2/Lots 3D printer accessory for Reprap Bowden Extruder Connector One-touch fittings 4*2 mm M6 threaded for 1.75 mm filament

The BIQU Bowden Extruder One-Touch Fittings are high-quality pneumatic quick connectors designed specifically for Reprap-style Bowden extruder systems. These push-to-connect fittings provide a secure, leak-free connection between your PTFE Bowden tube and the extruder or hotend.

Key Features:

• One-Touch Push-Fit Design — Easy and fast installation/removal without tools.
• M6 Threaded — Standard M6 thread (3mm length) for direct compatibility with most Bowden extruders and hotends.
• 4*2mm Specification — Fits 4mm OD / 2mm ID PTFE tubing, optimized for 1.75mm filament.
• Durable Brass Material — Copper alloy construction ensures long-term reliability and heat resistance.
• Compact Size — Only 18.5mm height for minimal space usage in tight printer assemblies.

Benefits:

• Reliable filament path with no slippage or air leaks
• Quick tube changes during maintenance or upgrades
• Compatible with popular Bowden setups on Ender 3, CR-10, Voron, and other Reprap-based 3D printers
• Affordable way to replace worn or damaged pneumatic fittings

Technical Specifications:

• Type: PC4-M6 style pneumatic fitting (4-2mm)
• Filament: 1.75mm
• Tube Size: 4mm outer diameter
• Thread: M6
• Material: Brass
• Height: 18.5mm
• Package: 2 pieces per lot

Ideal for:

• Bowden extruder upgrades and repairs
• Replacing old or leaking connectors on Creality, BIQU, and other FDM 3D printers
• Builders maintaining or modifying PTFE tube systems