Du-Bro 4-40 Safety Lock Kwik Link (2 pc) (DUB817)
$3.80
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In Stock
Du-Bro 4-40 Safety Lock Kwik Link (2 pc) (DUB817)
$3.80
In Stock
Arrives
Free shipping on orders $99+.
Pick up today in Cumming, usually ready in 2 hours.
Secure Lock
Trac system prevents loss
Slop Free Fit
Self tapping precision threads
Lightweight Steel
Ten percent lighter weight
Precision Linkage HardwareUltimate clevis performance and reliability
The Safety Lock Kwik Link 4-40 is an ingenious control linkage solution designed to deliver ultimate reliability for RC airplane control horns and servo arms. Featuring a unique self-tapping design and brass-plated steel components, this RC clevis ensures slop-free operation and maximum strength. Perfect for upgrading standard hardware on ARF models, it offers dependable control surface connection in a lightweight package.
Engineered Linkage SecurityMaximum strength for model aircraft
Upgrade your aircraft's control surface linkage with the high-performance Safety Lock Kwik Link 4-40. Engineered with a square shank for effortless installation and adjustment, this heavy-duty RC clevis features a brass-plated stepped steel pin that eliminates binding on servo arms and control horns. The integrated safety lock slides smoothly along a built-in track system into a secure pin groove, ensuring that lock components are never misplaced while keeping your RC plane linkage firmly locked in place during high-stress maneuvers.
Hardware SpecificationsDetailed technical dimensions and details
Compatible Vehicles
Universal RC Airplanes and Control Linkages
Part Type
Safety Lock Clevis
Material
Brass-Plated Steel
Placement/Position
Control Horn / Servo Arm Connection
Dimensions
4-40 Thread Size
Weight
10% Lighter than Steel Clevis
Key Hardware FeaturesInnovative design for seamless installation
Self-Tapping ThreadsEliminates slop on pushrod threads for precise response
Square ShankFacilitates easy wrench installation and fine adjustments
Stepped Steel PinBrass-plated design prevents binding on control horns
Integrated Safety LockSlides on built-in track system securely into pin groove
Lightweight ConstructionWeighs 10% less than standard steel clevises
Clear IdentificationThread size stamped directly onto the safety lock
Frequently Asked QuestionsEverything you need to know
What is the main benefit of using the Safety Lock Kwik Link 4-40 on RC aircraft?
The Safety Lock Kwik Link 4-40 provides slop-free linkage control with its self-tapping design and features an integrated safety lock clip that prevents accidental disconnection from control horns or servo arms during flight.
How many pieces are included with the Safety Lock Kwik Link 4-40 package?
Each package of the Safety Lock Kwik Link 4-40 contains 2 complete clevis units with integrated safety locks.
Is the Safety Lock Kwik Link 4-40 suitable for ARF model aircraft upgrades?
Yes, the Safety Lock Kwik Link 4-40 is ideal for upgrading stock linkage components on Almost-Ready-to-Fly (ARF) RC airplanes, offering superior strength and lightweight construction.
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