1、November 2009 Translation by DIN-Sprachendienst.English price group 5No 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).IC
2、S 21.060.10!$ldk“1736572www.din.deDDIN 797Special foundation boltsEnglish translation of DIN 797:2009-11AnkerschraubenEnglische bersetzung von DIN 797:2009-11Vis dancrageTraduction anglaise de DIN 797:2009-11SupersedesDIN 797:1970-11www.beuth.deDocument comprises pagesIn case of doubt, the German-la
3、nguage original shall be considered authoritative.603.11 DIN 797:2009-11 A comma is used as the decimal marker. Contents Page Foreword. 3 1 Scope . 4 2 Normative Verweisungen. 4 3 Dimensions 5 4 Technical delivery conditions . 6 5 Designation . 6 2 DIN 797:2009-11 Foreword This standard has been pre
4、pared by Working Committee NA 067-03-05 AA Verbindungselemente mit Sonder-formen of the Normenausschuss Mechanische Verbindungselemente (Fasteners Standards Committee). Amendments This standard differs from DIN 797:1970-11 as follows: a) a scope has been defined; b) normative references have been up
5、dated; c) the technical delivery conditions have been completely revised. Previous editions DIN 797-1: 1942-01, 1953-07 DIN 797: 1970-11 3 DIN 797:2009-11 1 Scope This standards specifies properties for sizes M24 to M100 6 special foundation bolts. Specifications for special foundation nuts are give
6、n in DIN 798. 2 Normative Verweisungen The following referenced documents are indispensable 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 76-1,
7、Thread run-outs and thread undercuts Part 1: For ISO metric threads in accordance with DIN 13-1 DIN 798, Special foundation nuts DIN 962, Designation system for fasteners DIN EN 26157-1, Fasteners Surface discontinuities Bolts, screws and studs subject to general requirements DIN EN ISO 898-1, Mecha
8、nical properties of fasteners made of carbon steel and alloy steel Part 1: Bolts, screws and studs with specified property classes Coarse thread and fine pitch thread DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 4753, Fasteners Ends of
9、 parts with external metric ISO 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 10683, Fasteners Non-electrolytically applied zinc flake coatings DIN EN ISO 10684, Fasteners Hot dip galvanized coatings DIN ISO 724, ISO gen
10、eral purpose metric screw threads Basic dimensions 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 4 DIN 797:2009-11 3 Dimensions See Figure 1 and Table 1. Key ds pitch
11、 diameter x thread run-out as in DIN 76-1 u length of incomplete thread 2P Thread end chamfered (CH) or rounded (RN) as in DIN EN ISO 4753 at the manufacturers discretion. Figure 1 Dimensions of special foundation bolt (notation) Table 1 Dimensions Dimensions in millimetres daaM24 M30 M36 M42 M48 M5
12、6 M64 M72 6 M80 6 M90 6 M100 6b175 85 95 105 120 140 155 170 185 205 225 b2110 120 140 150 160 170 190 200 220 240 260 dib M12 M12 M12 M16 M16 M16 M20 M20 M20 t 22 22 22 26 26 26 33 33 33 z 14 18 22 25 28 32 36 40 45 50 56 aOther pitches shall be subject to agreement. bThis thread is designed for sc
13、rews with a mass exceeding 10 kg and is to be expressly stated at the time of ordering, e.g. special foundation bolt DIN 797 M64 600 M16 5.6. 5 DIN 797:2009-11 6 4 Technical delivery conditions Table 2 Technical delivery conditions Material Steel General requirements DIN ISO 8992 Tolerance 8g Thread
14、 Standard DIN ISO 965-1, DIN ISO 724 Property classa (material) 4.6, 5.6, 8.8 d M39 subject to agreement Mechanical properties Standard DIN EN ISO 898-1 Product grade C Limit deviations and geometrical tolerances Standard DIN EN ISO 4759-1 Surface finish As processed. DIN EN 26157-1 applies with reg
15、ard to limits for surface discontinuities, DIN EN ISO 4042 applies with regard to electroplating, DIN EN ISO 10683 applies with regard to zinc flake coatings, DIN EN ISO 10684 applies with regard to hot dip galvanizing. Acceptance inspection DIN EN ISO 3269 applies with regard to acceptance inspecti
16、on. aOther property classes or materials shall be subject to agreement. 5 Designation Designation of an M30 special foundation bolt, of nominal length l = 1 300 mm and property class 5.6: Special foundation bolt DIN 797 M30 1300 5.6 See DIN 962 for supplementary order designations for special bolt types and finishes.
