DS DS/EN 3305
DS DSEN 3305 1997-JAN-30 Aerospace seres - Screws 100° countersunk reduced head offset crucform recess close tolerance normal shank short thread n alloy steel cadmum plated - Classfcaton 1 100 MPa at ambent temperature235 °C
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This standard specifies the characteristics of screws, 100° countersunk reduced head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification: 1 100 MPa/235°C.