Overview

The RCDrone CNC Aluminum Automatic Folding Arm Joint is designed for agricultural drones, plant protection UAVs, and industrial multirotor platforms.

This advanced folding arm connector provides a compact and reliable solution for UAV transportation and storage. The automatic folding structure allows drone arms to be quickly folded while maintaining strong mechanical stability during flight.

Manufactured from high-quality aluminum alloy with CNC machining, this folding hinge provides accurate tube positioning, strong locking force, and excellent durability for professional UAV applications.

Available in multiple sizes including Z16, Z22, Z25, Z28, Z30, and Z35, it supports different carbon fiber tube arm designs.

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Key Features

CNC Machined Aluminum Alloy Structure

Made from premium aluminum alloy with CNC precision machining.

Advantages:

• High strength
• Lightweight design
• Precise dimensions
• Excellent corrosion resistance
• Professional UAV-grade durability

Automatic Folding Arm Mechanism

The integrated folding structure allows UAV arms to:

• Fold quickly
• Reduce transportation size
• Improve portability
• Save storage space

Ideal for agricultural drones that require frequent field transportation.

Adjustable Folding Angle Design

Available versions include:

• 5° Upward Folding Version
• 0° Straight Version

The 5° version provides optimized arm positioning for specific UAV frame designs.

Strong Carbon Fiber Tube Locking

Designed for different carbon fiber arm tubes with:

• Secure clamp structure
• Strong locking force
• Reduced arm movement
• Improved flight stability

Multiple Tube Diameter Options

Available models:

• Z16
• Z22
• Z25
• Z28
• Z30
• Z35

Compatible with different UAV carbon fiber tube sizes.

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Specifications

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Size Options

Z16 Folding Arm Joint

Dimensions

• Tube Diameter: 16mm
• Bottom Width: 18mm
• Mounting Width: 22mm
• Side Height: 20mm
• Tube Hole Diameter: Ø26mm
• Thread:
  • M2.5

Weight

• Approx. 40g

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Z22 Folding Arm Joint

Dimensions

• Tube Diameter: 22mm
• Bottom Width: 22mm
• Side Height: 25mm
• Tube Hole Diameter: Ø26mm
• Mounting Hole:
  • M2.5

Additional Dimension

• Tube position height: 15mm

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Z25 Folding Arm Joint

Dimensions

• Tube Diameter: 25mm
• Bottom Width: 25mm
• Side Height: 30mm
• Tube Hole Diameter: Ø26mm
• Mounting Hole:
  • M3

Additional Dimension

• Tube position height: 16mm

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Z30 Folding Arm Joint

Dimensions

• Tube Diameter: 30mm
• Bottom Width: 28mm
• Side Height: 30mm
• Tube Hole Diameter: Ø31mm
• Mounting Hole:
  • M3

Additional Dimension

• Tube position height: 16mm

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Z35 Folding Arm Joint

Dimensions

• Tube Diameter: 35mm

Weight

• Approx. 42g

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Additional Model Dimensions

Z40 V3 Model

Dimensions:

• Total Length: 132mm
• Tube Section Length: 59mm
• Tube Diameter: 28mm
• Tube Section Depth: 50mm
• Folding Section Height: 40mm
• Mounting Thread:
  • M4

Z40 V3 Compact Model

Dimensions:

• Total Length: 128mm
• Tube Section Length: 56mm
• Tube Diameter: 28mm
• Folding Section Height: 40mm
• Width: 35mm
• Mounting Thread:
  • M4

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Applications

Suitable for:

• Agricultural Spraying Drones
• Plant Protection UAVs
• Heavy Lift Multirotor Drones
• Industrial UAV Platforms
• Large Carbon Fiber Drone Frames
• Foldable Drone Arm Systems
• Professional UAV Manufacturing

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Package Includes

• 1 × RCDrone Automatic Folding Arm Joint

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Notes

• Please select the correct model according to your carbon fiber tube diameter.
• Confirm arm tube specifications before purchase.
• Different models have different mounting dimensions.
• Designed for professional UAV frame assembly.

Details