PC4-M10 4MM Pneumatic Coupler – Straight Fitting for PTFE Bowden Tube in 3D Printers

The PC4-M10 4MM Pneumatic Coupler – Straight Fitting for PTFE Bowden Tube in 3D Printers is a reliable push-to-connect fitting designed specifically for 4mm OD Bowden-style PTFE tubing. Widely used in 3D printers, this coupler allows easy and secure attachment of filament guide tubes to extruders and hot ends, maintaining consistent feeding and print quality.

Its M10 male threading ensures universal compatibility with a wide range of extruder blocks, while the push-lock mechanism holds the PTFE tube firmly in place. Made from high-strength nickel-plated brass, it offers excellent corrosion resistance, smooth threading, and long-term performance under repeated use. This straight fitting provides a firm grip without tools, making it ideal for 3D printing setups requiring precision and stability.

🔧 Key Features

• High-quality PC4-M10 4MM Pneumatic Coupler for 3D printers
• Compatible with 4mm outer diameter PTFE Bowden tubes
• Standard M10 × 1.0 threading for secure fitting
• Durable nickel-plated brass construction
• Tool-free installation with quick release
• Perfect for extruders, hot ends, and Bowden setups

📐 Technical Specifications

📌 Applications

• 3D printer Bowden extruder systems
• Hot end and cold end filament feeding
• PTFE tubing connections in 3D printing
• Custom 3D printing machine builds
• General pneumatic connections (4mm OD tubing)

💡 Why Choose This Coupler?

The PC4-M10 4MM Pneumatic Coupler ensures a secure and efficient tubing connection, minimizing filament drag and misfeeds. Its sturdy design, ease of use, and excellent material quality make it a must-have component for smooth 3D printing performance.

📦 Package Includes

• 1 × PC4-M10 4MM Pneumatic Coupler – Straight Fitting