PC4-M6 Bowden mount is a simple quick connector with an M5 thread for a Bowden tube with a diameter of 4 mm, for a 1.75 mm filament. To be used as an output from an extruder and an input to the heating block. Used in pneumatic systems. Often used in 3D printers to connect PTFE Bowden tube to extruder and hotend. A 2-4-mm PTFE tube is suitable for this Bowden Technical data PC4-M5 PC: straight thread Bowden socket with an outer diameter of 4 mm External thread diameter: 5 mm Material: plastic, brass Fluid type: Air / vacuum Pipe material: PTFE / PU / Nylon and Polyurethane https://elecena.pl/product/22620739/pc4-m5-bowden-ptfe-connector-3d-printer 2023-02-22 https://elecena.pl/product/22620739/pc4-m5-bowden-ptfe-connector-3d-printer 2025-10-29