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1、International Standard INTERNATIONAL ORGANIZATION FOR STANOARLllZATlON*MEYHAPOAHAR OPTAHHBAUHR ROCTAHAAPTk3AlWWORGANlSATlON INTERNATIONALE DE NORMALISATION Slotted raised countersunk (oval) head tapping screws (common head style) Vis B t&le 9 t&e fraisbe bomb&e, fendue First edition - 1983-09-15 iii
2、 U DC 621.882.215.082.8 Ref. No. IS0 1483-1983 (El Descriptors : fasteners, screws, slotted head screws, countersunk head screws, dimensions, designation. 8 Price based on 3 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical
3、Standards 1/9972545001 Not for Resale, 04/28/2007 07:21:43 MDTNo reproduction or networking permitted without license from IHS -,-,- Foreword IS0 (the International Organization for Standardization) is a worldwide federation of national standards bodies (IS0 member bodies). The work of developing In
4、ternational Standards is carried out through IS0 technical committees. Every member body interested in a subject for which a technical committee has been authorized has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO,
5、 also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IS0 Council. International Standard IS0 1483 was developed by Technical Committee ISO/TC 2, Fasten
6、ers, and was circulated to the member bodies in December 1981. It has been approved by the member bodies of the following countries: Australia Austria Belgium Brazil Canada China Czechoslovakia Denmark Egypt, Arab Rep. Finland of France Germany, F. R. Hungary India Ireland Japan Korea, Dem. P. Rep.
7、Korea, Rep. of Mexico Netherlands New Zealand Norway Poland Romania South Africa, Rep. of Spain of Sweden Switzerland USA The member bodies of the following countries expressed disapproval of the document on technical grounds: Italy United Kingdom USSR This International Standard cancels and replace
8、s IS0 Recommendation R 14881970, of which it constitutes a technical revision. International Organization for Standardization, 1983 0 Printed in Switzerland Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001
9、Not for Resale, 04/28/2007 07:21:43 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD 1801483-1983 (E) Slotted raised countersunk (oval) head tapping screws (common head style) 1 Scope and field of application This International Standard specifies the c
10、haracteristics of slotted raised countersunk (oval) head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive. 2 References IS0 225, Fasteners - Bolts, screws, studs and nuts - Symbols and designations of dimensions. IS0 1478, Tapping screws thread. IS0 2702, Heat-treated steel tapping s
11、crews - Mechanical properties. IS0 3258, Fasteners - Acceptance inspection. 1) IS0 4042, Threaded components - Electroplated coatings cornponents.1) IS0 4759/l, Tolerances for fasteners - Part 1: Bolts, screws and nuts with thread diameters 1,6 and 158 mm and product grades A, B and C. IS0 7721, Cou
12、ntersunk head screws - Head configurations and gauging. 1) At present at the stage of draft. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/28/2007 07:21:43 MDTNo reproduction or networ
13、king permitted without license from IHS -,-,- IS0 1493-1993 (E) 3 Dimensions Type c A rEdge rounded or flat Type F Dimensions in millimetres t ref.41 Type C 2 y 1 2,6 ( 3.2 1 3,7 ( 4.3 6 1 7.5 1 8 Type F 1,6 2,1 1 2.5 2,8 1 3,2 1 3,6 1 3,6 1 4,2 1 4,2 I) P = pitch of the thread. 2) Distance from the
14、 underside of the head to the first major diameter of the thread within specified limits. 3) See IS0 7721. 4) Length of incomplete thread. 5) Sizes with lengths marked with a dash f-j in the table shall not be manufactured. 2 Copyright International Organization for Standardization Provided by IHS u
15、nder license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/28/2007 07:21:43 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 1483-1983 (EI 4 Specifications and reference International Standards Material Thread Mechanical properties Tolerances
16、 Product grade International Standard Steel, according to IS0 2702 According to IS0 1478 According to ISQ 2702 A IS0 4759/l Plain Finish Acceptability Requirements for electroplating are covered in IS0 4042. If different electroplating requirements are desired or if requirements are needed for other
17、 finishes, they should be negotiated between customer and supplier. For acceptance procedure see IS0 3269. 5 Designation Example for the designation of a slotted raised countersunk (oval) head tapping screw with thread size ST 3,5, nominal length 1 = 16 mm and cone end type C. Tapping screw IS0 1463 - ST 3.5 x 16 - C 3 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/28/2007 07:21:43 MDTNo reproduction or networking permitted without license from IHS -,-,-