Specification for unified machine screws and machine screw nuts.
NORM herausgegeben am 30.8.1991
Bezeichnung normen: BS 1981:1991
Ausgabedatum normen: 30.8.1991
Zahl der Seiten: 48
Gewicht ca.: 144 g (0.32 Pfund)
Land: Britische technische Norm
Kategorie: Technische Normen BS
Applicable to machine screws and machine screw nuts having ISO inch screw threads and hexagon head and slotted or recessed heads with type Z and type V recess. Mechanical properties are specified for steel, brass and aluminium alloy screws and nuts. Status: Confirmed