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1、 Reference number ISO 2351-1:2007(E) ISO 2007 INTERNATIONAL STANDARD ISO 2351-1 Second edition 2007-02-15 Assembly tools for screws and nuts Machine-operated screwdriver bits Part 1: Screwdriver bits for slotted head screws Outils de manuvre pour vis et crous Embouts tournevis machine Partie 1: Embo
2、uts tournevis pour vis tte fendue ISO 2351-1:2007(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the comput
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5、entral Secretariat at the address given below. ISO 2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IS
6、O at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2007 All rights reserved -,-,- ISO 2351-1:2007(E) IS
7、O 2007 All rights reserved iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body intere
8、sted in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical
9、Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the tec
10、hnical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO
11、 shall not be held responsible for identifying any or all such patent rights. ISO 2351-1 was prepared by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 10, Assembly tools for screws and nuts, pliers and nippers. This second edition cancels and replaces the first edition (ISO 2351-1:2002
12、), which has been technically revised. ISO 2351 consists of the following parts, under the general title Assembly tools for screws and nuts Machine-operated screwdriver bits: Part 1: Screwdriver bits for slotted head screws Part 2: Screwdriver bits for cross-recessed head screws Part 3: Screwdriver
13、bits for hexagon socket screws -,-,- -,-,- INTERNATIONAL STANDARD ISO 2351-1:2007(E) ISO 2007 All rights reserved 1 Assembly tools for screws and nuts Machine-operated screwdriver bits Part 1: Screwdriver bits for slotted head screws 1 Scope This part of ISO 2351 prescribes the technical specificati
14、ons for machine-operated screwdriver bits for slotted head screws. It applies to bits with male hexagon drive or with cylindrical flat end drive as defined in ISO 1173, and to tips for screwdrivers Type C as defined in ISO 2380-1. It also gives recommended combinations between tips and bits. NOTE Ma
15、chine-operated screwdriver bits are listed under number 3 2 04 01 0 in ISO 1703. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the r
16、eferenced document (including any amendments) applies. ISO 1173, Assembly tools for screws and nuts Drive ends for hand- and machine-operated screwdriver bits and connecting parts Dimensions, torque testing ISO 2380-1, Assembly tools for screws and nuts Screwdrivers for slotted-head screws Part 1: T
17、ips for hand- and machine-operated screwdrivers 3 Dimensions Figure 1 and Table 1 show the recommended combinations of screwdriver bits for slotted head screws. The shape of the liaison between the tip and the driver end is at the discretion of the manufacturer. ISO 2351-1:2007(E) 2 ISO 2007 All rig
18、hts reserved Key 1 Form A 2 Form C 3 Form E 4 Form G a Part in contact with the screw (in accordance with ISO 2380-1, Type C). b Driver end (in accordance with ISO 1173). Figure 1 Screwdriver bits (see Table 1) -,-,- ISO 2351-1:2007(E) ISO 2007 All rights reserved 3 Table 1 Recommended combinations
19、between tip and driver end Dimensions in millimetres Male hexagon or cylindrical flat end of form (in accordance with ISO 1173) Nominal dimensions of tips (in accordance with ISO 2380-1, Type C) A 3 A 5,5 C 4 C 6,3 C 8 C 12,5E 6,3 E 8 E 11,2 G 7 l1 max.51 29 40 42 51 51 86 54 Thickness a Width b l2
20、min.25 11 13 14 14 24 52 47 25 2 X X 0,4 2,5 X X X 3 X X X X X X 0,5 4 X X X X X X 3 X X X X X X 3,5 X X X X X X 0,6 4,5 X X X X X X 4 X X X X X X X 0,8 5,5 X X X X X X X X X 4,5 X X X X X X X X X 5,5 X X X X X X X X X 1 6 X X X X X X X 6,5 X X X X X X X 1,2 8 X X X X X X X 8 X X X X X X X X 1,6 10
21、X X X X X X X 2 12 X X X X 2,5 14 X X X X 4 Technical requirements The technical specifications of bits are the same as those for screwdrivers in accordance with ISO 2380-1, Type C. 5 Torque test Torque testing shall be carried out in accordance with ISO 2380-1, Type C. -,-,- ISO 2351-1:2007(E) 4 IS
22、O 2007 All rights reserved 6 Designation A screwdriver bit in accordance with this part of ISO 2351 shall be designated by: a) “Bit”; b) the reference to this part of ISO 2351 (i.e. ISO 2351-1); c) the form and the dimensions of the driver end (in accordance with ISO 1173); d) the dimensions of the
23、tip (in accordance with ISO 2380-1, Type C). EXAMPLE A screwdriver bit for slotted head screws with a drive end E 11,2 (in accordance with ISO 1173) and the tip dimensions 1,6 mm 8 mm (in accordance with ISO 2380-1, Type C) is designated as follows Bit ISO 2351-1 E 11,2 1,6 8 7 Marking Screwdriver b
24、its in accordance with this part of ISO 2351 shall be marked permanently and legibly with: a) the name of the manufacturer or supplier; b) dimensions of the tip, a b. For male hexagons A 3 and C 4, the marking shall be given only on the smallest commonly used packaging unit. -,-,- ISO 2351-1:2007(E)
25、 ISO 2007 All rights reserved 5 Bibliography 1 ISO 1703, Assembly tools for screws and nuts Designation and nomenclature 2 ISO 2351-2, Assembly tools for screws and nuts Machine-operated screwdriver bits Part 2: Screwdriver bits for cross-recessed head screw 3 ISO 2351-3, Assembly tools for screws and nuts Machine-operated screwdriver bits Part 3: Screwdriver bits for hexagon socket screws -,-,- ISO 2351-1:2007(E) ICS 25.140.01 Price based on 5 pages ISO 2007 All rights reserved