DIN 6331-2003 Hexagon collar nuts with a height of 1 5 d《1 5d厚六角头环形螺母》.pdf

1、ICS 21.060.20Sechskantmuttern 1,5 d hoch mit BundIn keeping with current practice in standards published by the International Organization for Standardization(ISO), a comma has been used throughout as the decimal marker.Ref. No. DIN 6331 : 2003-04English price group 06 Sales No. 010612.03DEUTSCHE NO

2、RM April 20036331Continued on pages 2 to 3. No part of this translation may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Hexagon nuts with collar

3、, with a height of 1,5 dTranslation by DIN-Sprachendienst.In case of doubt, the German-language original should be consulted as the authoritative text.SupersedesAugust 1991 edition.ForewordThis standard has been prepared by Technical Committee Bohrbuchsen, Spannzeuge und Vorrichtungen ofthe Normenau

4、sschuss Werkzeuge und Spannzeuge (Tools and Clamping Devices Standards Committee).AmendmentsThis standard differs from the August 1991 edition as follows:a) Some details in figure 1 have been changed.b) Marking details have been included.c) The standard has been editorially revised.Previous editions

5、DIN 6331: 1941-01, 1962-07, 1965-03x, 1987-03, 1991-08.All dimensions are in millimetres.1 ScopeThis standard specifies requirements for hexagon nuts with collar, of height equal to 1,5 d, designed for usewithout washers in assemblies that will be frequently disassembled and reassembled.2 Normative

6、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 o

7、f 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.DIN 444 EyeboltsDIN EN 20898-2 Mechanical properties of fasteners Part 2: Nuts with coarse pitch thread and speci-fied pr

8、oof load values (ISO 898-2 : 1992)DIN EN ISO 4759-1 Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A,B and C (ISO 4759-1 : 2000)Page 2DIN 6331 : 2003-043 Dimensions and designationNut dimensions shall be as given in figure 1 and table 1.Design details left unspecified

9、shall be selected as appropriate.Figure 1: Dimensions of hexagon nut with collar (notation)Designation of an M12 hexagon nut with collar (M12) of property class 10 (10):Nut DIN 6331 M12 10Table 1: Nut dimensionsThread a d1da1) em sApprox. mass,size (d)js14 h13 min. max. min. js15 Tolerancein kg,per

10、1 000 unitsM6 3 14 6 6,75 11,05 9 10 6M8 3,5 18 8 8,75 14,38 12 13 12M10 4 22 10 10,8 17,77 15 16 22M12 4 25 12 13 20,03 18 18h1330M16 5 31 16 17,3 26,75 24 24 68M20 6 37 20 21,6 33,53 30 30 124M24 6 45 24 25,9 39,98 36 36 219M27 7 50 27 29,1 45,63 40 41 320M30 8 58 30 32,4 51,28 45 46 464M36 10 68

11、36 38,9 61,31 54 55h14790M42 12 80 42 45,4 72,61 63 65 1 290M48 14 92 48 51,8 83,91 72 75 1 9701) Nuts shall be countersunk on both sides at 120 down to diameter da.4 MaterialNuts of sizes M6 to M36 shall be made of steel of property class 10 (recommended) or 8 as specified inDIN EN 20898-2.Nuts of

12、sizes M42 and M48 shall have a hardness of (240 + 62) HV 30 (recommended) or (188 + 114) HV 30.Key:a = 15 to 30b = 90 to 120Page 3DIN 6331 : 2003-045 DesignHexagon nuts with collar shall be manufactured in product grade A as in DIN EN ISO 4759-1.6 MarkingHexagon nuts with collar shall be permanently

13、 and legibly marked with the DIN number and the manufacturersname or symbol.Where the marking is not applied to the nut itself, the smallest, commercially available package shall be marked.7 AssemblyHexagon nuts with collar may be assembled with bolts as shown in figure 2.Key:1 Eyebolt as in DIN 444Figure 2: Hexagon nut with collar assembled with eyeboltOther relevant standardDIN ISO 13715 Technical drawings Edges of undefined shape Vocabulary and indications(ISO 13715 : 2000)