DIN 922-2012 Slotted pan head screws with small head and full dog point《小头和全蜗杆盘头槽头镙钉》.pdf

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1、June 2012 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).ICS 21

2、.060.10!%Tw“2024984www.din.deDDIN 922Slotted pan head screws with small head and full dog point,English translation of DIN 922:2012-06Flachkopfschrauben mit Schlitz, kleinem Kopf und Zapfen,Englische bersetzung von DIN 922:2012-06Vis tte cylindrique mince rduite, fendue, tton,Traduction anglaise de

3、DIN 922:2012-06SupersedesDIN 922:2006-08www.beuth.deDocument comprises 8 pagesIn case of doubt, the German-language original shall be considered authoritative.07.13 DIN 922:2012-06 2 A comma is used as the decimal marker. Contents Page Foreword . 3 1 Scope . 4 2 Normative references . 4 3 Symbols .

4、5 4 Dimensions 5 5 Technical delivery conditions . 8 6 Designation . 8 DIN 922:2012-06 3 Foreword This standard has been prepared by Working Committee NA 067-00-08 AA Verbindungselemente mit Sonderformen und aus Kunststoff of the Normenausschuss Mechanische Verbindungselemente (FMV) (Fasteners Stand

5、ards Committee). Attention is drawn to the possibility that some 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. The DIN 4000-160-2 tabular layout of article characteristics shall apply to screws covered

6、in this standard. Amendments The standard differs from DIN 922:2006-08 as follows: a) normative references have been updated; b) clause 3 on symbols has been included; c) according to DIN EN ISO 225, the symbol f has been changed to v; d) dimension l2has been changed to z according to DIN EN ISO 225

7、; e) radius rehas been included, replacing dimension z; f) the thread tolerance class as provided in Table 2 has been revised; g) Table 2 has been corrected for product grade F; h) in Table 2, property class 4.8 has been restricted to thread sizes from M1,6; i) in Table 2, the footnote has been dele

8、ted and its content included under “Mechanical properties”; Previous editions DIN 922: 1943-01, 1953-08, 1972-08, 1986-09, 2006-08DIN 922:2012-06 4 1 Scope This standard specifies characteristics for M1,4 to M10 slotted pan head screws with small head and full dog point in product grades F and A. 2

9、Normative references 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 267-6, Fasteners Technic

10、al delivery conditions, finishes and tolerances for product grade F DIN 962, Bolts, screws, studs and nuts Designation, types and finishes DIN 4000-160, Tabular layout of product properties Part 160: Fasteners with external thread DIN EN 10087, Free-cutting steels Technical delivery conditions for s

11、emi-finished products, hot-rolled bars and rods DIN EN 10277-3, Bright steel products Technical delivery conditions Part 3: Free-cutting steels DIN EN 26157-1, Fasteners Surface discontinuities Bolts, screws and studs subject to general requirements DIN EN 28839, Mechanical properties of fasteners N

12、onferrous metal bolts, screws, studs and nuts DIN EN ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions 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 Coars

13、e thread and fine pitch thread DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 3506-1, Mechanical properties of corrosion-resistant stainless steel fasteners Part 1: Bolts, screws and studs DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 4753, Fasteners Ends of parts with ex

14、ternal ISO metric 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 16048, Passivation of corrosion-resistant stainless-steel fasteners DIN ISO 965-1, ISO general purpose metric screw threads Tolerances Part 1: Principles an

15、d basic data DIN ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts DIN 922:2012-06 5 3 Symbols The following symbols apply for pan head screws with full dog point: l1nominal length of the screw (excluding the full dog point) Other relevant symbols and their descriptions are

16、specified in DIN EN ISO 225. 4 Dimensions See Figure 1 and Table 1. Key 1 End rounded (RN) as in DIN EN ISO 4753 aTop edge of head rounded or chamfered (optional). bre 1,4 d. cFor M3. dFor M3. Figure 1 Slotted pan head screw with small head and full dog point DIN 922:2012-06 6 Table 1 Screw dimensio

17、ns Dimensions in millimetres Thread size (d) M1,4 M1,6 M2 M2,5 M3 Pa0,3 0,35 0,4 0,45 0,5 a max. 0,6 0,7 0,8 0,9 1,0 dkmax (nominal size) 2,00 2,30 2,80 3,50 4,00 min. 1,86 2,16 2,66 3,32 3,82 dpmax. (nominal size) 0,800 0,800 1,200 1,500 2,000 min. 0,775 0,775 1,175 1,475 1,975 k Nominal size 0,9 1

18、 1,2 1,5 1,8 max. 1,02 1,12 1,32 1,62 1,92 min. 0,78 0,88 1,08 1,38 1,68 n Nominal size 0,25 0,3 0,3 0,4 0,5 max. 0,45 0,50 0,50 0,60 0,70 min. 0,31 0,36 0,36 0,45 0,56 r max. 0,10 0,10 0,10 0,10 0,10 t max. 0,60 0,70 0,80 0,95 1,15 min. 0,45 0,50 0,60 0,75 0,90 v 0,25 0,25 0,30 0,40 0,45 l1Nominal

19、size Tolerance 1,6 js15 for l1+ z 2 3 4 6 z Nominal size min. max. 0,6 0,6 0,85 1 1 1,25 1,6 1,6 1,85 2 2 2,25 2,5 2,5 2,75 (3) 3 3,25 DIN 922:2012-06 7 Table 1 (continued) Dimensions in millimetres Thread size (d) M4 M5 M6 M8 M10 Pa0,7 0,8 1 1,25 1,5 a max. 1,4 1,6 2,0 2,5 3,0 dkmax. (nominal size)

20、 5,50 6,50 8,00 10,00 13,00 min. 5,32 6,28 7,78 9,78 12,73 dpmax. (nominal size) 2,800 3,500 4,500 6,000 7,500 min. 2,775 3,470 4,470 5,970 7,464 k Nominal size 2,4 2,7 3,1 3,8 4,6 max. 2,52 2,82 3,25 3,95 4,75 min. 2,28 2,58 2,95 3,65 4,45 n Nominal size 0,6 0,8 1 1,2 1,6 max. 0,80 1,00 1,20 1,51 1

21、,91 min. 0,66 0,86 1,06 1,26 1,66 r max. 0,20 0,20 0,25 0,40 0,40 t max. 1,50 1,60 1,90 2,40 2,80 min. 1,20 1,30 1,50 1,90 2,30 v 0,60 0,70 0,80 0,90 1,10 l1Nominal size min. max. 3 2,9 3,1 4 3,8 4,2 5 4,8 5,2 6 5,8 6,2 8 7,8 8,2 10 9,8 10,2 12 11,7 12,3 16 15,7 16,3 20 19,6 20,4 z Nominal size min.

22、 max. 1,6 1,6 1,85 2 2 2,25 2,5 2,5 2,75 4 4 4,3 5 5 5,3 6 6 6,3 8 8 8,36 10 10 10,36 The range of commercially available lengths l1and z is between the stepped continuous lines. Bracketed sizes should be avoided if possible. aP Thread pitch. DIN 922:2012-06 8 5 Technical delivery conditions See Tab

23、le 2. Table 2 Technical delivery conditions Material Steel Stainless steel Nonferrous metal General requirements DIN ISO 8992 Thread Tolerance class 6g Standard DIN ISO 965-1 Mechanical properties Property class (material) d M1,6: subject to agreement M1,6 d M10: 4.8 A1-50 A2-70 CU2 CU3 Standards DI

24、N EN ISO 898-1 DIN EN 10087 DIN EN 10277-3 DIN EN ISO 3506-1 DIN EN 28839 Limit deviations, geometrical tolerances Product grades M1,4: F M1,6: A Standards DIN 267-6, DIN EN ISO 4759-1 Surface finish Coating As processed. Passivation in accordance with DIN EN ISO 16048 Plain. DIN EN ISO 4042 applies

25、 with regard to electroplating. DIN EN ISO 4042 applies with regard to electroplating. Surface discontinuities DIN EN 26157-1 applies to tolerances for surface discontinuities. Acceptance inspection DIN EN ISO 3269 applies with regard to acceptance inspection. 6 Designation EXAMPLE Designation of an

26、 M5 slotted pan head screw with small head and full dog point, with a nominal length (excluding the full dog point) l1of 10 mm, and a length z of 4 mm, assigned to property class 4.8: Pan head screw DIN 922 M5 10 4 4.8 See DIN 962 for supplementary order designations for special screw types and finishes.