DIN934

D1N93487■279444600237731■UDC621.882.31DEUTSCHE NORMOctober 1987Hexagon nutswith metric coarse and fine pitch threadDProduct classes A and B934Sechskantmuttern;Metrisches Regel-und Feingewinde;Supersedes July 1982 edition.Produktklassen A und BIn keeplng with current practice in standards published by the International Organization for Standardlzation (ISO),a commahas been used throughout as the decimal marker.This standard should be used together with ISO 4032,ISO 8873,and,ISO 8674.For details,see Explanatory notes.It isintended to withdraw the present standard by 1 July 1992 at the latest.SInce the revlsed property classes as covered in ISO 898 Part 2 can only be applied to hexagon nuts complying with thepresent standard for sizes between M 5 and M39 In conjunction with the proof loads hitherto specified in DIN 267 Part 4,itis recommended that only hexagon nuts complying with ISO 4032(coarse pltch thread)or ISO 8673 and ISO 8674 (finepitch thread)be used,the corresponding proof loads being specified in ISO 898 Part 2and DIN 267 Part 23.To distingulshbetwoen types of nut,the symbol identifylng nuts as complying with the present standard nuts will in future have to beamended by the code number denoting the property class being set off by two permanent vertical lines,e.g.8(seeDIN 287 Part 4).的Dimensions in mm1Fleld of applicationThis standard specilies requirements for M1 to M160 hexagon nuts,assigned to product grade A(up to size M16)orproduct grade B(for slzes above M16).If,in special cases,nuts are to comply with speciflcatlons other than those glven Inthis standard,e.g.regarding property class,they shall be selected in accordance with the relevant standards.2DimensionsIn the case of sizesof M110 or more,the hexagon edgesmay be radlused (Gr).0309'=minimum wrenching helght (0,8 th minimum).For designation,see clause 4.Continued on pages 2 to 7Beuth Verlag ambH,Berlin,has the right of sale for Garman Standarda (DIN-Normen)028DIN 934 Engl.Price group 7Sales No.0107Copyright by the DIN Deutsches Institut Fur Normung E Vlon Mar041317382013