DIN_6903相关标准规范

UDC621.882.42:621.882.2.082.8December 1990Plain washersDINfor tapping screw and washer assemblies6903Scheiben fur Kombi-BlechschraubenSupersedes December 1972 edition.In keeping with current practice in standards published by the International Organization for Standardization (ISO),a commahas been used throughout as the decimal marker.Dimensions in mm1 Scope and field of applicationWashers as specified in this standard are intended for use with DIN 6901 tapping screw and washer assemblies.2 DimensionsType AType BTable 1.ClearanceOutside diameter.d2Thickness.hApproximateNom-hole diameter.massForinaldType AType BType AType B(7.85kg/dmthreadsizemin.=m准发ma关.■min.ma其.=min.per 1000 units,sizenomnom-nom-Nom-ma×min.Nom-max.min.in kginalinalinalinalinalsizesizesize'sizesizeType AType B2.52.52.626,7898,781.060.941.060.940,260.46sT2.9333.197,781110,731.060.94A1.060.940.340.69ST3.5333.33,428.781211.731.060.94A1.060.940.430.82ST3.93.553.553.6798.781211,7311.060.941.060.940.420.81ST4.2444.12109.781514.7311.060.941.61681.520.522.06ST4.84,74.74.821211.731514.73161.681.521.61.681.521.202,00ST5.55,45.45.521413.731817.731.61.681.521.61.681521652,91ST6,37,157.157.31615.732423.671.61.681.5222.091912.026,47ST8Continued on page 2199