1、September 2010 Translation by DIN-Sprachendienst.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).I
2、CS 21.060.10!$ldr“1736579www.din.deDDIN 7992T-head bolts with large headEnglish translation of DIN 7992:2010-09Hammerschrauben mit groem KopfEnglische bersetzung von DIN 7992:2010-09Vis tte rectangulaire tte largeTraduction anglaise de DIN 7992:2010-09SupersedesDIN 7992:1970-12www.beuth.deDocument c
3、omprises pagesIn case of doubt, the German-language original shall be considered authoritative.80 .113 DIN 7992:2010-09 A comma is used as the decimal marker. Contents Page Foreword. 3 1 Scope . 3 2 Normative references . 3 3 Dimensions 4 4 Technical delivery conditions . 6 5 Designation . 6 Annex A
4、 (informative) Example of application 7 Bibliography . 8 2 DIN 7992:2010-09 Foreword This standard has been prepared by Working Committee NA 067-00-08 AA Verbindungselemente mit Sonder-formen und aus Kunststoff of the Normenausschuss Mechanische Verbindungselemente (Fasteners Standards Committee). A
5、ttention 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 7992:1970-12 as follows: a) a scope has been defined; b) nor
6、mative references have been updated; c) the loading capacity has been deleted in Table 1; d) the technical delivery conditions (Clause 4) have been completely revised; e) the example of application and the specifications for the bolt pocket are now given in an informative Annex A. Previous editions
7、DIN 7992: 1957-11, 1961-03, 1970-12 1 Scope This standard specifies properties for sizes M24 to M1006 T-head bolts with large head. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies.
8、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 962, Bolts, screws, studs and nuts Designation, types and finishes DIN EN 26157-1, F
9、asteners Surface discontinuities Part 1: Bolts, screws and studs subject to general requirements DIN EN ISO 898-1, Mechanical 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 32
10、69, Fasteners Acceptance inspection DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 4753, Fasteners Ends of parts with external metric ISO thread 3 DIN 7992:2010-09 DIN EN ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and C DIN EN ISO 106
11、83, Fasteners Non-electrolytically applied zinc flake coatings DIN EN ISO 10684, Fasteners Hot dip galvanized coatings DIN ISO 724, ISO general 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 8
12、992, Fasteners General requirements for bolts, screws, studs and nuts 3 Dimensions See Figure 1 and Table 1. Key 1 notch in longitudinal direction of T-head alength l is to be stated at the time of ordering (see also Annex A) bthread run-out as in DIN 76-1 Figure 1 Dimensions of T-head bolt with lar
13、ge head (notation) Thread end chamfered (CH) or rounded (RN) as in DIN EN ISO 4753 at the manufacturers discretion. 4 DIN 7992:2010-09 Table 1 Dimensions Dimensions in millimetres d1M24 M30 M36 M42 M48 M56 M64 M72 6 M80 6 M90 6 M100 6 b 100 120 140 170 200 220 240 260 290 320 350 h 18 20 25 30 30 30
14、 30 30 30 30 30 k 18 22 25 30 35 40 50 55 60 70 75 o 24 30 36 42 48 56 64 72 80 90 100 q 65 75 85 95 110 125 140 155 170 185 205 rmin 1,6 1,6 2 2 2 3 3 4 4 4 5 Mass of head (dimension k) kg/unit 0,205 0,360 0,555 0,850 1,34 2,00 3,21 4,40 5,80 8,30 11,0 Mass per 20 mm bolt length kg/unit 0,071 0,111
15、 0,160 0,218 0,284 0,386 0,506 0,640 0,790 0,998 1,23 5 DIN 7992:2010-09 4 Technical delivery conditions Table 2 Technical delivery conditions Material Steel General requirements DIN ISO 8992 Tolerance class 8g Thread Standard DIN ISO 965-1, DIN ISO 724 Property classa (material) 5.6 d M42 subject t
16、o 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 regard to limits for surface discontinuities, DIN EN ISO 4042 applies with regard to electroplat
17、ing, 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 inspection. aOther property classes or materials shall be subject to agreement. 5 Designation EXAMPLE
18、 Designation of an M36 T-head bolt with large head, of nominal length l (nominal size) = 1 200 mm and property class 5.6: T-head bolt DIN 7992 M36 1200 5.6 See DIN 962 for supplementary order designations for special bolt types and finishes. 6 DIN 7992:2010-09 Annex A (informative) Example of applic
19、ation aLength l is given by the depth of insertion f plus projection a. This length is to be stated at the time of ordering and shall be rounded in each case to the nearest 20 mm. If intermediate lengths are unavoidable, these shall be graded in 10 mm increments. Figure A.1 Bolt pocket Table A.1 Dim
20、ensions Dimensions in millimetresBolt pocket M24 M30 M36 M42 M48 M56 M64 M72 6 M80 6 M90 6 M100 6 c 140 150 170 190 210 220 240 260 280 300 320 e 30 35 42 50 58 65 75 85 95 105 115 f 800 1 000 1 200 1 400 1 600 1 800 2 000 2 200 2 400 2 600 2 800 Channel section DIN 1026-1 65 65 80 100 120 120 140 140 160 160 180 7 DIN 7992:2010-09 8 Bibliography DIN 1026-1, Hot rolled steel channels Part 1: Taper flange steel channels Dimensions, masses and sectional properties
