Du-Bro Rigging Couplers, 4-40 (DUB618)
$5.45
Skip to product information
In Stock
Du-Bro Rigging Couplers, 4-40 (DUB618)
$5.45
In Stock
Arrives
Free shipping on orders $99+.
Pick up today in Cumming, usually ready in 2 hours.
Steel Construction
Durable heavy duty hardware
Precision Threading
Fits standard kwik links
Versatile Linkage
Ideal for pull pull systems
Precision Linkage HardwareReliable Connection For RC Models
Upgrade your control systems with the authentic Du-Bro 4-40 Steel Threaded Couplers. Designed to thread seamlessly into Du-Bro steel Kwik-Links, these RC airplane hardware components offer dependable strength for custom pushrod and cable control setups.
Heavy Duty Control SolutionsEngineered For Peak Hardware Performance
Engineered for maximum reliability, the Du-Bro 4-40 Steel Threaded Couplers are an essential component for high-stress applications such as flying wires, brace wires, and cable linkage systems. Measuring 7/8 inches (22.2mm) long with a precision 4-40 thread and a 0.050 inch (1.2mm) eye, these high-quality steel couplers ensure rock-solid structural integrity for your RC scale aircraft and custom mechanical projects.
Hardware SpecificationsExact Technical Measurements And Details
Part Type
Linkage Threaded Couplers
Material
Steel
Thread Size
4-40
Eye Hole Diameter
.050" / 1.2mm
Length
7/8" / 22.2mm
Placement/Position
Control linkages and support wires
Compatible Vehicles
Universal RC Aircraft & Scale Models
Key Hardware FeaturesBuilt For Strong Secure Connections
ThreadingPrecision 4-40 threads for standard hardware
CompatibilityDesigned for Du-Bro steel Kwik-Links
MaterialHigh-strength steel construction
ApplicationsIdeal for cable controls and flying wires
Eye Hole0.050 in / 1.2 mm wire attachment aperture
Overall Length7/8 in / 22.2 mm compact design
Frequently Asked QuestionsEverything you need to know
What are Du-Bro 4-40 Steel Threaded Couplers used for?
Du-Bro 4-40 Steel Threaded Couplers are designed for connecting pull-pull cable systems, flying support wires, and custom mechanical control linkages on RC aircraft and scale models.
Which linkages are compatible with Du-Bro 4-40 Steel Threaded Couplers?
They are specifically threaded to fit seamlessly into 4-40 size Du-Bro steel Kwik-Links and accept .050 wire through the eyelet.
Are Du-Bro 4-40 Steel Threaded Couplers durable enough for high-stress setups?
Yes, they are manufactured from solid steel to withstand high tension loads and mechanical stress during operation.
Customers Also Bought
No related products found.