Disk nut for fastening together e.g. core drill components has cup-shaped base with axial bore, into which connector fits, washer fitting into base which has cup-shaped upper surface, in which curved lower surface on connector swivels

摘要

The disk nut for fastening together components of core drills, wall saws and wire saws comprises a cup-shaped base (2) with an axial bore (7), into which a cylindrical connecting section (3, 10) fits which also has a threaded axial bore (4). A washer (13) fits into the base which has a cup-shaped upper surface (14), in which a curved lower surface (12) on the connector can swivel.