din-7500-m-vints参考标准资料

August 1995Thread rolling screws for ISOmetric screw thread瓜Dimensions,requirements and testing7500-11CS21.040.30:21.060.10Supersedes December 1984 editionDescriptors:Thread rolling screws,metric ISO screw thread,fasteners,screws.Gewindefurchende Schrauben fur metrisches ISO-Gewinde.Teil 1:MaBe,Anforderungen.Prufung.In keeping with current practice in standards published by the International Organization for Standardization (ISO),a commahas been used throughout as the decimal marker.ForewordThis standard has been prepared by the NormenausschuB Mechanische Verbindungselemente (Fasteners Standards Com-mittee)and deals with screws which,when driven into a predrilled core hole,form their own mating thread by displacingmaterial radially.AmendmentsThe following amendments have been made to the December 1984 edition.a)The references to other DIN Standards have been updated.b)An'E'has been added to each screw head type (except for type 'E'itself)c)The maximum core hardness has been reduced (to 370 HV).d)The standard has been editorially revised.Previous editionsD1N7500:1978-10:DIN7500-1:1984-12Continued on pages 2 to 8.308