3D Printer Pneumatic Connectors PC4-01 1.75mm PTFE Tube quick coupler j-head Fittings Reprap Hotend Fit
3D Printer Pneumatic Connectors PC4-01 1.75mm PTFE Tube quick coupler j-head Fittings Reprap Hotend Fit
Brand Name: BIQU
Model Number: Pneumatic Connectors
Name: Pneumatic Connectors
Usage: For 3D printer part
Stock: In stock
Condition: New 100%
Place of region: Guangdong,China(Mainland)
Material: stainless steel
PTFE tubing OD: 4mm
Thread: 6mm
The BIQU PC4-01 Pneumatic Connectors are high-quality stainless steel quick couplers designed for reliable filament feeding in Bowden-style 3D printer setups. These one-touch push-fit fittings securely connect 4mm OD PTFE tubing (2mm ID) to hotends and extruders, ensuring a leak-free and smooth filament path for 1.75mm filament.
Key Features:
- Stainless Steel Construction — Corrosion-resistant and highly durable for long-term use.
- PC4-01 Specification — Standard pneumatic fitting with M6 thread (or equivalent) for easy installation on most hotends.
- Quick One-Touch Design — Push-to-connect and release for fast PTFE tube changes without tools.
- Precise Fit — Optimized for 4mm outer diameter PTFE Bowden tubes and 1.75mm filament.
- Low Friction — Maintains smooth filament movement and reduces clogs.
Widely use for connecting Bowden extruder and PETF tube








Original: $3.19
-65%$3.19
$1.12
Description
Brand Name: BIQU
Model Number: Pneumatic Connectors
Name: Pneumatic Connectors
Usage: For 3D printer part
Stock: In stock
Condition: New 100%
Place of region: Guangdong,China(Mainland)
Material: stainless steel
PTFE tubing OD: 4mm
Thread: 6mm
The BIQU PC4-01 Pneumatic Connectors are high-quality stainless steel quick couplers designed for reliable filament feeding in Bowden-style 3D printer setups. These one-touch push-fit fittings securely connect 4mm OD PTFE tubing (2mm ID) to hotends and extruders, ensuring a leak-free and smooth filament path for 1.75mm filament.
Key Features:
- Stainless Steel Construction — Corrosion-resistant and highly durable for long-term use.
- PC4-01 Specification — Standard pneumatic fitting with M6 thread (or equivalent) for easy installation on most hotends.
- Quick One-Touch Design — Push-to-connect and release for fast PTFE tube changes without tools.
- Precise Fit — Optimized for 4mm outer diameter PTFE Bowden tubes and 1.75mm filament.
- Low Friction — Maintains smooth filament movement and reduces clogs.
Widely use for connecting Bowden extruder and PETF tube


























