Pneumatic Straight Male Stud Push-to-Connect Fitting | PC4–PC12 × M5–M16

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Pneumatic Straight Male Stud Push-to-Connect Fitting | PC4–PC12 × M5–M16

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Size: PC4-M5*0.75

Pack Size(pcs): 1

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$1.75 USD

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In stock (500 units), ready to be shipped

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Pneumatic Straight Male Stud Push-to-Connect Fitting — Instant Air Line Connection for PC4 to PC12 Tubing

If you've ever dealt with a leaking air line caused by a loose or mismatched fitting, you know how quickly it can bring a pneumatic system to a halt. Whether you're building a workshop compressor setup, maintaining industrial automation equipment, or assembling a DIY pneumatic circuit, having the right push-to-connect fitting on hand makes all the difference. These straight male stud fittings are designed for technicians, engineers, and serious DIYers who need a reliable, tool-free tube connection every time.

Each fitting consists of a straight male stud body with a push-to-connect collet on one end and a metric male thread on the other. Available in tube outer diameters from PC4 (4 mm / ≈5/32") through PC12 (12 mm / ≈1/2"), and thread sizes from M5×0.75 through M16×2. The body is typically constructed from nickel-plated brass or high-strength engineered polymer with a stainless steel internal collet for secure tube grip. Select your tube OD and thread size from the variant options above.

These push-fit air fittings are well suited for connecting pneumatic tubing to solenoid valves, air cylinders, manifold blocks, and flow control valves in both workshop and light industrial settings. Common applications include compressed air distribution lines, pneumatic actuator circuits, and inline air tool connections where a straight male stud push-fit connector is needed for a clean, compact installation.

🔵 Compatibility Note: Thread size must match your equipment port exactly. These fittings use standard ISO metric threads (M5–M16) and are not compatible with BSP or NPT ports without an adapter. Tube OD must match the PC size selected.

⚠️ Before You Order: Measure your tube outer diameter with calipers and verify your port thread size and pitch using a thread gauge or equipment manual. If you are unsure, contact us to confirm before purchasing.

✅ Key Features of These Straight Male Stud Push-to-Connect Air Fittings

🔧Tool-Free Tube Insertion — The push-to-connect collet grips the tube instantly on insertion, eliminating the need for clamps, ferrules, or crimping tools during assembly.
📐Wide Size Range — Available in PC4, PC6, PC8, PC10, and PC12 tube OD combined with M5 through M16 metric thread sizes, covering the most common pneumatic line configurations.
🔩Metric Male Stud Thread — Standard ISO metric threads with correct pitch per size (e.g., M8×1.25, M10×1.5) ensure a secure, leak-resistant fit into valve and cylinder ports.
💧Airtight Collet Design — The internal stainless steel gripper collet maintains a secure seal under working pressure, reducing the risk of air leaks in push-fit pneumatic tubing connections.
⚡Fast Disconnect for Maintenance — Tubes can be released quickly by pressing the collet ring, making it straightforward to reconfigure or service pneumatic circuits without cutting lines.
📦Flexible Pack Sizes — Available in packs of 1, 2, 5, or 10 pieces so you can order exactly what you need for a single repair or a larger installation project.

📐 Technical Specifications — Straight Male Stud Push-to-Connect Pneumatic Fitting

Fitting Type	Straight Male Stud Push-to-Connect
Tube OD Options	PC4 (4 mm / ≈5/32"), PC6 (6 mm / ≈1/4"), PC8 (8 mm / ≈5/16"), PC10 (10 mm / ≈3/8"), PC12 (12 mm / ≈1/2")
Thread Size Options	M5×0.75, M6×1, M8×1, M8×1.25, M10×1, M10×1.5, M12×1.75, M14×1.5, M16×2
Thread Standard	ISO Metric (not BSP / not NPT)
Body Material	See variant options (typically nickel-plated brass or engineered polymer)
Collet Material	Stainless steel (typically)
Max Working Pressure	Contact us to confirm for your specific variant
Compatible Tube Types	Polyurethane (PU), Nylon (PA) pneumatic tubing — see variant options
Connection Method	Push-to-connect (collet grip); male stud end requires wrench tightening
Pack Size Options	1 pc, 2 pcs, 5 pcs, 10 pcs
Application	Pneumatic air lines, solenoid valves, cylinders, manifolds
Ships From	US warehouse

❓ Frequently Asked Questions

How do I choose the right tube size (PC4, PC6, PC8, PC10, PC12)?

The PC number refers to the outer diameter (OD) of the pneumatic tubing you are connecting:

PC4 = 4 mm (≈5/32") OD
PC6 = 6 mm (≈1/4") OD
PC8 = 8 mm (≈5/16") OD
PC10 = 10 mm (≈3/8") OD
PC12 = 12 mm (≈1/2") OD

Measure your existing tube OD with calipers before ordering. Using the wrong size will generally result in air leaks or the tube not seating properly in the collet.

How do I choose the correct thread size (M5, M6, M8, M10, M12, M14, M16)?

Match the thread size to the port on your valve, cylinder, or manifold. The format is M[diameter]×[pitch] — for example, M8×1.25 means an 8 mm diameter thread with a 1.25 mm pitch. Check your equipment's documentation or use a thread gauge to confirm before ordering. If unsure, contact us to confirm the correct size.

What is the maximum working pressure these fittings can handle?

Pneumatic push-to-connect fittings of this type are generally rated for working pressures up to approximately 150 PSI (≈10 bar) when used with compatible polyurethane or nylon tubing. Actual ratings depend on tube material, temperature, and the specific variant. Contact us to confirm specifications for your application.

Can these fittings be used outdoors or in humid environments?

These fittings typically feature a nickel-plated brass or engineered polymer body with a stainless steel collet, which provides good resistance to moisture and mild corrosion in most workshop environments. For prolonged outdoor exposure or high-humidity conditions, we recommend verifying the material finish with us before use. They are not generally recommended for direct immersion in liquids.

Are these fittings compatible with standard metric pneumatic threads?

Yes. The male stud thread follows standard ISO metric thread specifications (M5 through M16). They are compatible with most pneumatic valves, cylinders, and manifolds that use metric ports. They are not compatible with BSP (British Standard Pipe) or NPT (National Pipe Thread) ports without a separate adapter.

Do I need any tools or sealant to install these fittings?

The push-to-connect collet mechanism requires no tools for tube insertion — simply push the tube in until it seats fully. For the threaded male stud end, use a wrench to tighten into the port. PTFE thread tape is generally recommended on the male threads to ensure an airtight seal, especially on metal-to-metal connections.

How do I release the tube from a push-to-connect fitting?

To release the tube, depressurize the line first, then press the collet ring inward toward the fitting body while simultaneously pulling the tube out. Do not pull the tube without pressing the collet — this can damage the internal gripper teeth and compromise the fitting's ability to seal on reinstallation.

🛒 Select your size and pack quantity above, then add to cart — ships from our US warehouse.

Pneumatic Straight Male Stud Push-to-Connect Fitting | PC4–PC12 × M5–M16

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Description

Pneumatic Straight Male Stud Push-to-Connect Fitting — Instant Air Line Connection for PC4 to PC12 Tubing

✅ Key Features of These Straight Male Stud Push-to-Connect Air Fittings

📐 Technical Specifications — Straight Male Stud Push-to-Connect Pneumatic Fitting

❓ Frequently Asked Questions

Pneumatic Straight Male Stud Push-to-Connect Fitting | PC4–PC12 × M5–M16

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