Staubli Black, Male to Female Test Connector Adapter With Brass contacts and Gold Plated - Socket Size: 4mm

4mm screw clamping adapters that can be screw mounted into 4mm diameter sockets. These screw mounting adapters have an expandable 4mm diameter plug that can be locked into the socket by tightening a grub screw. Once assembled, these screw mounting adapters offer complete touch-proof protection. The 4mm diameter socket accepts spring loaded 4mm diameter plugs.