DIN 34827-2016 Hexalobular socket set screws《内六角螺钉》.pdf

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1、November 2016 English price group 6No part of this translation may be reproduced without 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).ICS 21.060.10!%ds“2655980www.din.deD

2、IN 34827Hexalobular socket set screws,English translation of DIN 34827:2016-11Gewindestifte mit Innensechsrund,Englische bersetzung von DIN 34827:2016-11Vis sans tte six lobes internes,Traduction anglaise de DIN 34827:2016-11SupersedesDIN 34827:2005-11 andDIN 34827 Corrigendum 1:2009-05www.beuth.deD

3、ocument comprises 8 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.06.17 DIN 34827:2016-11 2 A comma is used as the decimal marker. Contents Page Foreword . 3 1 Scope 4 2 Normative references 4 3 Dimensions 4 4 Technical deliv

4、ery conditions . 7 5 Designation 7 Bibliography . 8 DIN 34827:2016-11 3 Foreword This standard has been prepared by Working Committee NA 067-00-02 AA Verbindungselemente mit metrischem Auengewinde of the DIN-Normenausschuss Mechanische Verbindungselemente (DIN Standards Committee Fasteners). The DIN

5、 4000-160-10 tabular layout of product properties applies to socket set screws covered in this standard. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights without these having been identified here. DIN and/or DKE shall not be held re

6、sponsible for identifying any or all such patent rights. Amendments This standard differs from DIN 34827:2005-11 and DIN 34827 Corrigendum 1:2009-05 as follows: a) the standard has been editorially revised; b) normative references have been updated; c) Corrigendum 1 from May 2009 has been incorporat

7、ed; d) footnote “a” in Figure 1 has been deleted; e) the dimension tmaxhas been added in Table 1. Previous editions DIN 34827: 2005-11 DIN 34827 Corrigendum 1: 2009-05 DIN 34827:2016-11 4 1 Scope This standard specifies dimensions and technical delivery conditions for M3 to M24 hexalobular socket se

8、t screws of steel and stainless steel. It comprises set screws with flat point, truncated cone point, dog point and cup point. Set screws are not suitable for applications where they are subject to tensile stresses. 2 Normative references The following documents, in whole or in part, are normatively

9、 referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. DIN EN 26157-1, Fasteners Surface discontinuities Bolts, screws and

10、studs subject to general requirements DIN EN ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions DIN EN ISO 898-5, Mechanical properties of fasteners made of carbon steel and alloy steel Part 5: Set screws and similar threaded fasteners with specified hardness cla

11、sses Coarse thread and fine pitch thread DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 3506-3, Mechanical properties of corrosion-resistant stainless steel fasteners Part 3: Set screws and similar fasteners not under tensile stress DIN EN ISO 4042, Fasteners Electroplated coatings DIN

12、EN ISO 4753, Fasteners Ends of parts with external ISO metric thread DIN EN ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and C DIN EN ISO 10664, Hexalobular internal driving feature for bolts and screws DIN EN ISO 10683, Fasteners Non-electrolyticall

13、y applied zinc flake coatings DIN EN ISO 16048, Passivation of corrosion-resistant stainless-steel fasteners DIN ISO 965-1, ISO general purpose metric screw threads Tolerances Part 1: Principles and basic data DIN ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts 3 Dimension

14、s See Figure 1 and Table 1. Symbols and their designations are specified in DIN EN ISO 225. DIN 34827:2016-11 5 a) Dimensions of hexalobular socket set screws (notation) b) Other permissible form of hexalobular socket a Thread end FL (flat point), SD (short dog point), LD (long dog point), TC (trunc

15、ated cone point) or CP (cup point) as in DIN EN ISO 4753. The dimensions specified there shall apply. Figure 1 Dimensions (notation) DIN 34827:2016-11 6 Table 1 Dimensions Dimensions in millimetres Thread size, d M3 M4 M5 M6 M8 M10 M12 M16 M20 M24 Pa0,5 0,7 0,8 1 1,25 1,5 1,75 2 2,5 3 dfmin. Thread

16、minor diameter Hexalobular socket No. 6 8 10 15 25 30 40 50 55 60 A Auxiliary dimension 1,75 2,4 2,8 3,35 4,5 5,6 6,75 8,95 11,35 13,45 tmin0,8 1 1,3 1,6 2,7 2,9 3,2 4,3 5,3 6,8 tmax0,95 1,2 1,55 1,9 3,1 3,3 3,6 4,75 5,75 7,25 lbMass in kg per 1 000 units ( = 7,85 kg/ dm3)c Nomi-nal size min. max. 3

17、 2,8 3,2 0,1 4 3,76 4,24 0,14 0,22 5 4,76 5,24 0,18 0,3 0,44 6 5,76 6,24 0,22 0,38 0,56 0,76 8 7,71 8,29 0,3 0,54 0,8 1,11 1,89 10 9,71 10,29 0,38 0,7 1,04 1,46 2,52 3,78 12 11,65 12,35 0,46 0,86 1,28 1,81 3,15 4,78 6,8 16 15,65 16,35 0,62 1,18 1,76 2,51 4,41 6,78 9,6 16,3 20 19,58 20,42 1,49 2,24 3

18、,21 5,67 8,76 12,4 21,5 32,3 25 24,58 25,42 2,84 4,09 7,25 11,2 15,9 28 42,6 57 30 29,58 30,42 4,97 8,82 13,7 19,4 34,6 52,9 72 35 34,5 35,5 10,4 16,2 22,9 41,1 63,2 87 40 39,5 40,5 12 18,7 26,4 47,7 73,5 102 45 44,5 45,5 21,2 29,9 54,2 83,8 117 50 49,5 50,5 23,7 33,4 60,7 94,1 132 55 54,4 55,6 36,8

19、 67,3 104 147 60 59,4 60,6 40,3 73,7 115 162 NOTE The range of commercially available lengths is between the stepped lines. aP = Thread pitch bScrews with lengths as given in the shaded area and provided with dog point can only be supplied with short dog point (SD). cFor information only. DIN 34827:

20、2016-11 7 4 Technical delivery conditions Technical delivery conditions shall be as in Table 2. Table 2 Technical delivery conditions and reference standards Material Steel Stainless steel General requirements Standard DIN ISO 8992 Thread Tolerance class 6gaStandard DIN ISO 965-1 Mechanical properti

21、es Property class 45H A1-12H, A2-21H Standards DIN EN ISO 898-5 DIN EN ISO 3506-3 Limit deviations, geometrical tolerances Product grade A Standard DIN EN ISO 4759-1 Hexalobular socket Standard DIN EN ISO 10664 Surface finish Coating As processed. Plain DIN EN ISO 4042 applies with regard to electro

22、plating. DIN EN ISO 10683 applies with regard to non-electrolytically applied zinc flake coatings. Passivation as in DIN EN ISO 16048 is recommended. Surface condition DIN EN 26157-3 applies with regard to limits for surface discontinuities. Acceptance inspection DIN EN ISO 3269 aDepending on the se

23、lected coating system, another tolerance position prior to the application of the coating may be necessary, see DIN EN ISO 4042 and DIN EN ISO 10683, for example. 5 Designation EXAMPLE 1 Designation of an M6 hexalobular socket set screw of steel with flat point (FL) with a length l = 12 mm, of prope

24、rty class 45H: Socket set screw DIN 34827 M6 null 12 FL 45H EXAMPLE 2 Designation of an M6 hexalobular socket set screw of grade A1 stainless steel with long dog point (LD) with a length l = 12 mm, of property class 12H: Socket set screw DIN 34827 M6 null 12 LD A1 12H DIN 34827:2016-11 8 Bibliography 1 DIN 4000-160, Tabular layout of product properties Part 160: Fasteners with external thread