1、August 2015 English price group 7No 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 21.060.20!%LA9“2413022www.din.deDI
2、N 917Hexagon cap nuts, low type,English translation of DIN 917:2015-08SechskantHutmuttern, niedrige Form,Englische bersetzung von DIN 917:2015-08crous hexagonaux borgnes calotte, type basse,Traduction anglaise de DIN 917:2015-08SupersedesDIN 917:200010www.beuth.deDocument comprises 9 pagesDTranslati
3、on by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.01.16 DIN 917:2015-08 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 delivery conditions . 8 5 Designation 8 Bi
4、bliography . 9 DIN 917:2015-08 3 Foreword This standard has been prepared by Working Committee NA 067-00-03 AA Verbindungselemente mit metrischem Innengewinde of DIN-Normenausschuss Mechanische Verbindungselemente (DIN Standards Committee Fasteners). The DIN 4000-161-1 tabular layout of product prop
5、erties shall apply to nuts 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 shall not be held responsible for identifying any or all such patent rights. Amendments This standard differs from DIN 917:20
6、00-10 as follows: a) normative references have been updated; b) in Table 1, the decimal places for dimensions have been unified. For thread size M18, the values for g2, series 2 and 3, were erroneously switched in the former version. This error has now been corrected; c) Table 2 has been revised edi
7、torially and in terms of content; the property classes of steel and stainless steel are now subject to agreement. Previous editions DIN 917-1: 1942-04, 1953-10, 1963-03 DIN 917: 1970-12, 1977-04, 1987-06, 2000-02, 2000-10 DIN 917:2015-08 4 1 Scope This standard specifies requirements for coarse and
8、fine pitch thread low type hexagon cap nuts of product grade A with nominal diameters from 4 mm to 72 mm. 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
9、 cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. DIN 76-1, Thread run-outs and thread undercuts Part 1: For ISO metric threads in accordance with DIN 13-1 DIN 267-2, Fasteners Technical delivery conditions Design and dimensiona
10、l accuracy DIN EN 28839, Mechanical properties of fasteners Nonferrous metal bolts, screws, studs and nuts DIN EN ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 4042, Fasteners Electroplated coatings
11、 DIN EN ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and C DIN EN ISO 6157-2, Fasteners Surface discontinuities Part 2: Nuts DIN EN ISO 10683, Fasteners Non-electrolytically applied zinc flake coatings DIN EN ISO 10684, Fasteners Hot dip galvanized c
12、oatings DIN ISO 272, Fasteners Width across flats for hexagon products 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 Dimensions Nut dimensions shall be as given in
13、Figures 1 and 2 and Table 1. Symbols and their descriptions are specified in DIN EN ISO 225. DIN 917:2015-08 5 mwis the minimum wrenching height. Figure 1 Dimensions of hexagon cap nut up to 10 mm nominal diameter (notation) (with thread run-out or thread undercut, at the manufacturers discretion) O
14、ther dimensions as in Figure 1. Figure 2 Dimensions of hexagon cap nut with a nominal diameter of 12 mm or above (notation) (with thread undercut) DIN 917:2015-08 6 Table 1 Dimensions Dimensions in millimetres Thread size, D Series 1 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20 Series 2 M8 1 M10 1 M12 1,
15、5 (M14 1,5) M16 1,5 (M18 1,5) M20 2 Series 3 M10 1,25 M12 1,25 (M18 2) M20 1,5 Pa0,7 0,8 1 1,25 1,5 1,75 2 2 2,5 2,5 damax. 4,60 5,75 6,75 8,75 10,80 13,00 15,10 17,30 19,50 21,60 min. 4,00 5,00 6,00 8,00 10,00 12,00 14,00 16,00 18,00 20,00 dwmin. 5,90 6,90 8,90 11,60 14,60 16,60 19,60 22,50 24,90 2
16、7,70 e min. 7,66 8,79 11,05 14,38 17,77 20,03 23,35 26,75 29,56 32,95 xbSeries 1 max. 1,05 1,20 1,50 1,87 2,25 Series 2 max. 1,50 1,50 Series 3 max. 1,87 g2cSeries 1 max. 6,40 7,30 7,30 9,30 9,30 Series 2 max. 5,60 5,60 5,60 7,30 7,30 Series 3 max. 4,90 5,60 5,60 h Nominal size = max. 5,5 7 9 12 14
17、16 18 20 22 25 min. 5,20 6,64 8,64 11,57 13,57 15,57 17,57 19,48 21,48 24,48 mwmin. 2,75 3,50 4,50 6,00 7,00 8,00 9,00 10,00 11,00 12,50 r 8 10 12 15 20 25 28 30 32 35 s Nominal size = max. 7 8 10 13 16d18d21d24 27 30 min. 6,78 7,78 9,78 12,73 15,73 17,73 20,67 23,67 26,16 29,16 t max. 4,64 5,44 7,2
18、9 9,79 11,35 13,85 15,35 17,35 19,42 21,42 min. 4,16 4,96 6,71 9,21 10,65 13,15 14,65 16,65 18,58 20,58 w min. 1,00 1,00 1,50 2,00 2,00 2,00 2,00 2,00 2,00 2,50 Mass (7,85 kg/dm3) kg per 1 000 units 1,31 2,20 4,29 9,50 e e e 48,10 70,00 94,10 DIN 917:2015-08 7 Table 1 (continued) Dimensions in milli
19、metres Thread size, D Series 1 (M22) M24 (M27) M30 M36 M42 M48 (M56) (M64) (M72 6) Series 2 (M22 1,5) M24 2 (M27 2) M30 2 M36 3 M42 3 M48 3 (M56 4) (M64 4) (M72 4) Series 3 (M22 2) Pa2,5 3 3 3,5 4 4,5 5 5,5 6 damax. 23,70 25,90 29,10 32,40 38,90 45,40 51,80 61,00 69,10 77,80 min. 22,00 24,00 27,00 3
20、0,00 36,00 42,00 48,00 56,00 64,00 72,00 dwmin. 31,40 33,30 38,00 42,80 51,10 60,00 69,50 78,70 88,20 97,70 e min. 37,29 39,55 45,20 50,85 60,79 72,02 82,60 93,56 104,86 116,16 g2cSeries 1 max. 9,30 10,70 10,70 12,70 14,00 16,00 18,50 20,00 21,00 21,00 Series 2 max. 5,60 7,30 7,30 7,30 10,70 10,70 1
21、0,70 14,00 14,00 14,00 Series 3 max. 7,30 h Nominal size = max. 28 30 32 34 44 52 58 68 75 85 min. 27,48 29,48 31,38 33,38 43,38 51,26 57,26 67,26 74,26 84,13 mwmin. 14,00 15,00 16,00 17,00 22,00 26,00 29,00 34,00 37,50 42,50 r 35 40 50 60 70 80 90 110 130 130 s Nominal size = max. 34d36 41 46 55 65
22、 75 85 95 105 min. 33,00 35,00 40,00 45,00 53,80 63,10 73,10 82,80 92,80 102,80 t max. 22,42 24,42 26,42 28,42 36,50 42,50 48,50 56,60 62,60 67,60 min. 21,58 23,58 25,58 27,58 35,50 41,50 47,50 55,40 61,40 66,40 w min. 3,00 3,00 3,00 3,00 4,00 4,00 4,00 5,00 5,00 5,00 Mass (7,85 kg/dm3) kg per 1 000
23、 units e165 229 310 577 958 1 410 2 100 2 840 3 910 Bracketed sizes should be avoided if possible. aP is the pitch of coarse thread as specified in DIN ISO 965-1. bFor sizes M10, thread undercut or thread run-out with xmax.= 1,5 P. cFor sizes M10, thread undercut with g2 max.(type D, short thread un
24、dercut) as specified in DIN 76-1. dThe width across flats shall be stated in the designation (see Clause 5). eNo values available. DIN 917:2015-08 8 4 Technical delivery conditions See Table 2. Table 2 Technical delivery conditions Material Steel Stainless steel Nonferrous metal General requirements
25、 As specified in DIN ISO 8992 Thread Tolerance class 6H As specified in DIN ISO 965-1 Mechanical properties Property classa(material) Subject to agreement. Subject to agreement. CuZn = copper-zink alloyaAs specified in DIN EN 28839 Limit deviations, geometrical tolerances Product grade A As specifie
26、d in DIN EN ISO 4759-1 Surface finish Coating As processed. Plain Plain DIN EN ISO 4042 applies with regard to electroplating. DIN EN ISO 4042 applies with regard to electroplating. DIN 267-2 applies with regard to surface roughness. Additional requirements, or other surface finishes or coatings are
27、 to be agreed between the supplier and the customer. Surface finish DIN EN ISO 6157-2 applies to tolerances for surface discontinuities. Acceptance inspection DIN EN ISO 3269 applies with regard to acceptance inspection. aThe use of other material grades, e.g. CU3, shall be subject to agreement. 5 D
28、esignation EXAMPLE 1 Designation of a size M8 cap nut: Cap nut DIN 917 M8 EXAMPLE 2 The designation of cap nuts of sizes M10, M12, M14 and M22 shall also include the width across flats (SW), e.g. SW18 for size M12: Cap nut DIN 917 M12 SW18 EXAMPLE 3 If cap nuts with nominal diameters up to 10 mm are to be supplied with thread undercut, the symbol Ri shall be included in the designation: Cap nut DIN 917 M8 Ri DIN 917:2015-08 9 Bibliography DIN 4000-161, Tabular layout of product properties Part 161: Fasteners with internal thread
