1、December 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!%cm“2642974www.din.deD
2、IN 318Fasteners Wing screws Edged wings,English translation of DIN 318:2016-12Mechanische Verbindungselemente Flgelschrauben Kantige Flgelform,Englische bersetzung von DIN 318:2016-12Fixations Vis oreilles Oreilles arte vive,Traduction anglaise de DIN 318:2016-12SupersedesDIN 318:1999-07www.beuth.de
3、Document comprises 8 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.03.17 DIN 318:2016-12 2 A comma is used as the decimal marker. Contents Page Foreword . 3 1 Scope 4 2 Normative references 4 3 Dimensions 5 4 Technical delive
4、ry conditions . 7 5 Designation 7 Bibliography . 8 DIN 318:2016-12 3 Foreword This standard has been prepared by Working Committee NA 067-00-08 AA Verbindungselemente mit Sonderformen und aus Kunststoff of DIN-Normenausschuss Mechanische Verbindungselemente (DIN Standards Committee Fasteners). DIN E
5、N 316 applies to wing screws with rounded wings. The DIN 4000-160-4 tabular layout of product properties applies to wing 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. DIN and/or DKE shall not be
6、held responsible for identifying any or all such patent rights. Amendments This standard differs from DIN 318:1999-07 as follows: a) the standard has been editorially revised; b) normative references have been updated; c) in Clause 3, the explanation of symbols and their descriptions in this standar
7、d have been expanded; d) in Table 1 “Dimensions,” amaxhas been revised for M8 and M12 and concrete dimensions have been given for gmaxfor all thread sizes, replacing footnote 2; e) in Table 1, the number of decimal places after the comma has been unified; f) in Table 1, the marking of commercially a
8、vailable lengths has been removed; g) in Table 1, footnote c with information on additional lengths has been added; h) the technical delivery conditions have been updated and thread tolerances have been changed from 6g to 8g; i) the content of Annex A (tabular layout of article characteristics) has
9、been transferred to the Foreword and updated; j) Annex B has been converted to a Bibliography. Previous editions DIN 318: 1999-07 DIN 318:2016-12 4 1 Scope This standard specifies dimensions, designations and technical delivery conditions for M4 to M12 wing screws with edged wings, of product grade
10、C and made of malleable cast iron, steel, austenitic steel and copper-zinc alloy. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For unda
11、ted references, the latest edition of the referenced document (including any amendments) applies. DIN 267-2, Fasteners Technical delivery conditions Design and dimensional accuracy DIN EN ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions DIN EN ISO 3269, Fastene
12、rs Acceptance inspection DIN EN ISO 4042, Fasteners Electroplated coatings DIN 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 ISO 965-1, ISO general purpose metric sc
13、rew threads Tolerances Part 1: Principles and basic data DIN ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts DIN 318:2016-12 5 3 Dimensions See Figure 1 and Table 1. Symbols and their descriptions are specified in DIN EN ISO 225. As a deviation, the following shall apply f
14、or wing screws complying with this standard: d3diameter of top of screw head; e wing spread; g wing thickness; h wing height; m height of screw head. aThread end according to DIN EN ISO 4753 Type RN or end chamfered (CH) at the manufacturers discretion Figure 1 Dimensions DIN 318:2016-12 6 Table 1 D
15、imensions Dimensions in millimetres Thread, d1 M4 M5 M6 M8 M10 M12 Pa0,7 0,8 1 1,25 1,5 1,75 a max. 2,10 2,40 3,00 3,75 4,50 5,25 d2max. 9 12 14 16 21 24 min. 7 9 11 13 18 21 d3max. 7,0 9,0 11,0 12,5 16 19 min. 5,5 7,5 9,0 10,5 14 17 e max. 21,0 26,5 32,0 38,0 50,0 66,0 min. 19,0 24,5 29,0 35,0 47,0
16、 63,0 g max. 2,3 2,8 3,3 4,4 5,4 6,4 min. 1,1 1,5 1,5 2,0 3,6 4,1 h max. 11 13 16 19 24 32 min. 9 11 14 17 22 29 m max. 4,6 6,0 7,0 8,5 10,0 13,0 min. 3,2 4,0 5,0 6,5 8,0 10,0 r Rounded lb,cNom. size min. max. 6 5,40 6,60 8 7,25 8,75 10 9,25 10,75 12 11,10 12,90 (14) 13,10 14,90 Range of 16 15,10 16
17、90 (18) 17,10 18,90 20 18,95 21,05 commercially available 25 23,95 26,05 30 28,95 31,05 35 33,75 36,25 lengths 40 38,75 41,25 50 48,75 51,25 60 58,50 61,50 aP = Thread pitch bBracketed sizes should be avoided if possible. cAdditional lengths are permissible; they shall be graded in 10 mm increments
18、 and have a tolerance class of js17. DIN 318:2016-12 7 4 Technical delivery conditions See Table 2. Table 2 Technical delivery conditions and reference standards Material Steel Malleable cast iron Copper-zinc alloy Austenitic steel St GT CuZn A St: Steel, forged or cold worked at the manufacturers d
19、iscretion GT: GTS or GTW at the manufacturers discretion CuZn: Copper-zinc alloy, malleable or casting alloy at the manufacturers discretion A: Austenitic steel at the manufacturers discretion General requirements Standard DIN ISO 8992 Thread Tolerance class 8ga Standard DIN ISO 965-1 Limit deviatio
20、ns, geometrical tolerances Product grade C Standard DIN EN ISO 4759-1 Surface finish Coating As processed. Bearing face unmachined. DIN 267-2 applies with regard to surface roughness. DIN EN ISO 4042 applies with regard to electroplating. Additional requirements, other surface finishes or coatings a
21、re to be agreed between the supplier and the customer. Acceptance inspection DIN EN ISO 3269 aDepending on the surface finish, another tolerance position prior to the application of the coating is necessary, see DIN EN ISO 4042. Wing screws according to this standard may be made from two pieces, wit
22、h a combination of malleable cast iron (GT) and steel (St) being permissible. They shall be joined in such a manner that their performance is equal to that of one-piece screws. 5 Designation Designation of an M6 wing screw with edged wings, made of steel (St), with a nominal length, l, of 20 mm: Wing screw DIN 318 M6 null 20 St DIN 318:2016-12 8 Bibliography 1 DIN 316, Fasteners Wing screws Rounded wings 2 DIN 4000-160, Tabular layout of product properties Part 160: Fasteners with external thread
