Copper Pneumatic Quick Connect Fittings 1/8"–1/2" Thread

Copper Pneumatic Quick Connect Fittings – Reliable, Leak-Free Air Line Connections

Upgrade your pneumatic system with these precision-machined copper quick connect fittings. Designed for fast, tool-free hose connections, these threaded push-in connectors are built to handle a wide range of compressed air applications — from workshop compressors and spray guns to pneumatic tools and industrial equipment. Available in multiple thread sizes (1/8", 1/4", 3/8", 1/2") and hose diameters (4mm, 6mm, 8mm), you can find the exact fit for your setup.

Made in Mainland China.

Key Features

• Solid Copper Construction: Corrosion-resistant and durable for long-lasting performance in demanding environments.
• Multiple Size Options: Compatible with 1/8", 1/4", 3/8", and 1/2" male threads, and 4mm, 6mm, and 8mm PC hose diameters.
• Quick Push-In Design: Effortless one-hand hose insertion and secure locking — no tools required.
• Straight Inline Style: Compact straight-through connector ideal for tight spaces and clean routing.
• Max Pressure Rating: Rated for pressures up to 850 kPa — suitable for most standard compressed air systems.
• Threaded Male Connection: Standard NPT/BSP-style male thread for universal compatibility with compressors, valves, and manifolds.
• Leak-Free Seal: Precision-machined threads ensure a tight, secure fit to minimize air loss.

Specifications

• Material: Copper
• Connection Type: Threaded (Male)
• Thread Sizes Available: 1/8", 1/4", 3/8", 1/2"
• Hose Sizes Available: PC 4mm, 6mm, 8mm
• Max Pressure: <850 kPa
• Style: Straight Push-In Quick Connector
• Origin: Mainland China

Common Applications

• Compressed air compressor lines
• Pneumatic spray guns and paint equipment
• Air tools and impact wrenches
• Industrial automation and factory plumbing
• Workshop air supply distribution

Related Products You May Like

• 0-60MPa Pressure Gauge for Diesel Injector Nozzle Tester
• 1.5L Handheld Steam Cleaner Touch Screen 1800W
• 1-Inch Impact Rocker Sprinkler – Adjustable Rotating Irrigation

For further guidance on safe compressed air systems and pneumatic fittings standards, refer to OSHA's Compressed Air Safety Guidelines.

Learn more: Quick connect fitting

Frequently Asked Questions

Q: What thread standards are these copper pneumatic quick connect fittings compatible with?

A: These fittings feature standard male threads in 1/8", 1/4", 3/8", and 1/2" sizes, compatible with most BSP and NPT-style pneumatic ports found on compressors, air tools, valves, and manifolds. Always verify your system's thread standard before ordering.

Q: What hose sizes do these push-in quick connectors support?

A: The PC push-in end is available in 4mm, 6mm, and 8mm diameters, making them suitable for a wide range of standard pneumatic tubing used in workshops, industrial equipment, and air supply lines.

Q: What is the maximum pressure these fittings can handle?

A: These copper quick connect fittings are rated for pressures up to 850 kPa (approximately 123 PSI), which covers the operating range of most standard workshop air compressors and pneumatic tools.

Q: Are these fittings suitable for use with air compressors?

A: Yes. These fittings are ideal for connecting hoses and components in compressed air systems, including workshop compressors, spray guns, and pneumatic tools. The solid copper construction ensures durability and resistance to corrosion in high-use environments.