DIN 564-1995 Hexagon head set screws with small hexagon and half dog point and flat cone point《六角头短圆截锥端紧定螺钉》.pdf

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1、DEUTSCHE NORM February 1995 Hexagon set screws with small hexagon, half dog point and flat cone point DIN 564 ICs 21.060.10 Descriptors: Fasteners, screws, set screws. Sechskantschrauben mit Ansatzspitze und kleinem Sechskant In keeping with current practice in standards published by the Internation

2、al Organization for Standardization (ISO), a comma has been used throughout as the decimal marker. Supersedes February 1985 edition. Dimensions in mm 1 This standard specifies dimensions and technical delivery conditions for coarse and fine pitch thread M6 to M36 hexagon set screws with small hexago

3、n, half dog point and flat cone point, assigned to product grade A. These screws are only to be used as forcing screws (.e. for adjusting and locating purposes when there is considerable resistance to motion). NOTE: For sizes M12 and M16 screws, this standard specifies widths across flats which are

4、in current use, .e. 16 mm and 18 mm, in accordance with IS0 272. Specifications for obsolete widths across flats (17 mm and 19 mm) are pro- vided in Appendix A. Where screws are to comply with specifications other than those given in this standard (e.g. regarding nominal length or property class), t

5、hese shall be selected in accordance with the relevant standards. Scope and field of application Continued on pages 2 to 5. ith Verlag GmbH, Berlin, has the exclusive right of sale for German Standards (DIN-Normen). DIN 564 End. Price grow I 01.96 - -. Sales No.0106 Page2 DIN 564 max. = nominal size

6、 d, min. dP 2 Dimensions 4 5,5 7 83 12 15 18 23 28 3,82 5,32 6,78 8,28 11,73 14,73 17,73 22,67 27,67 DIN 78 - Asp type thread end e min. Nominal size HI I 111-5v 8,79 11,05 14,38 17,77 19,92 26,75 33,53 39,98 51,28 5 6 7 9 11 14 17 21 25 u (incomplete thread): 2 P max. mar. k, min. r min. k, is the

7、minimum wrenching height; e shall be maintained within k,. al as in DIN 76-1, d, z2 and 25 as in DIN 78. 5,15 6,15 7,18 9,18 11,21 14,21 17,21 21,26 25,26 3,4 4,1 48 62 7,6 9,7 11,8 143 17,3 0,25 0,4 0,4 0,6 0,6 08 03 1 1 Table 1 : Dimensions min. 7,78 9,78 12,73 15,73 17,73 23,67 29,67 35,38 45.38

8、- 2.2 max. a5 = k min. I 4,85 I 5,85 I 6,82 I 8,82 I 10,79 1 13,79 I 16,79 I 20,74 I 24,74 3,25 4,3 5,3 63 8,36 10,36 12,43 15,43 18,43 1,75 2,5 3 3,5 4,5 5 6 8 10 rnax. nominal = size s 18 110 113 116 118 124 130 136 146 min. nominal = size z7 13 14 15 16 18 110 112 115 118 I) P = pitch of thread (

9、coarse pitch thread). (continued) DIN 564 Page3 M6 MB M10 M12 M16 M20 M24 M30 - - - - - M20x2 M24x2 M30x2 Thread size Table 1 (concluded) M36 M36x3 1 size min. rnax. lorninal 12 11,65 12,35 (14) 13,65 14,35 16 15,651 16,35 3,93 4,27 4,61 8,30 (18) 17,65 20 I 19,58 I 20,42 I 5,32 18,35 4,96 25 1 24,5

10、18 I 25,42 I 6,ll 8,94 9,54 11,l 30 I 29,58 I 30,42 44,5 49.5 50,5 60 59,4 60,6 7,06 I 12,7 WI 90,7 180 1 179,2 1 180,8 200 I 199,075 I 200,925 ! Approx. mass (7,85 kg/dm3) per 1 O00 units, in kg 21,4 36,6 60,3 23,9 40,5 66,9 26,4 43,8 733 28,8 1 47,4 I 80,l 31,3 1 51,O F 86,6 99,8 113 126 139 128 1

11、39 150 172 194 21 6 238 260 227 243 275 307 339 371 403 467 713 I 1120 For the range of commercial sizes between the continuous thick lines, values of mass have been specified (for guidance only). Bracketed sizes should be avoided if possible. Lengths above 200 mm shall be graded in 20 mm steps. Pag

12、e4 DIN 564 3 Technical delivery conditions Steel Material Stainless steel Nonferrous metal General requirements 14H or 22H IS0 898-5 Thread A2-50 Cuzn) IS0 3506 DIN EN 28839. Tolerance Bright. - - - As specified in Bright. - - - Mechanical properties Property class (material) As specified in Product

13、 grade Limit deviations and geometrical tolerances As specified in Surface finish Acceptance inspection Table 2: Technical delivery conditions As specified in IS0 8992. DIN 13-15. As processed. Property class 22H: (thermally or chemically) blackened. IS0 4042 shall apply with regard to electroplatin

14、g. DIN 267-10 shall apply with regard to hot-dip galvanizing. IS0 4759-1. DIN 267-2 shall apply with regard to surface roughness. DIN EN 26 157-3 shall apply with regard to the limits of surface discontinuities. As specified in IS0 3269. ) Copper-zinc alloy CU2 or CU3, at the manufacturers discretio

15、n. 4 Designation Designation of an M8 hexagon screw with a nominal length, 1, of 40 mm and assigned to property class 14H: Hexagon screw DIN 564 - M8 x 40 - 14H For M12 and M16 hexagon screws, widths across flats in current use, as specified in IS0 272, shall apply and are to be given in the designa

16、tion, e.g.: Designation of an M12 hexagon screw with a nominal length, I, of 60 mm, with a width across flats of 16 mm (SW 16), and as- signed to property class 14H: Hexagon screw DIN 564 - M12 x 60 - SW 16 - 14H The screws may also be supplied with a thread undercut (Ri) conforming to DIN 962. In t

17、his case, symbol Ri shall be included in the designation, e.g.: Hexagon screw DIN 564 - M8 x 40 - Ri - 14H DIN 962 shall apply to the designation of type and finish, with additional information to be given on ordering. The DIN 4000 - 2 - 1 tabular layout of article characteristics shall apply to the

18、 screws covered in this standard. DIN 564 Page 5 Thread size e min. Appendix A Widths across flats for replacement and maintenance purposes 17 mm and 19 mm widths across flats are not included in IS0 272, and their further use is deprecated. However, should such screws be required as replacement par

19、ts, they may still be ordered with the dimensions specified in the table below. For ordering purposes, the following designation may be used (example): Hexagon set screw DIN 564 - MI2 X 60 - 14H M12 M16 18.9 21,l Table A.l: Obsolete widths across flats max.= min. Standards referred to DIN 13-15 DIN

20、76-1 DIN 78 DIN 267-2 DIN 267-10 DIN 962 DIN 4000-2 DIN EN 26 157-3 DIN EN 28 839 IS0 272 : 1982 IS0 898-5 : 1980 IS0 3269 : 1988 IS0 3506 : 1979 IS0 4042 : 1989 IS0 4759-1 : 1978 IS0 8992 : 1986 IS0 metric screw threads; fundamental deviations and tolerances for screw threads of 1 mm diameter and l

21、arger Thread run-outs and thread undercuts for IS0 metric screw threads in accordance with the DIN 13 series Thread ends and lengths of projection of bolt ends for IS0 metric screw threads in accordance with the DIN 13 series Fasteners: technical delivery conditions; product grades and tolerances Fa

22、steners; technical delivery conditions; hot-dip galvanized components Designation system for fasteners Tabular layouts of article characteristics for bolts, screws and nuts Fasteners; surface discontinuities; bolts, screws and studs for special requirements (IS0 6157-3 : 1988) Mechanical properties

23、of fasteners: nonferrous metal bolts, screws, studs and nuts Fasteners; hexagon products; widths across flats Mechanical properties of fasteners; set screws and similar threaded fasteners not under tensile stresses Fasteners: acceptance inspection Corrosion-resistant stainless steel fasteners; speci

24、fications Threaded components; electroplated coatings Tolerances for fasteners; bolts, screws and nuts with thread diameters between 1,6 (inclusive) and 150 mm (inclusive) and product grades A, B and C Fasteners: general requirements for bolts, screws, studs and nuts Previous editions DIN 564: 1923-

25、12, 1938-12, 1951-01, 1953-06, 1963-04, 1967-12, 1985-02. Amendments The following amendments have been made to the February 1985 edition. a) The symbol k has been replaced by k,. b) For size d, tolerance b13 has been replaced by tolerance h13 as specified in DIN 78. c) The widths across flats have

26、been amended for M12 and M16 screws. d) For property classes, reference is now made to IS0 898-5. e) The technical delivery conditions now also cover stainless steel and nonferrous metal screws. f) For screws with thread undercut, symbol A has been replaced by Ri, in accordance with DIN 962. g) The standard has been editorially revised.