USB 3.1 Type-C Dual Screw Locking to Locking USB-C 10Gbps Data Cable Panel Mount Type. With M2.0 Panel Mount locking Screw. Type C connector is the new design for USB 3.1. Reversible Design for Type C connector. Response to the growing needs for secure interconnection, the USB-C dual screw locking connector and single screw locking connector will provide more reliable and secure mating mechanism for industrial and other user application.