Specification Parameters
| Parameter | Details |
|---|---|
| Product Type | Pneumatic Fittings |
| Structure | Mini Round Male Straight |
| Connection | Tube to Thread |
| Thread Type | M3 / M5 / M6 / R1/8 |
| Material | Nickel-Plated Brass |
| Seal Type | O-Ring Seal |
| Operating Fluid | Air, Vacuum |
| Working Pressure | 0 – 1.0 MPa |
| Temperature Range | 0 – 60°C |
| Lock Claw | Stainless Steel |
| Applicable Tubing | PU / Nylon Tube |
Mini round male straight fittings provide compact installation, reliable sealing, and stable performance in precision pneumatic systems.

| Model | ΦD | B | A | M | ΦP |
| POC-C4-M3 | 4 | 19.5 | 3.5 | M3 | 8 |
| POC-C4-M5 | 4 | 17.5 | 3.5 | M5 | 8 |
| POC-C4-01 | 4 | 19.5 | 7 | R1/8 | 10 |
| POC-C6-M3 | 6 | 20 | 3.5 | M3 | 10 |
| POC-C6-M5 | 6 | 18 | 3.5 | M5 | 10 |
| POC-C6-01 | 6 | 18.5 | 7 | R1/8 | 10 |
Key Features
- Ultra-compact round design
- Straight male threaded connection
- Designed for extremely limited installation space
- Nickel-plated brass for durability
- O-ring sealing for leak prevention
- Push-to-connect quick installation
Applications
Mini pneumatic equipment
Used for compact air tube connections in small devices
Precision automation systems
Ideal for micro actuators and compact control units
Air distribution systems
Supports clean and efficient tube routing
Mini valves and cylinders
Perfect for tight installation environments
Vacuum and air systems
Ensures stable sealing and connection
Widely used in miniature pneumatic systems where space-saving and reliable sealing are required.
Product Function
POC-C fittings connect pneumatic tubing to threaded ports in a straight line while maintaining a compact footprint.
Compared to standard PC fittings, POC-C is a mini round compact version, specifically designed for tight spaces and small-scale pneumatic components.
Product Structure & Size Range
- Models: POC-C4-M3 / POC-C4-M5 / POC-C4-M6 / POC-C6-M5 / POC-C6-01
- Tube sizes: 3mm / 4mm / 6mm
- Thread sizes: M3 / M5 / M6 / R1/8
- Straight round male structure
- Internal hex for installation
Why Choose Our Pneumatic Fittings
- Professional manufacturer of POC-C pneumatic fittings
- OEM / ODM customization for mini round male straight fittings
- High-precision compact connector for automation systems
- Durable nickel plated brass fittings with long service life
- O-ring sealing for reliable leak-proof performance
- Fast delivery and global B2B supply capability
FAQ
Q1: What is a POC-C pneumatic fitting?
It is a mini round male straight push-to-connect fitting designed for compact tube-to-thread connections.
Q2: What is the advantage of POC-C fittings?
They offer ultra-compact size, making them ideal for tight installation spaces.
Q3: What is the difference between PC and POC-C fittings?
PC fittings are standard size, while POC-C fittings are mini compact versions.
Q4: Does POC-C include an O-ring seal?
Yes, it uses an O-ring sealing structure for improved connection reliability.
Q5: What tubing is compatible with POC-C fittings?
It is suitable for PU tubing and nylon tubing.
Q6: Can POC-C fittings be customized?
Yes, OEM and ODM customization is available.
CTA
Looking for compact POC-C mini round male straight push-to-connect fittings?
Contact us today for OEM/ODM solutions, bulk pricing, and fast delivery.


