1、December 2016 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 21.060.10!%ck“2642972www.din.deD
2、IN 97Slotted countersunk (flat) head wood screws,English translation of DIN 97:2016-12Senk-Holzschrauben mit Schlitz,Englische bersetzung von DIN 97:2016-12Vis bois tte fraise fendue,Traduction anglaise de DIN 97:2016-12SupersedesDIN 97:2010-12www.beuth.deDocument comprises 7 pagesDTranslation by DI
3、N-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.03.17 DIN 97:2016-12 2 A comma is used as the decimal marker. Contents Page Foreword . 3 1 Scope 4 2 Normative references 4 3 Dimensions 4 4 Technical delivery conditions . 6 5 Designation 6 Bibliograph
4、y . 7 DIN 97:2016-12 3 Foreword This standard has been prepared by Working Committee NA 067-00-05 AA Kleinschrauben und gewindeformende Schrauben of DIN-Normenausschuss Mechanische Verbindungselemente (DIN Standards Committee Fasteners). The DIN 4000-160-10 tabular layout of product properties appli
5、es to screws covered in this standard. Attention 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 97:2010-12 as follow
6、s: a) Clause 1 “Scope” has been revised; b) the standard has been editorially revised; c) in Table 1, the number of decimal places after the comma has been unified; d) the technical delivery conditions have been updated; e) in Table 2, the indications relating to “Material” have been revised. Previo
7、us editions DIN 97: 1919-09, 1924-08, 1943-12, 1953-10, 1975-03, 1986-12, 2010-12 DIN 97:2016-12 4 1 Scope This standard specifies properties for slotted countersunk (flat) head wood screws with a thread diameter from 1,6 mm to 10 mm for use in applications which do not require construction approval
8、. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any ame
9、ndments) applies. DIN 7998, Threads and thread ends for wood screws DIN EN 26157-1, Fasteners Surface discontinuities Bolts, screws and studs subject to general requirements DIN EN ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions DIN EN ISO 3269, Fasteners Acce
10、ptance inspection DIN EN ISO 4042, Fasteners Electroplated coatings 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 8992, Fasteners General requirements
11、for bolts, screws, studs and nuts 3 Dimensions See Figure 1 and Table 1. Symbols and their descriptions are specified in DIN EN ISO 225. b 0,6 l aEdge radiused or flat Figure 1 Dimensions of slotted countersunk (flat) head wood screw (notation) DIN 97:2016-12 5 Table 1 Dimensions Dimensions in milli
12、metres Thread size (1,6) (2) 2,5 3 3,5 4 4,5 5 (5,5) 6 (7) 8 (10) dsmax. 1,60 2,00 2,50 3,00 3,50 4,00 4,50 5,00 5,50 6,00 7,00 8,00 10,00 min. 1,20 1,60 2,10 2,60 3,02 3,52 4,02 4,52 5,02 5,52 6,42 7,42 9,42 dkNominal size 3 3,8 4,7 5,6 6,5 7,5 8,3 9,2 10,2 11 12,5 14,5 18 max. 3,30 4,18 5,08 5,98
13、6,95 7,95 8,75 9,65 10,75 11,55 13,05 15,05 18,55 min. 2,70 3,43 4,33 5,23 6,05 7,05 7,85 8,75 9,65 10,45 11,95 13,95 17,45 k max. 0,96 1,2 1,5 1,65 1,93 2,2 2,35 2,5 2,75 3 3,5 4 5 n Nominal size 0,4 0,5 0,6 0,8 0,8 1 1 1,2 1,2 1,6 2 2 2,5 max. 0,60 0,70 0,80 1,00 1,00 1,20 1,20 1,51 1,51 1,91 2,31
14、 2,31 2,81 min. 0,46 0,56 0,66 0,86 0,86 1,06 1,06 1,26 1,26 1,66 2,06 2,06 2,56 t max. 0,45 0,6 0,7 0,85 1,0 1,1 1,2 1,3 1,4 1,6 1,9 2,1 2,6 min. 0,32 0,4 0,5 0,6 0,7 0,8 0,9 1,0 1,1 1,2 1,4 1,6 2,0 l Nom. size min. max. 8 7,25 8,75 10 9,25 10,75 12 11,10 12,90 (14) 13,10 14,90 16 15,10 16,90 (18)
15、17,10 18,90 20 19,00 21,00 25 24,00 26,00 30 29,00 31,00 35 33,75 36,25 40 38,75 41,25 45 43,75 46,25 50 48,75 51,25 60 58,50 61,50 70 68,50 71,50 80 78,50 81,50 Lengths exceeding 80 mm shall be graded in 10 mm increments. Bracketed sizes should be avoided if possible. NOTE Commercial sizes of wood
16、screws are those given in the zone between the stepped lines. DIN 97:2016-12 6 4 Technical delivery conditions See Table 2. Table 2 Technical delivery conditions and reference standards Material Steel Stainless steel Nonferrous metal St (grade at the manufacturers discretion) A2 to A5aCuZn = copper-
17、zinc-alloydGeneral requirements DIN ISO 8992 Threads and thread ends DIN 7998 Limit deviations, geometrical tolerances Product grade C Standard DIN EN ISO 4759-1bSurface finish Coating As processed. DIN EN ISO 4042 applies with regard to electroplating. PlaincAs processed. DIN EN ISO 4042 applies wi
18、th regard to electroplating. Surface condition DIN EN 26157-1 applies with regard to limits for surface discontinuities. null Acceptance inspection DIN EN ISO 3269 aThe material designation of screws complying with this standard shall be analogous to that given in DIN EN ISO 3506-4. bDIN EN ISO 4759
19、-1 currently applies only for screws with ISO metric screw thread and for tapping screws. Unless given in this standard, the permissible deviations and geometrical tolerances specified in DIN EN ISO 4759-1 shall be adopted analogously for wood screws. cPassivation as in DIN EN ISO 16048 is recommend
20、ed. dThe material designation of screws complying with this standard shall be analogous to that given in DIN EN 12166. 5 Designation Designation of a size 4 slotted countersunk (flat) head wood screw with a length l (nominal size) = 20 mm, made of steel (St): Wood screw DIN 97 4 null 20 St DIN 97:2016-12 7 Bibliography DIN 4000-160, Tabular layout of product properties Part 160: Fasteners with external thread DIN EN 12166, Copper and copper alloys Rods for general purposes DIN EN ISO 3506-4, Mechanical properties of corrosion-resistant stainless steel fasteners Part 4: Tapping screws
