmic optics - Spectacle frames - Screw threads (ISO
11381:2016)

Optique ophtalmique - Montures de lunettes - Filetages Augenoptik - Brillenfassungen - Schraubgewinde (ISO

(ISO 11381:2016) 11381:2016)
This European Standard was approved by CEN on 5 September 2016.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 11381:2016 E

worldwide for CEN national Members.
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SIST EN ISO 11381:2017
EN ISO 11381:2016 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 11381:2017
EN ISO 11381:2016 (E)
European foreword

This document (EN ISO 11381:2016) has been prepared by Technical Committee ISO/TC 172 “Optics

and photonics” in collaboration with Technical Committee CEN/TC 170 “Ophthalmic optics” the

secretariat of which is held by DIN.

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 April 2017, and conflicting national standards shall be

withdrawn at the latest by April 2017.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent

rights.
This document supersedes EN ISO 11381:1996.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 11381:2016 has been approved by CEN as EN ISO 11381:2016 without any modification.

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SIST EN ISO 11381:2017
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SIST EN ISO 11381:2017
INTERNATIONAL ISO
STANDARD 11381
Second edition
2016-10-01
Ophthalmic optics — Spectacle frames
— Screw threads
Optique ophtalmique — Montures de lunettes — Filetages
Reference number
ISO 11381:2016(E)
ISO 2016
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SIST EN ISO 11381:2017
ISO 11381:2016(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2016, Published in Switzerland

All rights reserved. Unless otherwise specified, 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
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2016 – All rights reserved
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SIST EN ISO 11381:2017
ISO 11381:2016(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Screw threads .......................................................................................................................................................................................................... 1

4 Definitions and tolerances on lengths of screws ................................................................................................................. 2

4.1 Flat head machine screws ............................................................................................................................................................. 2

4.2 Countersunk head screws ............................................................................................................................................................. 2

4.3 Fillister — countersunk head screws .................................................................................................................................. 2

4.4 Pan and cheese head screws ....................................................................................................................................................... 3

4.5 Tolerance on length ......................................................................................................

...

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