1、 STD*BSI BS EN 2897-ENGL L99b m 1b24bb7 0584843 073 m BRITISH STANDARD AEROSPACE SERIES Screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated - Classification: 1100 MPa (at ambient temperature) / 235 “C * m * The European Standard EN 28
2、97 : 1996 has the status of a British Standard ICs 49.040.20 BS EN 2897 : 1996 WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 2897 : 1996 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Stand
3、ards Board and comes into effect on 15 December 1996 O BSI 1996 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee ACEY12, Aerospace fasteners and fastening systems, upon which the following bodies were represented: Associat
4、ion of Electronic, Telecommunications and Business Equipment Industries British Industriai Fasteners Federation Muustry of Defence Society of British Aerospace Companies Amendments issued since publication Amd.No. Date I The following BSI references relate to the work on this standard Committee refe
5、rence ACWlZ Draft for comment 8W6217 DC ISBN O 680 26362 6 I STD-BSI BS EN 2877-ENGL L77b Lb24bb9 U584845 74b W BS EN 2897 : 1996 Contents page Committees responsible Inside front cover National foreword 11 Foreword 2 Specification 1 Scope 2 Normative references 3 3 3 Required characteristics 4 4 De
6、signation 7 6 Marking 7 6 Technical specification 8 7 Oversizebolts 8 O BSI 1996 i STD*BSI BS EN 2877-ENGL L77b lb24bbY 058484b 882 BS EN 2897 : 1996 National foreword This British Standard has been prepared by Technical Committee ACW12 and is the English language version of EN 2897 : 1996 Aerospace
7、 series - Screws, pan had, offset cruciform recess, close tolerance ruyrmal shank, short thread, in - Double shear strength ; - Tension fatigue strength ; - Head to shank fillet work effect. 7 Oversized bolts EN 4016 * rn * STD.BS1 BS EN 2877-ENGL 177b 1b24bb9 058Y855 875 BS EN 2897 : 1996 List of r
8、eferences See national foreword. O BSI 1996 STD-BSI BS EN 2897-ENGL L99b LbZLIbbS 058485b 721 BS EN 2897 : 1996 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British standards. It presents the UK view on st
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