Amazon
90° countersinking angle for preparing flush screw connections with countersink screws special 3-edge cutting geometry for quiet running and fast work progress cutting edges with radial relief for clean countersinking without tear-out, with high cutting performance
90° countersinking angle for preparing flush screw connections with countersink screws special 3-edge cutting geometry for quiet running and fast work progress cutting edges with radial relief for clean countersinking without tear-out, with high cutting performance