Du-Bro Swivel Ball Link 2-56 for 4-40 Rod (DUB369)
$3.15
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In Stock
Du-Bro Swivel Ball Link 2-56 for 4-40 Rod (DUB369)
$3.15
In Stock
Arrives
Free shipping on orders $99+.
Pick up today in Cumming, usually ready in 2 hours.
Smooth Operation
Burnished brass swivel ball
Complete Hardware
Includes screw nut and shim
Precision Fit
Designed for 4 40 rods
Precision Control LinkagesSmooth slop free movement for RC models
The Swivel Ball Link 2-56 for 4-40 Rod delivers exceptionally smooth steering and control linkage operation for your RC model. Engineered for precision performance, this heavy-duty hardware component eliminates binding in critical linkages. It provides reliable response for custom RC car setups and RC airplane control surfaces.
Heavy Duty Control HardwareEngineered for high stress linkage applications
Upgrade your model control systems with the Swivel Ball Link 2-56 for 4-40 Rod. Featuring a premium burnished brass swivel ball, this linkage component ensures ultra-fluid movement and durability under mechanical load. Each package comes fully equipped with a socket head cap screw, brass shim, and hex nut, offering an all-in-one hardware solution for high-precision throttle, steering, or elevator linkage builds.
Hardware SpecificationsDetailed compatibility and dimensions
Part Type
Swivel Ball Link
Compatible Vehicles
Universal RC Cars, Planes, and Boats
Material
Burnished Brass & Steel
Thread Size
2-56 Screw / 4-40 Rod Thread
Placement/Position
Control Surface / Steering Linkage
Dimensions
Fits 4-40 Rods
Weight
Standard Hardware Weight
Key Hardware HighlightsDesigned for smooth bind free control
Burnished Brass BallDelivers ultra-smooth rotation and reduced mechanical wear
Complete Hardware PackIncludes socket head cap screw, brass shim, and hex nut
Precise ThreadingTailored specifically to fit 4-40 pushrods and 2-56 hardware
High Load CapacityPrevents binding under heavy steering or control surface loads
Package QuantitySupplied as 1 complete link assembly per package
Frequently Asked QuestionsEverything you need to know
What hardware is included with the Swivel Ball Link 2-56 for 4-40 Rod?
Each package of the Swivel Ball Link 2-56 for 4-40 Rod includes one complete ball link assembly, a socket head cap screw, a brass shim, and a matching hex nut.
What pushrod size is compatible with the Swivel Ball Link 2-56 for 4-40 Rod?
The Swivel Ball Link 2-56 for 4-40 Rod is designed to thread onto a standard 4-40 threaded pushrod and utilizes a 2-56 screw for attachment to your servo arm or control horn.
Is the Swivel Ball Link 2-56 for 4-40 Rod suitable for RC airplanes and cars?
Yes, the Swivel Ball Link 2-56 for 4-40 Rod is versatile control hardware that works exceptionally well for RC car steering linkages, RC airplane control surfaces, and RC boat throttle setups.
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