1、BRITISH STANDARD AEROSPACE SERIES BS EN 2653:1997 Screws, 100 countersunk normal head, slotted, threaded to head, in corrosion resisting steel, passivated Classification: 600 MPa (at ambient temperature)/425 C The European Standard EN 2653:1996 has the status of a British Standard ICS 49.030.20BS EN
2、 2653:1997 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 January 1997 BSI 11-1998 The following BSI references relate to the work on this standard: Committee refere
3、nce ACE/12 Draft for comment 89/78851 DC ISBN 0 580 26902 7 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
4、of Electronic, Telecommunications and Business Equipment Industries British Industrial Fasteners Federation Ministry of Defence Society of British Aerospace Companies Amendments issued since publication Amd. No. Date CommentsBS EN 2653:1997 BSI 11-1998 i Contents Page Committees responsible Inside f
5、ront cover National foreword ii Foreword 2 1 Scope 3 2 Normative references 3 3 Required characteristics 3 4 Designation 6 5 Marking 6 6 Approval of manufacturers 6 7 Packaging and labelling 6 Figure 1 4 Table 1 5 Table 2 6 List of references Inside back coverBS EN 2653:1997 ii BSI 11-1998 National
6、foreword This British Standard has been prepared by Technical Committee ACE/12 and is the English language version of EN 2653:1996 Aerospace series Screws, 100 countersunk normal head, slotted, threaded to head, in corrosion resisting steel, passivated Classification: 600 MPa (at ambient temperature
7、)/425 C, published by the European Committee for Standardization (CEN). EN 2653:1996 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 Stan
8、dards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred to Corresponding British Standard EN 2000:1991 BS EN 2000:1992 Quality assurance. EN aerospace products. Approval o
9、f the quality system of manufacturers EN 2424:1995 BS EN 2424:1995 Marking of aerospace products ISO 3353:1992 BS 2A 231:1993 Rolled threads for bolts. Lead and runout requirements ISO 5855-2:1988 BS 6293 Aerospace. MI threads Part 2:1994 Limit dimensions for bolts and nuts ISO 7913:1994 BS 2A 296:1
10、995 Bolts and screws, metric. Tolerances of form and position Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 6, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had am
11、endments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2653 August 1996 ICS 49.040.20 Descriptors: aircraft industry, screw, countersunk head screw, heat resistant steel, corrosion resistant steel, specifica
12、tion, dimension, dimensional tolerance, designation, marking English version Aerospace series Screws, 100 countersunk normal head, slotted, threaded to head, in corrosion resisting steel, passivated Classification: 600 MPa (at ambient temperature)/425 C Srie arospatiale Vis tte fraise 100 normale fe
13、ndue, filetes jusqu proximit de la tte, en acier rsistant la corrosion, passives Classification: 600 MPa ( temprature ambiante)/425 C Luft-und Raumfahrt 100 Senkschrauben mit Schlitz, Gewinde annihernd bis Kopf, aus korrosionsbestndigem Stahl, passiviert Klasse: 600 MPa (bei Raumtemperatur)/425 C Th
14、is European Standard was approved by CEN on 1996-06-29. 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
15、 concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist 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
16、 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, Sweden, Switzer
17、land and United Kingdom. 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 2653:1996 EEN 2653:1996 BSI 11-1998 2 Foreword This European S
18、tandard 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 received the approval of the National Associations and the Official Services of the member countries of
19、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 February 1997, and conflicting national standards shall be withdrawn at the latest by February 1997. Accord
20、ing 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, Portugal, Spain, Sweden,
21、Switzerland and the United Kingdom.EN 2653:1996 BSI 11-1998 3 1 Scope This standard specifies the characteristics of screws, 100 countersunk normal head, slotted, threaded to head, in corrosion resisting steel, passivated. Classification: 600 MPa 1) /425 C 2) 2 Normative references This European Sta
22、ndard 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 of these publications apply to
23、 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 5855-2, Aerospace MJ threads Part2:Limit dimensions for bolt
24、s and nuts. ISO 7913, Aerospace Bolts and screws, metric Tolerances of form and position. EN 2000, Aerospace series Quality assurance EN aerospace products Approval of the quality system of manufacturers. EN 2424, Aerospace series Marking of aerospace products. EN 2516, Aerospace series Passivation
25、of corrosion resistant steels and decontamination of nickel base alloys 3) . TR 3775, Aerospace series Bolts and pins National materials 4) . 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are expressed in millimetres and apply afte
26、r surface treatment. 3.2 Tolerances of form and position ISO 7913 and Figure 1 and Table 1 3.3 Materials TR 3775 (corrosion resisting steel, strength class:600 MPa) 3.4 Surface treatment EN 2516 1) Minimum tensile strength of the material at ambient temperature 2) Maximum temperature that the screw
27、can withstand without continuous change in its original characteristics, after return to ambient temperature. The maximum temperature is determined by the material. 3) Published as AECMA Standard at the date of publication of this standard 4) Published as AECMA Technical Report at the date of public
28、ation of this standardEN 2653:1996 4 BSI 11-1998 Figure 1EN 2653:1996 BSI 11-1998 5 Table 1 Diameter code Thread a D 1 D 2 D 3 D 4 E F G H J L 0,3 bc N R T Mass d max min. nom. Tol. min. max. max. Code nom. nom. Tol. e f 016 MJ1,60, 35 4h6h 3,2 2,9 2,25 1,1 0,03 0,4 0,5 0,3 0,69 0,16 004 to 022 4 to
29、 22 0,45 0.08 0,05 0,023 020 MJ20,4 4h6h 4 3,6 2,89 1,4 0,04 0,46 0,55 0,35 0,85 0,2 004 to 028 4 to 28 0,55 0,3 0,1 0,085 0,037 025 MJ2,50,45 4h6h 5 4,5 3,86 1,9 0,05 0,48 0,7 0,5 1,07 0,25 006 to 036 6 to 36 0,65 0,12 0,202 0,06 030 MJ30,5 4h6h 6 5,4 4,5 2,3 0,06 0,63 0,85 0,6 1,27 0,3 006 to 042
30、6 to 42 0,85 0,15 0,301 0,088 035 MJ3,50,6 4h6h 7 6,3 5,14 2,7 0,07 0,78 0,95 0,7 1,48 0,35 008 to 050 8 to 50 0,95 0,4 0,17 0,54 0,119 040 MJ40,7 4h6h 8 7,2 5,78 3 0,08 0,93 1,1 0,8 1,69 0,4 008 to 056 8 to 56 1,05 0,2 0,72 0,155 050 MJ50,8 4h6h 10 9 7,71 3,4 0,5 0,1 0,96 1,35 1 2,12 0,5 010 to 068
31、 10 to 68 1,25 0,5 0,25 1,44 0,248 060 MJ61 4h6h 12 10,8 9 4,2 1,26 1,6 1,2 2,54 0,6 012 to 084 12 to 84 1,65 0,7 0,3 2,46 0,353 a In accordance with ISO 5855-2, rolled b Increments: 2 for L 100 4 for L 100 c If greater lengths are required, they shall be chosen using the above increments. The lengt
32、h code corresponds to the length L, completed by one or two zeros to the left, where necessary, to obtain a three digit code. d Approximate values (kg/1 000 pieces), calculated on the basis of 7,85 kg/dm 3 , given for information purposes only e Value for first L f Increase for each additional 2 mm
33、of L 00,08 00,2 00,5 0,15 + 00,25 + 0EN 2653:1996 6 BSI 11-1998 4 Designation EXAMPLE: NOTEIf necessary, the code 19005 shall be placed between the description block and the identity block. 5 Marking See Table 2, plus MJ, and Figure 1. Table 2 6 Approval of manufacturers EN 2000 7 Packaging and labe
34、lling 7.1 Packaging It shall prevent any damage or corrosion occuring during handling and transportation. Each package shall only contain screws of the same identity block, taken from the same inspection batch. 7.2 Labelling Each package Shall bear a label on which the identity block, quantity, prod
35、uction batch number and inspectors stamp have been recorded. Diameter code EN 2424 Style 016 to 035 G 040 to 060 F(indented)BS EN 2653:1997 BSI 11-1998 List of references See national foreword.BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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