What size oil pipe do these connectors fit?

These M5 connectors are designed for micro hydraulic tubing that has a 4mm outer diameter and a 2.5mm inner diameter. They're commonly used for RC model hydraulic systems.

What are the connectors made from?

The connectors are machined from brass and then given a bright nickel-plated finish. The brass provides good strength for the M5 thread, and the plating helps prevent corrosion.

How many connectors do I get in a pack?

Each pack contains four of the M5-4mm connectors. This is usually enough to connect a few lines from a pump or valve block to your RC model's hydraulic cylinders.

Hydraulic Coupler | M5-4mm Oil Connector | For RC Model Oil Cylinder

Name: Hydraulic Coupler | M5-4mm Oil Connector | For RC Model Oil Cylinder
Brand: Compel
SKU: QUIC-00001
Price: 28.95 USD
Availability: InStock
Rating: 4.9 (20 reviews)

Stock #:CMP-04536

SKU:QUIC-00001

Hydraulic Coupler | M5-4mm Oil Connector | For RC Model Oil Cylinder - Image 1

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Questions about this product

What size oil pipe do these connectors fit?: These M5 connectors are designed for micro hydraulic tubing that has a 4mm outer diameter and a 2.5mm inner diameter. They're commonly used for RC model hydraulic systems.
What are the connectors made from?: The connectors are machined from brass and then given a bright nickel-plated finish. The brass provides good strength for the M5 thread, and the plating helps prevent corrosion.
How many connectors do I get in a pack?: Each pack contains four of the M5-4mm connectors. This is usually enough to connect a few lines from a pump or valve block to your RC model's hydraulic cylinders.

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This M5-4mm hydraulic coupler connects small oil lines in RC models. It's needed for building custom micro hydraulic systems. It lets you link parts like pumps, cylinders, and oil tanks. This creates realistic movement in your RC excavator or construction vehicle. Features and Benefits - M5 Threaded Connection - Screws directly into RC model hydraulic parts. This makes a secure, high-pressure seal. - Fits 4mm Tubing - The nipple end is made for a tight fit on 4mm outer diameter hydraulic lines. - Machined Brass Body - Handles pressure well. It resists corrosion from hydraulic oil. - Small Size - Its compact shape fits into the tight chassis of scale RC models. Applications - Connecting the hydraulic lines for the boom, arm, and bucket on a scale RC excavator. - Putting together a complete micro hydraulic system. This links the pump, valves, and oil tank cylinder. - Upgrading an RC model's standard plastic connectors. It replaces them with more reliable brass hydraulic fittings.

Connector Size: M5-4mm. Power Source: None (Passive Component). Application: Oil Tank, Cylinder, RC Model Parts. Type: Micro Hydraulic Coupler. Hose/Tube Outer Diameter Compatibility: 4mm. Thread Size: M5. Weight per Connector: Approx. 5-15g (estimated for micro size). Material: Metal Alloy (specific alloy not specified, typically brass or stainless steel for hydraulic). Battery/Power Supply: No. Fluid Compatibility: Hydraulic Oil. Operating Pressure: High (suitable for hydraulic systems). Application: Oil Tank, Cylinder, RC Model Parts. Charger Included: No. Connection Type: Threaded (M5) to Barb/Push-to-Connect (4mm). High-Concerned Chemical: None. Is Electric: No Battery. Number of Pieces: 4. Product Type: Micro Hydraulic Oil Connector. Seal Type: O-ring or similar (implied for hydraulic applications). Q: What are the exact dimensions for the thread and the hose barb? A: The connector has a male M5 x 0.8mm thread on one side. The other end is a barb that fits 4mm outer diameter tubing, which usually has a 2.5mm inner diameter.. Q: What are the exact dimensions for the thread and the hose barb? A: The connector has a male M5 x 0.8mm thread on one side. The other end is a barb that fits 4mm outer diameter tubing, which usually has a 2.5mm inner diameter.. Q: What are the exact dimensions for the thread and the hose barb? A: The connector has a male M5 x 0.8mm thread on one side. The other end is a barb that fits 4mm outer diameter tubing, which usually has a 2.5mm inner diameter.. Q: What material are these connectors made of? A: The main body is made of brass, which works well with hydraulic oil and resists corrosion. The set includes the connector body, a compression nut, and an olive (ferrule) for a secure seal.. Q: What material are these connectors made of? A: The main body is made of brass, which works well with hydraulic oil and resists corrosion. The set includes the connector body, a compression nut, and an olive (ferrule) for a secure seal.. Q: What material are these connectors made of? A: The main body is made of brass, which works well with hydraulic oil and resists corrosion. The set includes the connector body, a compression nut, and an olive (ferrule) for a secure seal.. Q: Is this a quick-disconnect hydraulic coupler? A: No, this is a compression-style fitting, not a quick-disconnect type. You tighten the nut to create a semi-permanent, leak-free connection for small-scale hydraulic systems like those in RC models.. Q: Is this a quick-disconnect hydraulic coupler? A: No, this is a compression-style fitting, not a quick-disconnect type. You tighten the nut to create a semi-permanent, leak-free connection for small-scale hydraulic systems like those in RC models.. Q: Is this a quick-disconnect hydraulic coupler? A: No, this is a compression-style fitting, not a quick-disconnect type. You tighten the nut to create a semi-permanent, leak-free connection for small-scale hydraulic systems like those in RC models.. Q: What is your warranty if the threads are machined incorrectly? A: We check that all threads meet the M5 standard. If you happen to receive one with a manufacturing defect, just contact us within 30 days for a replacement.. Q: What is your warranty if the threads are machined incorrectly? A: We check that all threads meet the M5 standard. If you happen to receive one with a manufacturing defect, just contact us within 30 days for a replacement.. Q: What is your warranty if the threads are machined incorrectly? A: We check that all threads meet the M5 standard. If you happen to receive one with a manufacturing defect, just contact us within 30 days for a replacement.. Q: Why are these sold in a pack of four? A: They come in a 4-pack, which is a convenient quantity for building out a small RC hydraulic circuit. It gives you enough connectors for a tank, pump, and a cylinder or two at a better value than buying them individually.. Q: Why are these sold in a pack of four? A: They come in a 4-pack, which is a convenient quantity for building out a small RC hydraulic circuit. It gives you enough connectors for a tank, pump, and a cylinder or two at a better value than buying them individually.. Q: Why are these sold in a pack of four? A: They come in a 4-pack, which is a convenient quantity for building out a small RC hydraulic circuit. It gives you enough connectors for a tank, pump, and a cylinder or two at a better value than buying them individually..

Hydraulic Coupler | M5-4mm Oil Connector | For RC Model Oil Cylinder

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