1、BRITISH STANDARD AEROSPACE SERIES BS EN 2926:1996 Bolts, double hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated Classification:900Mpa (at ambient temperature)/650 C The European Standard EN 2926:1996 has the status of a British Standard ICS 49.040.2
2、0BSEN2926:1996 This British Standard, having been prepared under the directionof the Engineering SectorBoard, was published underthe authority of the Standards Board and comes intoeffect on 15June1996 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference A
3、CE/12 Draft for comment 88/76217 DC ISBN 0 580 25937 4 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, upon which the following bodies were represented: Association of El
4、ectronic, Telecommunications and Business Equipment Industries British Industrial Fasteners Federation Ministry of Defence Society of British Aerospace Companies Amendments issued since publication Amd. No. Date CommentsBSEN2926:1996 BSI 10-1999 i Contents Page Committees responsible Inside front co
5、ver National foreword ii Foreword 2 1 Scope 3 2 Normative references 3 3 Required characteristics 3 4 Designation 8 5 Marking 8 6 Technical specification 8 Figure 1 4 Table 1 4 Table 2 5 List of references Inside back coverBSEN2926:1996 ii BSI 10-1999 National foreword This British Standard has been
6、 prepared by Technical Committee ACE/12 and isthe English language version of EN2926:1996 Aerospace series Bolts, doublehexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated Classification:900Mpa (at ambient temperature)/650 C, published by the European C
7、ommittee for Standardization (CEN). EN 2926:1996 was produced as a result of international discussions in which the United Kingdom took an active part. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their corr
8、ect application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred to Corresponding British Standard EN 2424:1995 BS EN 2424:1995 Marking of aerospace products ISO 3353:1992 BS 2A 231:1993 Rolled threads for bolts. Lea
9、d and runout requirements ISO 5855-2:1988 BS 6293 Aerospace. MJ threads Part 2:1994 Limit dimensions for bolts and nuts Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, theEN title page, pages2 to8, an inside back cover and a back cover. This standard has
10、been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN2926 March1996 ICS49.040.20 Descriptors: Aircraft industry, double hexagonal head screw, heat resist
11、ant steel, silver coating, classification, dimension, surface treatment, designation English version Aerospace series Bolts, double hexagon head, relievedshank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated Classification:900Mpa (at ambient temperature)/650 C Srie arospatiale
12、Vis tte bihexagonale, ft dgag, filetage long, en acier rsistant chaud FE-PA92HT (A286), argentes Classification: 900Mpa ( temprature ambients)/650 C Luft- und Raumfahrt Zwlfkantschrauben, Dnnschaft, langes Gewinde, aus hochwarmfestem Stahl FE-PA92HT (A286), versilbert Klasse:900MPa (bei Raumtemperat
13、ur)/650 C This European Standard was approved by CEN on1995-08-31. 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
14、 references concerning such national standards may be obtained on application to the Central Secretariat 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 mem
15、ber into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Swe
16、den, Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. EN 2926:1996 EEN2926:1996 BSI 10-1999 2 Foreword This
17、European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this Association, this Standard has successively received the approval of the National Associations and the Official Services of t
18、he member countries of AECMA, prior to its presentation to CEN. 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 September1996, and conflicting national standards shall be withdrawn at the latest b
19、y September1996. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Po
20、rtugal, Spain, Sweden, Switzerland and UnitedKingdom.BS2926:1996 BSI 10-1999 3 1 Scope This standard specifies the characteristics of double hexagon headed bolts with relieved shank and long thread, in FE-PA92HT, silver plated, for aerospace applications. Classification:900MPa 1) /650 C 2) 2 Normati
21、ve references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any
22、 of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. ISO 3353, Aerospace Rolled threads for bolts Lead and runout requirements. ISO 4095, Fasteners for aerospace
23、 construction Bi-hexagonal wrenching configuration. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts. EN 2399, Heat resisting steel FE-PA92-HT R mU 900MPa Bars for forged bolts D k 25mm Aerospace series 3) . EN 2424, Aerospace series Marking of aerospace products. EN 2576
24、, Aerospace series Bolts in heat resisting steel FE-PA92HT (A286) Classification:900MPa/650 C Technical specification 4) . EN 2786, Aerospace series Electrolytic silver plating of fasteners 4) . EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire for forged fastene
25、rs D k 15mm 900MPa k R mk 1100MPa 4) . 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses SeeFigure 1 andTable 1 andTable 2. Dimensions and tolerances are in millimetres. They apply after silver plating. 3.2 Materials EN 2399 or EN 3639 3.3 Surface treatment EN 2786 Thickness:
26、 thread:3 m to6 m, shall be measured at the pitch diameter; other areas may show complete coverage, without thickness requirement. 1) Minimum tensile strength of the material at ambient temperature 2) Maximum test temperature of the parts 3) Published as AECMA Standard at the date of publication of
27、this standard 4) Published as AECMA Prestandard at the date of publication of this standardEN2926:1996 4 BSI 10-1999 Table 1 1)When the length of the shank is less than one times the nominal value of the shank diameter D, the runout is measured at a distance equal to half the actual shank length. 2)
28、For bolts having a shank length less than one times the nominal value of the shank diameter D, and for those threaded to head, the pitch diameter axis shall be used as the datum. Figure 1 Thread a D E F G H K Q R 1 S b T U V X Y Z Code Designation 0,13 max. min. min. min. max. min. 0,5 max. min. min
29、. max. min. max. min. 050 MJ5 0,8-4h6h 4,48 9,1 8,3 6,8 1 5,65 5,02 3,4 0,5 0,3 7 2 2,9 2,5 3,7 3,2 0,003 0,12 0,13 060 MJ6 1-4h6h 5,35 10,6 9,8 7,8 1,2 6,15 5,52 4,2 0,7 0,5 8 2,3 3,2 2,8 4,6 4,1 0,15 070 MJ7 1-4h6h 6,35 12,1 11,3 8,8 1,4 6,68 5,92 5,2 9 2,6 3,7 3,3 5,4 4,9 0,18 080 MJ8 1-4h6h 7,35
30、 13,6 12,8 9,8 1,6 7,18 6,42 6,2 10 2,8 4,1 3,7 5,7 5,2 0,15 0,2 100 MJ10 1,25-4h6h 9,19 16,7 15,7 11,8 2 8,18 7,42 7,9 0,8 0,6 12 3,1 5,1 4,7 7,2 6,7 0,0025 0,25 120 MJ12 1,25-4h6h 11,19 19,9 18,8 13,7 2,4 9,38 8,62 9,8 0,9 14 3,5 6 5,6 8,5 8 0,18 0,3 a In accordance with ISO 5855-2 b Bihexagonal w
31、renching configuration in conformity with ISO4095 over length T min.EN 2926:1996 BSI 10-1999 5 Table 2 Length code N 0,3 Thread code 050 060 070 080 100 120 W Mass 3) W Mass 3) W Mass 3) W Mass 3) W Mass 3) W Mass 3) max. min. max. min. max. min. max. min. max. min. max. min. 008 8 2,1 1,7 3,14 010
32、10 3,39 2,7 2,2 4,86 2,7 2,2 6,85 2,7 2.2 9,17 012 12 3,64 5,22 7,35 9,84 014 14 3,89 5,57 7,85 10,51 3,3 2,7 17,02 016 16 4,14 5,93 8,35 11,18 18,07 3,4 2,8 28,34 018 18 4,39 6,29 8,86 11,86 19,12 29,89 020 20 4 2,5 4,64 6,64 9,36 12,53 20,17 31,45 022 22 6 4,5 4,89 4 2,5 7,00 9,86 13,20 21,22 33,0
33、0 024 24 8 6,5 5,14 6 4,5 7,36 4 2,5 10,36 13,87 22,26 34,56 026 26 10 8,5 5,39 8 6,5 7,71 6 4,5 10,86 4 2,5 14,54 23,31 36,11 028 28 12 10,5 5,64 10 8,5 8,07 8 6,5 11,36 6 4,5 15,22 24,36 37,67 030 30 14 12,5 5,89 12 10,5 8,42 10 8,5 11,87 8 6,5 15,89 4 2,7 25,41 39,22 032 32 16 14,5 6,14 14 12,5 8
34、,78 12 10,5 12,37 10 8,5 16,56 6 4,5 26,46 40,78 034 34 18 16,5 6,39 16 14,5 9,14 14 12,5 12,87 12 10,5 17,23 8 6,5 27,51 4 2,8 42,34 036 36 20 18,5 6,63 18 16,5 9,49 16 14,5 13,37 14 12,5 17,91 10 8,5 28,56 6 4,5 43,89 038 38 22 20,5 6,88 20 18,5 9,85 18 16,5 13,87 16 14,5 18,58 12 10,5 29,60 8 6,5
35、 45,45 040 40 24 22,5 7,13 22 20,5 10,20 20 18,5 14,37 18 16,5 19,25 14 12,5 30,65 10 8,5 47,00 042 42 26 24,5 7,38 24 22,5 10,56 22 20,5 14,88 20 18,5 19,92 16 14,5 31,70 12 10,5 48,56 044 44 28 26,5 7,63 26 24,5 10,92 24 22,5 15,38 22 20,5 20,59 18 16,5 32,75 14 12,5 50,11 046 46 30 28,5 7,88 28 2
36、6,5 11,27 26 24,5 15,88 24 22,5 21,27 20 18,5 33,80 16 14,5 51,67 048 48 32 30,5 8,13 30 28,5 11,63 28 26,5 16,38 26 24,5 21,94 22 20,5 34,85 18 16,5 53,22 050 50 34 32,5 8,38 32 30,5 11,99 30 28,5 16,88 28 26,5 22,61 24 22,5 35,90 20 18,5 54,78 052 52 36 34,5 8,63 34 32,5 12,34 32 30,5 17,38 30 28,
37、5 23,28 26 24,5 36,94 22 20,5 56,33 054 54 38 36,5 8,88 36 34,5 12,70 34 32,5 17,89 32 30,5 23,95 28 26,5 37,99 24 22,5 57,89 056 56 40 38,5 9,13 38 36,5 13,05 36 34,5 18,39 34 32,5 24,63 30 28,5 39,04 26 24,5 59,04 058 58 42 40,5 9,38 40 38,5 13,41 38 36,5 18,89 36 34,5 25,30 32 30,5 40,09 28 26,5
38、61,00 060 60 44 42,5 9,63 42 40,5 13,77 40 38,5 19,39 38 36,5 25,97 34 32,5 41,14 30 28,5 62,55EN 2926:1996 6 BSI 10-1999 Table 2 Length code N 0,3 Thread code 050 060 070 080 100 120 W Mass 3) W Mass 3) W Mass 3) W Mass 3) W Mass 3) W Mass 3) max. min. max. min. max. min. max. min. max. min. max. m
39、in. 062 62 46 44,5 9,88 44 42,5 14,12 42 40,5 19,89 40 38,5 26,64 36 34,5 42,19 32 30,5 64,11 064 64 48 46,5 10,13 46 44,5 14,48 44 42,5 20,39 42 40,5 27,32 38 36,5 43,24 34 32,5 65,66 066 66 50 48,5 10,38 48 46,5 14,83 46 44,5 20,90 44 42,5 27,99 40 38,5 44,28 36 34,5 67,22 068 68 52 50,5 10,63 50
40、48,5 15,19 48 46,5 21,40 46 44,5 28,66 42 40,5 45,33 38 36,5 68,77 070 70 54 52,5 10,88 52 50,5 15,55 50 48,5 21,90 48 46,5 29,33 44 42,5 46,38 40 38,5 70,33 072 72 54 52,5 15,90 52 50,5 22,40 50 48,5 30,00 46 44,5 47,43 42 40,5 71,88 074 74 56 54,5 16,26 54 52,5 22,90 52 50,5 30,68 48 46,5 48,48 44
41、 42,5 73,44 076 76 58 56,5 16,61 56 54,5 23,40 54 52,5 31,35 50 48,5 49,53 46 44,5 74,99 078 78 60 58,5 16,97 58 56,5 23,91 56 54,5 32,02 52 50,5 50,57 48 46,5 76,55 080 80 62 60,5 17,33 60 58,5 24,41 58 56,5 32,69 54 52,5 51,62 50 48,5 78,10 082 82 64 62,5 17,68 62 60,5 24,91 60 58,5 33,37 56 54,5
42、52,67 52 50,5 79,66 084 84 66 64,5 18,04 64 62,5 25,41 62 60,5 34,04 58 56,5 53,72 54 52,5 81,21 086 86 66 64,5 25,91 64 62,5 34,71 60 58,5 54,77 56 54,5 82,77 088 88 68 66,5 26,41 66 64,5 35,38 62 60,5 55,82 58 56,5 84,33 090 90 70 68,5 26,92 68 66,5 36,05 64 62,5 56,87 60 58,5 85,88 092 92 72 70,5
43、 27,42 70 68,5 36,73 66 64,5 57,91 62 60,5 87,44 094 94 74 72,5 27,92 72 70,5 37,40 68 66,5 58,96 64 62,5 88,99 096 96 76 74,5 28,42 74 72,5 38,07 70 68,5 60,01 66 64,5 90,55 098 98 78 76,5 28,92 76 74,5 38,74 72 70,5 61,06 68 66,5 92,10 100 100 78 76,5 39,41 74 72,5 62,11 70 68,5 93,66 104 104 82 8
44、0,5 40,76 78 76,5 64,21 74 72,5 96,77 108 108 86 84,5 42,10 82 80,5 66,30 78 76,5 99,88 112 112 90 88,5 43,45 86 84,5 68,40 82 80,5 102,99 116 116 90 88,5 70,50 86 84,5 106,10 120 120 94 92,5 72,59 90 88,5 109,21 124 124 98 96,5 74,69 94 92,5 112,32EN 2926:1996 BSI 10-1999 7 Table 2 Length code N 0,
45、3 Thread code 050 060 070 080 100 120 W Mass 3) W Mass 3) W Mass 3) W Mass 3) W Mass 3) W Mass 3) max. min. max. min. max. min. max. min. max. min. max. min. 128 128 102 100,5 76,79 98 96,5 115,43 132 132 106 104,5 78,89 102 100,5 184,54 136 136 110 108,5 80,98 106 104,5 121,65 140 140 114 112,5 83,
46、08 110 108,5 124,76 144 144 114 112,5 127,87 148 148 118 116,5 130,98 152 152 122 120,5 134,09 156 156 126 124,5 137,20 160 160 130 128,5 140,31 164 164 134 132,5 143,42 168 168 138 136,5 146,53 3) Mass quoted in kg/1000 partsEN2926:1996 8 BSI 10-1999 4 Designation EXAMPLE: NOTEIf necessary, the cod
47、e19005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style A, as indicated onFigure 1. 6 Technical specification EN 2576BSEN2926:1996 BSI 10-1999 List of references See national foreword.BS EN 2926:1996 BSI 389 Chiswick High Road London W4 4AL BSIBritishSta
48、ndardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStan
49、dards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individual up
