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PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)

$6.99
$6.99 $8.04
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Color: 1 Pc
Size: KJH04-M6
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Flight Range: Up to 1,000 meters (3,280 feet)

Maximum Speed: 45 kilometers per hour (28 miles per hour)

For all orders exceeding a value of 100USD shipping is offered for free.

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Variant Variant total Quantity Price Variant total
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
1 Pc / KJH04-M6
1 Pc / KJH04-M6
Sale price
$6.99/ea
Regular price
$8.04
$0.00
Sale price
$6.99/ea
Regular price
$8.04
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
1 Pc / Black PC4-M6
1 Pc / Black PC4-M6
Sale price
$6.99/ea
Regular price
$8.04
$0.00
Sale price
$6.99/ea
Regular price
$8.04
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
1 Pc / Blue PC4-01
1 Pc / Blue PC4-01
Sale price
$6.99/ea
Regular price
$8.04
$0.00
Sale price
$6.99/ea
Regular price
$8.04
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
1 Pc / Black PC4-01
1 Pc / Black PC4-01
Sale price
$6.99/ea
Regular price
$8.04
$0.00
Sale price
$6.99/ea
Regular price
$8.04
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
1 Pc / PC4-M5
1 Pc / PC4-M5
Sale price
$6.99/ea
Regular price
$8.04
$0.00
Sale price
$6.99/ea
Regular price
$8.04
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
1 Pc / Blue PC4-M6
1 Pc / Blue PC4-M6
Sale price
$6.99/ea
Regular price
$8.04
$0.00
Sale price
$6.99/ea
Regular price
$8.04
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
10PCS / Blue PC4-01
10PCS / Blue PC4-01
Sale price
$8.99/ea
Regular price
$10.34
$0.00
Sale price
$8.99/ea
Regular price
$10.34
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
10PCS / Black PC4-01
10PCS / Black PC4-01
Sale price
$9.99/ea
Regular price
$11.49
$0.00
Sale price
$9.99/ea
Regular price
$11.49
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
10PCS / PC4-M5
10PCS / PC4-M5
Sale price
$10.99/ea
Regular price
$13.19
$0.00
Sale price
$10.99/ea
Regular price
$13.19
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
10PCS / Blue PC4-M6
10PCS / Blue PC4-M6
Sale price
$8.99/ea
Regular price
$10.34
$0.00
Sale price
$8.99/ea
Regular price
$10.34
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
5PCS / KJH04-M6
5PCS / KJH04-M6
Sale price
$8.99/ea
Regular price
$10.34
$0.00
Sale price
$8.99/ea
Regular price
$10.34
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
5PCS / Black PC4-M6
5PCS / Black PC4-M6
Sale price
$7.99/ea
Regular price
$9.19
$0.00
Sale price
$7.99/ea
Regular price
$9.19
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
5PCS / Blue PC4-01
5PCS / Blue PC4-01
Sale price
$7.99/ea
Regular price
$9.19
$0.00
Sale price
$7.99/ea
Regular price
$9.19
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
5PCS / Black PC4-01
5PCS / Black PC4-01
Sale price
$7.99/ea
Regular price
$9.19
$0.00
Sale price
$7.99/ea
Regular price
$9.19
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
5PCS / PC4-M5
5PCS / PC4-M5
Sale price
$8.99/ea
Regular price
$10.34
$0.00
Sale price
$8.99/ea
Regular price
$10.34
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
5PCS / Blue PC4-M6
5PCS / Blue PC4-M6
Sale price
$7.99/ea
Regular price
$9.19
$0.00
Sale price
$7.99/ea
Regular price
$9.19
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
10PCS / KJH04-M6
10PCS / KJH04-M6
Sale price
$12.99/ea
Regular price
$15.59
$0.00
Sale price
$12.99/ea
Regular price
$15.59
$0.00
PTFE Tube Filament Feed Fittings for 3D Printers - 4mm Bore Pneumatic Couplers (M3, M5, M6 Thread Options)
10PCS / Black PC4-M6
10PCS / Black PC4-M6
Sale price
$9.99/ea
Regular price
$11.49
$0.00
Sale price
$9.99/ea
Regular price
$11.49
$0.00

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Product Description

Smooth, reliable filament feeding for Bowden and direct-drive setups. These pneumatic feed fittings secure 4 mm PTFE tubing for consistent filament movement, easy installation, and quick maintenance. Ideal for 3D printer extruders, hotend guides, and filament feed systems.

Specifications:

  • Item Type: Pneumatic Connectors
  • Compatible Tube Bore: 4 mm (0.16 in)
  • Thread Sizes: 3 mm (≈0.12 in), 6 mm (≈0.24 in), 10 mm (≈0.39 in)
  • Height (example fitting): 18.5 mm (0.73 in)
  • Materials: Copper, stainless steel, metal and plastic components
  • Colors: Blue, Black
  • Use: Filament feed coupler for PTFE tube on 3D printers, compatible with Bowden and PTFE-lined hotend setups
  • Installation: Connect by threading the quick fitting into the mating port
  • Removal: Press and hold the blue or black collet end and pull out the PTFE tube

Why choose these fittings? These pneumatic couplers offer a secure grip on 4 mm PTFE tubing, low-friction filament path, and fast push-fit installation for maintenance or upgrades. Durable metal and plastic construction ensures reliable performance in everyday 3D printing use.

#3DPrinting #PTFETube #FanzyMarket

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