DIN6915

DEUTSCHE NORMDecember 1999Steel hexagon nuts with large width acrossNflats for high-strength structural bolting6915CS21.080.20SupersedesOctober 1989 edition.Sechskantmuttern mit groBen Schlusselweiten fur Verbindungen mitHV-Schrauben in StahlkonstruktionenIn keeping with current practice in standards published by the Intemational Organization for Standardization(ISO),a comma has been used throughout as the decimal marker.ForewordThis standard has been prepared by Technical Committee Schraubenverbindungen for den Stahlbau ofthe NormenausschuB Mechanische Verbindungselemente (Fasteners Standards Committee).AmendmentsThis standard differs from the October 1989 edition in that the nut height is now to be 20 mm(instead of19 mm)for M24 nuts and references have been updated.Previous editionsDN6915:1962-08,1971-01,1979-03,198g-10.All dimensions are in millimetres.1 ScopeThis standard specifies dimensions and technical delivery conditions for steel hexagon nuts with largewidth across flats for use with DIN 6914 high-strength bolting in friction grip and shear bolt connections(cf.DIN 18800-1)in structural steelwork.2 Normative referencesThis standard incorporates,by dated or undated reference,provisions from other publications.Thesenormative references are cited at the appropriate places in the text,and the titles of the publications arelisted below.For dated references,subsequent amendments to or revisions of any of these publicationsapply to this standard only when incorporated in it by amendment or revision.For undated references,thelatest edition of the publication referred to applies.DN13-12General purpose ISO metric screw threads -Coarse and fine pitch threads with diametersfrom 1 mm to 300 mm-Selected diameters and pitchesDiN13-15ISO metric screw threads-Fundamental deviations and tolerances for screw threads of 1 mmdiameter and largerDN267-02Fasteners-Technical delivery conditions -Product grades and tolerancesDN267-10Fasteners-Technical delivery conditions -Hot-dip galvanized componentsD1N4000-2Tabular layouts of article characteristics for bolts,screws and nutsDN6914High-strength hexagon head bolts with large widths across flats for structural steel boltingDIN 18800-1 Structural steelwork-Design and constructionDIN EN 493Fasteners -Surface discontinuities-NutsContinued on pages 2 and 3.Translation by DIN-Sprachendienst.in case of doubt.the German-language orlginal should be consulted as the authorltatlve textNo part of this translation may be reproduced without the prior permission ofRef.No.DlN6915:1999-12DW Deutschss Institut fur Nommung e.V.,Berlin.Salns No 0105Deuth Vertag Gmo//.D-10772 Berin,has the exclusive right of sale for German Standards (DNV-Narmen).04.00Copyright by the DIN Deutsches Institut Fur Normung E Yom1Mar041312082013