Dubro 4-40 Heavy Duty Ball Links RC Linkage - DUB900

The Dubro DUB900 4-40 heavy duty ball links are RC linkage hardware designed for high-load control surface and steering connections on RC aircraft and other models. Built around a 4-40 thread, these ball links handle the extra stress of larger servos and bigger control surfaces where a standard link might flex or wear too quickly. If you're setting up an aileron, elevator, rudder, or throttle linkage that needs a clean, slop-free connection, these heavy duty ball links give you a secure, repeatable pivot point.

Key Features

• 4-40 threaded ball links for direct fitment to 4-40 pushrods and hardware
• Heavy duty construction suited to larger servos and higher-load control surfaces
• Snap-fit socket holds the ball securely while still pivoting freely
• Provides a low-slop linkage connection for precise control response
• Compatible with common 4-40 RC linkage components and pushrod systems

What's Included

• Dubro 4-40 heavy duty ball links (DUB900)

What You Need

• 4-40 threaded pushrods or threaded rod to match
• Matching ball or hardware to mate with the socket where required
• Threadlock recommended on threaded connections