This allows full clamping of the flat faced ball at all times.GN606-M10-40-A Socket Head Cap Screw Socket head cap screws with safety twist ball (types V and VR) are designed so the flat faced ball cannot twist more than a maximum of 9 degrees. Indentation on the workpiece is eliminated and the workpiece does not alter its position during clamping..
GN 471.3-125-B14 Crank Handle Aluminum In the operating position, the hand piece is firmly locked.3 crank handles are mainly used for applications where the hand piece must not protrude.