ISO-14279-2002.pdf

Reference number ISO 14279:2002(E) © ISO 2002 INTERNATIONAL STANDARD ISO 14279 First edition 2002-06-15 Aerospace Drives, internal, cruciform Metric series Aéronautique et espace Empreintes cruciformes Série métrique Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14279:2002(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's 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 computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. 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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.ch Web www.iso.ch Printed in Switzerland ii © ISO 2002 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14279:2002(E) © ISO 2002 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 interested 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 Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical 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 International Standard may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 14279 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 4, Aerospace fastener systems. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 14279:2002(E) © ISO 2002 All rights reserved 1 Aerospace Drives, internal, cruciform Metric series 1 Scope This International Standard specifies the dimensions of metric internal cruciform drives used in metric screws in the nominal thread diameter range of 1,6 mm to 20 mm. Drivers and gauges used in conjunction with these drives are defined in ISO 14280 and ISO 14281. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 3202:1997, Aerospace Screws, pan head, internal offset cruciform ribbed or unribbed drive, threaded to head, MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa Dimensions ISO 5856:1991, Aerospace Screws, 100° normal countersunk head, internal offset cruciform ribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa Dimensions ISO 7913:1994, Aerospace Bolts and screws, metric Tolerances of form and position ISO 13921:1996, Aerospace Screws, 100° reduced countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa Dimensions Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14279:2002(E) 2 © ISO 2002 All rights reserved 3 Configuration and dimensions See Figures 1, 2, 3 and 4 and Tables 1, 2, 3 and 4. Dimensions and tolerances are expressed in millimetres. The presentation of the location tolerances conforms to ISO 1101. 4 Designation The drive designation shall be as follows: Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14279:2002(E) © ISO 2002 All rights reserved 3 a Values of parameters for specified heads are listed in Tables 2, 3 and 4. b This location tolerance applies to all head configurations. c As defined in ISO 7913. Figure 1 Configuration Drive Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14279:2002(E) 4 © ISO 2002 All rights reserved Table 1 Dimensions Drive B C F G K M N R U Drive code nom.tol. 0° 0°15' nom. tol. 0,05 0 + nom. tol. 0°15' 0° + max. Drive code inches b R0 0,64 ± 0,03 a 0,36 0,81 0,2 0,36 0 0,09 0,3 0 R1 0,96 0 0,03 138° 0,53 0 0,05 1,27 0,3 0,46 7° 0,6 1 R2 1,47 140° 0,74 2,29 0,6 0,84 0,7 0,3 2 R3 2,41 146° 0,81 3,81 1 2,03 5° 45' 0,8 3 R4 3,48 153° 1,27 5,08 1,3 2,44 0,9 0,4 4S/4L R5 5,76 ± 0,03 162° 46' 1,78 0 0,08 7,9 2,1 4,09 0 0,05 7° 1,1 0,6 5 a Radius: 0,26 max.; 0,19 min. b For information and comparison purposes only. a Gauge penetration Figure 2 Configuration Drive in normal 100° countersunk head Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14279:2002(E) © ISO 2002 All rights reserved 5 Table 2 Dimensions Drive in normal 100° countersunk head H J Gauge penetration Screw normal shank or thread diameter a Drive code max. min. max. min. max. min. 1,6 1,52 1,19 0,89 0,48 0,711 0,305 2 R0 1,93 1,60 1,30 0,89 1,118 0,711 2,5 2,59 2,26 1,60 1,19 1,422 1,016 3 R1 2,97 2,64 1,98 1,57 1,803 1,397 3,5 3,91 3,58 2,18 1,60 1,905 1,321 4 4,29 3,96 2,57 1,98 2,286 1,702 5 R2 4,67 4,34 2,95 2,36 2,667 2,083 6 6,27 5,94 3,43 2,84 2,997 2,413 7 R3 6,81 6,48 3,96 3,38 3,531 2,946 8 8,05 7,72 4,27 3,71 3,759 3,200 10 8,66 8,33 4,91 4,34 4,394 3,835 12 9,60 9,27 5,84 5,28 5,334 4,775 14 R4 10,77 10,44 7,01 6,45 6,502 5,944 16 13,11 12,52 7,14 6,48 6,299 5,639 18 14,15 13,56 8,18 7,52 7,341 6,680 20 R5 14,66 14,07 8,69 8,03 7,849 7,188 a Normal 100° countersunk head as defined in ISO 5856. a Gauge penetration Figure 3 Configuration Drive in reduced 100° countersunk head Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14279:2002(E) 6 © ISO 2002 All rights reserved Table 3 Dimensions Drive in reduced 100° countersunk head H J Gauge penetrationScrew normal shank or thread diameter a Drive code max. min. max. min. max. min. 4 3,91 3,58 2,18 1,60 1,905 1,321 5 4,29 3,96 2,57 1,98 2,286 1,702 6 R2 4,42 4,09 2,69 2,11 2,413 1,829 7 5,92 5,59 3,07 2,49 2,642 2,057 8 R3 6,27 5,94 3,43 2,84 2,997 2,413 10 8,05 7,72 4,27 3,71 3,759 3,200 12 9,25 8,92 5,49 4,93 4,978 4,420 14 9,98 9,65 6,22 5,66 5,715 5,156 16 R4 10,77 10,44 7,01 6,45 6,502 5,944 18 13,11 12,52 7,14 6,48 6,299 5,639 20 R5 14,15 13,56 8,18 7,52 7,341 6,680 a Reduced 100° countersunk head as defined in ISO 13921. a Gauge penetration Figure 4 Configuration Drive in pan head Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14279:2002(E) © ISO 2002 All rights reserved 7 Table 4 Dimensions Drive in pan head H J Gauge penetrationScrew normal shank or thread diameter a Drive code max. min. max. min. max. min. 1,6 1,73 1,40 1,09 0,69 0,914 0,508 2 R0 1,93 1,60 1,30 0,89 1,118 0,711 2,5 2,59 2,26 1,60 1,19 1,422 1,016 3 R1 2,72 2,39 1,73 1,32 1,549 1,143 3,5 3,91 3,58 2,18 1,60 1,905 1,321 4 4,04 3,71 2,31 1,73 2,032 1,448 5 R2 4,80 4,47 3,07 2,49 2,794 2,210 6 6,55 6,22 3,71 3,12 3,277 2,692 7 R3 6,81 6,48 3,96 3,38 3,531 2,946 8 8,48 8,15 4,72 4,17 4,216 3,658 10 9,60 9,27 5,84 5,28 5,334 4,775 12 R4 10,39 10,06 6,63 6,07 6,121 5,563 a Pan head as defined in ISO 3202. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14279:2002(E) 8 © ISO 2002 All rights reserved Bibliography 1 ISO 1101:1), Geometrical Product Specifications (GPS) Geometrical tolerancing Tolerances of form, orientation, location and run-out 2 ISO 14280:2002, Aerospace Drivers, ribbed, for internal cruciform ribbed or unribbed drives Metric series 3 ISO 14281:2002, Aerospace Gauges, for internal cruciform ribbed or unribbed drives Metric series 1) To be published. (Revision of ISO 1101:1983) Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14279:2002(E) ICS 49.030.20 Price based on 8 pages © ISO 2002 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 08:19:34 MDTNo reproduction or networking permitted without license from IHS -,-,-