10Pcs Pneumatic PC Air Hose Quick Connectors 4-12mm to Thread Fittings

Upgrade your pneumatic air system with this 10-Piece Set of Pneumatic PC Quick-Connect Hose Fittings! Precision-engineered with nickel-plated brass threads and high-durability push-to-connect collets, these straight fittings enable instant, tool-free connection between flexible air tubing and threaded pneumatic ports. Designed for leak-proof performance under high pressure, they feature stainless steel lock claws and internal NBR seals that grip tubing tightly while allowing 360-degree rotation after installation. Ideal for air compressors, automation machinery, 3D printers, and industrial air lines.

Key Features

• Tool-free push-to-connect design effortless tubing insertion and quick-release collar allow instant line hookups and disconnects

• Leak-proof sealing & locking claw stainless steel lock claws firm grip tubing while internal O-rings prevent pressure leaks up to 1.0 MPa

• 360-degree post-install rotation fitting body swivels smoothly after threading into ports to prevent hose twisting and stress

• Durable nickel-plated brass threads pre-coated thread sealant provides superior corrosion resistance and airtight port engagement

• Wide tubing & thread size options supports 4mm, 6mm, 8mm, 10mm, and 12mm hose OD to 1/8", 1/4", 3/8", and 1/2" NPT/BSP threads

Why Choose Our Pneumatic PC Quick Connectors

Unlike lower-grade plastic fittings that crack under pressure or slip under vibration, these metal-threaded fittings provide robust mechanical strength. Their integrated thread sealant eliminates the need for messy Teflon tape, ensuring clean, leak-free air connections right out of the box.

Perfect For

• Industrial automation, pneumatic air tools, solenoid valves, and cylinder plumbing

• Air compressor lines, workshop air distribution, and automated assembly machinery

• 3D printer PTFE Bowden tube fittings, laser engravers, and DIY pneumatic projects

Specifications

• Design: Pneumatic PC Straight Push-to-Connect Threaded Fittings (10-Piece Pack)

• Material: Nickel-Plated Brass & Durable Composite Body

• Tubing Outer Diameters: 4mm, 6mm, 8mm, 10mm, 12mm

• Thread Sizes: 1/8", 1/4", 3/8", 1/2" Male Thread

• Max Operating Pressure: 0–1.0 MPa (145 PSI)

• Ideal Uses: Air Compressor Lines, Pneumatic Automation, 3D Printers

Ensure leak-free pneumatic performance—claim your 10-piece PC quick-connect fitting set today.