Overview
The Du-Bro 4-40 Heavy Duty Ball Links are oversized linkage components engineered for high-stress applications on RC airplanes, helicopters, and surface vehicles. The reinforced ball-and-socket design provides smooth, slop-free movement under heavy load — perfect for steering, throttle, and large control surfaces.
Sold as a 2-pack with all hardware needed for installation.
Key Features
- Heavy-duty oversized construction
- Designed for 4-40 threaded rods
- Smooth ball-and-socket movement
- Includes mounting hardware
- 2 ball links per package
Performance Benefits
- Stronger than standard 4-40 ball links
- Reliable performance under heavy load
- Slop-free linkage operation
- Long-lasting durability
Usage Notes
- Ideal for large-scale RC airplanes and surface vehicles
- Use with 4-40 threaded pushrods
- Tighten hardware securely on installation
Technical Specs
- Thread Size: 4-40
- Quantity: 2 per package
What's Included
- (2) Du-Bro 4-40 Heavy Duty Ball Links
- Mounting hardware
Summary
- Heavy-duty 4-40 ball links
- Reinforced for high-stress use
- 2-pack with hardware
- Slop-free performance
