1、June 2009 Translation by DIN-Sprachendienst.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
2、.060.10!$lKN“1734043www.din.deDDIN 931-2Hexagon head bolts Part 2: Metric thread M 68 to M 160 6 Product grade BEnglish translation of DIN 931-2:2009-06Sechskantschrauben mit Schaft Teil 2: Metrisches Gewinde M 68 bis M 160 6 Produktklasse BEnglische bersetzung von DIN 931-2:2009-06Boulons tte hexag
3、onale Partie 2: Filetage mtrique M 68 jusqu Classe de produit BTraduction anglaise de DIN 931-2:2009-06SupersedesDIN 931-2:1987-09www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.M 160 6 911.10 DIN 931-2:2009-06 Contents Page Forewo
4、rd. 3 1 Scope . 4 2 Normative references . 4 3 Dimensions 5 4 Technical delivery conditions . 8 5 Designation . 8 Bibliography . 9 2 DIN 931-2:2009-06 Foreword This standard has been prepared by Working Committee NA 067-03-01 AA Verbindungselemente mit Auen-gewinde of the Normenausschuss Mechanische
5、 Verbindungselemente (Fasteners Standards Committee). The DIN 4000-160-1 tabular layout of product properties shall apply to bolts covered in this standard. Amendments This standard differs from DIN 931-2:1987-09 as follows: a) the standard has been editorially revised; b) normative references have
6、been updated; c) the title of the standard has been adapted; d) thread sizes M 42 to M 64 have been dropped as they are included in DIN EN ISO 4014. Previous editions DIN Kr 551: 1935-11, 1936-11 DIN 600: 1926-10 DIN 931: 1967-12, 1970-11 DIN 931-1: 1926-01, 1942-04, 1952-12, 1963-03 DIN 931-2: 1926
7、-01, 1942-04, 1982-07, 1987-09 DIN 932-1: 1926-01 DIN 932-2: 1926-01 3 DIN 931-2:2009-06 1 Scope This standard, supplementing DIN EN ISO 4014, specifies dimensions and technical delivery conditions for sizes M 68 to M 160 6 hexagon head bolts of product grade B. If, in special cases, the bolts are t
8、o comply with specifications other than those given in this standard, e.g. if other nominal lengths or product grade A are required, these shall be selected in accordance with the appropriate standard and agreed at the time of ordering. 2 Normative references The following referenced documents are i
9、ndispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. DIN 267-2, Fasteners Technical delivery conditions Design and dimensional accuracy DIN 93
10、1 Supplement 1, Hexagon head bolts with shank Masses DIN 962, Designation system for fasteners DIN EN 20225, Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensioning DIN EN ISO 898-1, Mechanical properties of fasteners made of carbon steel and alloy steel Part 1: Bolts, screw
11、s and studs with specified property classes Coarse thread and fine pitch thread DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 4014, Hexagon head bolts Product grades A and B DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 4753, Fasteners Ends of parts with external ISO met
12、ric 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 10684, Fasteners Hot dip galvanized coatings DIN ISO 261, ISO general purpose metric screw threads General plan DIN ISO 965-1, ISO general purpose metric screw threads To
13、lerances Part 1: Principles and basic data DIN ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts 4 DIN 931-2:2009-06 5 3 Dimensions See Figure 1 and Table 1. Symbols and designations are given in DIN EN 20225. Dimensions in millimetres Key aminimum wrenching height (0,7 k mi
14、n.) blength of incomplete thread: max. 2 P cwasher face (subject to agreement) ddatum for dw1 end chamfered (CH) as in DIN EN ISO 4753 Figure 1 Bolt dimensions (notation) DIN 931-2:2009-06 6 Table 1 Bolt dimensions Dimensions in millimetres Thread size d (M 68) M 72 6 (M 76 6) M 80 6 M 90 6 M 100 6
15、M 110 6 M 125 6 M 140 6 M 160 6 P a 6 6 6 6 6 6 6 6 6 6 b 148 156 164 172 192 b (Auxiliary dimension) c 161 169 177 185 205 225 245 275 305 345 min.0,4 0,4 0,4 0,4 0,4 0,4 0,4 0,4 0,4 0,4 cdmax. 1 1 1 2 2 2 2 2 2 2 damax. 75 79 83 87 97 107 117 132 147 167 max. (nominal size) 68 72 76 88 90 100 110
16、125 140 160 dsmin. 67,26 71,26 75,26 79,26 89,13 99,13 109,13 124 139 159 dwmin. 92,9 97,7 102,1 106,9 121,1 135,4 144,9 168,6 185,6 214,1 e min. 110,51 116,16 121,81 127,46 144,08 161,02 172,32 200,57 220,8 254,7 Nominal size 43 45 48 50 57 63 69 79 88 100 min. 42,5 44,5 47,5 49,5 56,4 62,4 68,4 78
17、,4 87,3 99,3 k max. 43,5 45,5 48,5 50,5 57,6 63,6 69,6 79,6 88,7 100,7 kwmin. 29,8 31,2 33,2 34,6 40,3 43,7 47,9 54,9 61,1 69,5 r min. 2 2 2 2 2,5 2,5 2,5 2,5 2,5 2,5 max. (nominal size) 100 105 110 115 130 145 155 180 200 230 s min. 97,8 102,8 107,8 112,8 127,5 142,5 152,5 177,5 195,4 225,4 aP = pi
18、tch of thread bFor 125 mm 200 mm:dWasher face subject to agreement. Designation as in Clause 5. DIN 931-2:2009-06 7 Table 1 (continued) Thread size d (M 68) M 72 6 (M 76 6) M 80 6 M 90 6 M 100 6 M 110 6 M 125 6 M 140 6 M 160 6 l Shank length Nominal size min. max. lsmin.lgmax. lsmin.lgmax.lsmin.lgma
19、x.lsmin.lgmax.lsmin.lgmax. lsmin.lgmax.lsmin.lgmax.lsmin.lgmax.lsmin.lgmax.lsmin.lgmax. 200 197,7 202,3 22 52 14 44 220 217,7 222,3 29 59 21 51 13 43 5 35 240 237,7 242,3 49 79 41 71 33 63 25 55 5 35 260 257,4 262,6 69 99 61 91 53 83 45 75 25 55 5 35 280 277,4 282,6 89 119 81 111 73 103 65 95 45 75
20、25 55 5 35 300 297,4 302,6 109 139 101 131 93 123 85 115 65 95 45 75 25 55 320 317,15 322,85 129 159 121 151 113 143 105 135 85 115 65 95 45 75 15 45 340 337,15 342,85 149 179 141 171 133 163 125 155 105 135 85 115 65 95 35 65 5 35 360 357,15 362,85 169 199 161 191 153 183 145 175 125 155 105 135 85
21、 115 55 85 25 55 380 377,15 382,85 189 219 181 211 173 203 165 195 145 175 125 155 105 135 75 105 45 75 5 35 400 397,15 402,85 201 231 193 223 185 215 165 195 145 175 125 155 95 125 65 95 25 55 420 416,85 423,15 213 243 205 235 185 215 165 195 145 175 115 145 85 115 45 75 440 436,85 443,15 225 255 2
22、05 235 185 215 165 195 135 165 105 135 65 95 460 456,85 463,15 245 275 225 255 205 235 185 215 155 185 125 155 85 115 480 476,85 483,15 245 275 225 255 205 235 175 205 145 175 105 135 500 496,85 503,15 265 295 245 275 225 255 195 225 165 195 125 155 Commercial sizes of bolts are those for which shan
23、k lengths have been specified. Bracketed sizes should be avoided if possible. Values of mass are given in DIN 931 Supplement 1. lg,max.= lnominal size b, ls,min. = lg,max. 5P DIN 931-2:2009-06 4 Technical delivery conditions See Table 2. Table 2 Technical delivery conditions and reference standards
24、Material Steela General requirements DIN ISO 8992 Tolerance class 6 g Thread Standards DIN ISO 261 and DIN ISO 965-1 Mechanical properties In accordance with the material concerned or subject to agreementb Product grade B Limit deviations and geometrical tolerances Standard DIN EN ISO 4759-1 Surface
25、 finish As processed DIN 267-2 shall apply with regard to surface roughness. DIN EN ISO 4042 shall apply with regard to electroplating. DIN EN ISO 10684 shall apply with regard to hot dip galvanizing. Acceptance inspection DIN EN ISO 3269 shall apply with regard to acceptance inspection. aSteel grad
26、e or other materials shall be subject to agreement. bThe symbols denoting the property classes specified in DIN EN ISO 898-1 may also be used for sizes above M 39, provided that all the mechanical properties related to the symbol concerned are complied with. 5 Designation Designation of an M 90 hexa
27、gon head bolt (M 90), with a pitch of 6 mm and a nominal length l = 240 mm, made of steel (St): Hexagon head bolt DIN 931 M 90 6 240 St If product grade A is required, this shall be indicated in the designation by adding “A“, e.g.: Hexagon head bolt DIN 931 M 90 6 240 St A If a washer face beneath t
28、he bolt head is required, then the symbol “Tm“ shall be added to the designation, e.g.: Hexagon head bolt DIN 931 M 90 6 240 Tm St A See DIN 962 for supplementary order designations for special bolt types and finishes. 8 DIN 931-2:2009-06 9 Bibliography DIN 4000-160, Tabular layout of product properties Part 160: Fasteners with external thread
