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M3 Metal Clevis Linkage Rod Clamp Iron Chuck for RC Airplane & Robotics

₹129.00 ₹ 109.32 + 19.68 GST
In stock
SKU
PRO5577

1-3 Days Express Shipping in India Available

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QTYUnit Price(Inlc. GST)
25+ ₹127.07 ₹ 107.69 + 19.38 GST
50+ ₹125.78 ₹ 106.59 + 19.19 GST
75+ ₹123.84 ₹ 104.95 + 18.89 GST
100+ ₹109.65 ₹ 92.92 + 16.73 GST

Contact us for Higher Quantities.

Contact us for Higher Quantities

Durable M3 threaded metal clevis for high-precision control surface linkages in RC planes, cars, and robotic steering mechanisms.

The M3 Clevis Wire Trolley (Iron Chuck) is designed to eliminate the play found in standard plastic connectors, providing a rigid, high-tension bond between your servos and control surfaces. Whether you're maneuvering a high-speed glider or a precision steering rack, this metal clamp ensures that every degree of servo rotation translates into exact physical movement.

The Probots Quality Advantage is built into every thread. Unlike generic alloy parts that can strip under load, our M3 Clevis is Probots™ Lab Verified  to guarantee that the iron-zinc plating and internal threading meet rigorous mechanical tolerances. We understand that these small components are the "sinews" of your build, which is why they undergo a visual inspection to ensure the locking pins are perfectly aligned and have the correct spring tension to stay secure during high-vibration maneuvers.

Engineering reliability starts with the right materials. Constructed from high-strength iron with a corrosion-resistant finish, these chucks are designed for longevity in both indoor and outdoor environments. To protect the integrity of the threads and the delicate locking arms during transit, this product is handled via Probots™ Secure-Transit. This ensures that when you receive your hardware, the pins are straight and the threads are clean, allowing for an immediate, hassle-free installation into your M3-threaded pushrod system.

Unlock professional-grade control with a simple hardware upgrade. By moving away from primitive Z-bends and plastic snap-links, you gain the ability to perform micro-adjustments to your linkage length simply by rotating the clevis on the rod. This flexibility is essential for centering control surfaces without needing to adjust digital sub-trims, which can limit servo throw. Backed by our Probots™ Tech-Bridge  support, you can build with the confidence that you are using industrial-standard hardware supported by local engineering expertise.

Specifications:

  • Thread Diameter: M3 (3mm)
  • Material: High-Grade Iron (Zinc Plated for corrosion resistance)
  • Pin Diameter: 1.5mm
  • Total Length: 30mm (Approx)
  • Compatibility: Standard M3 threaded pushrods and control horns
  • Attachment Type: Threaded screw-on with safety pin lock

Key Applications & Projects

  • RC Aviation: Main elevator, aileron, and rudder linkages for fixed-wing aircraft.
  • Robotics: Custom steering geometry for 4-wheel drive platforms.
  • Scale Models: Retractable landing gear mechanisms and door actuators.
  • Industrial Prototyping: Small-scale linear stroke adjustments.

Project Evolution 

  • Past Projects (Prerequisites): If you have mastered basic servo control using plastic horns and Z-bend wires, you've likely noticed "slop" in your movements.
  • Feature Upgrade: Upgrading to this M3 Metal Clevis unlocks professional-grade precision. It allows for fine-tuning the length of your linkage without bending wire, providing a more responsive feel and higher torque handling.
  • Effort/Requirements: Intermediate level. Requires an M3 threaded rod and a basic pair of pliers for pin insertion.

Virtual Technician & Wiring

Safety Warning: Ensure the clevis is threaded at least 5mm onto the pushrod. Use a drop of blue threadlocker for high-vibration gas or nitro models.

Mechanical Guide:

  1. Screw the clevis onto your M3 threaded rod.
  2. Align the clevis gap with your control horn.
  3. Slide the pin through the horn and snap the outer arm closed to lock.

Package Includes:

1 X M3 Metal Clevis Linkage Rod Clamp Iron Chuck for RC Airplane & Robotics 

Frequently Asked Questions (FAQ)

  1. Will this fit a 2mm rod?
    It is designed specifically for M3 (3mm) rods. A 2mm rod will be too loose.
  2. Is this clevis rust-proof?
    It is galvanized for corrosion resistance, making it suitable for standard outdoor hobby use.
  3. What is the maximum weight it can pull?
    While not rated for overhead lifting, it is designed to handle high-torque servos up to 20kg-cm.
  4. Do I need a special tool for the pin?
    No, the pin is typically a snap-fit or secured with a small cotter pin/clip (included).
  5. Can I use this with carbon fiber rods?
    Yes, provided the rod diameter is 3mm.
  6. How do I prevent the screw from vibrating loose?
    We recommend a tiny drop of blue thread locker.
  7. Is the iron brittle?
    No, it is a ductile iron alloy designed to resist cracking under stress.
  8. What is the length of the internal thread?
    The chuck is typically hollow through the center for adjustable rod depth.
  9. Can this be soldered?
    Yes, being iron-based, it can be soldered using appropriate flux.
  10. Does it fit standard MG996R servo horns?
    Yes, the pin size is compatible with standard 3mm holes in heavy-duty servo horns.
  11. How much does a single unit weigh?
    Approximately 5 grams.
  12. What is the pin diameter?
    The pin diameter is standardized for M3 hardware (~1.5mm - 2mm).
  13. Is it sold as a pair?
    This listing is for a single unit unless otherwise specified in the quantity selector.
  14. Can I use this for a boat rudder?
    Yes, the galvanized coating provides protection against splash.
  15. What happens if I over-tighten the screw?
    The screw is steel; over-tightening may strip the internal iron threads. Tighten until snug.
  16. Is this compatible with Sullivan pushrods?
    Yes, if the threaded end is M3.
  17. Can I use it for a throttle linkage?
    It is ideal for throttle linkages due to its high precision.
  18. Does it come with the rod?
    No, rods are sold separately.
  19. What is the total length of the clevis? 30mm.
  20. Is this better than nylon?
    For high-stress or high-heat applications, metal is significantly more reliable than nylon.
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  • Guranteed Delivery Time: 1-3 days within India under Express Shipping

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Probots sells every Electronics Part for your next Project. You can order 10,000+ Electronic Parts Online - Arduino, Raspberry Pi, NodeMCU Development Boards, Sensors, Motors, Motor Drivers, SMPS, Plastic Enclosures etc in India directly on probots.co.in

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Nischith shetty

Friendly staff but Too costly, price is 2x as compared to SP road.

Rajeev Ranjan Pandey

Worst experience. UPI payment of Rupee 1,609 was successfully debited, but the order was later cancelled and no refund was issued.

Varshaa Senthil kumar

The products were at reasonable cost and the service and care provided by the whole team to deliver it safe was really awesome.

Soma Dasgupta

Great selection of components. Highly recommended for electronics enthusiasts!

SANTHA KUMAR

Happy with my purchase from ProBots. Some components are slightly expensive compared to other stores, but many items are reasonably priced. Good support and service.

Arun R

Good store for IoT components. Prices could be better though.

Manoj K

Best place to buy electrical components. A bit pricey but worth it for the quality.

G C Electronics Jaipur

Good products - Timely delivery. Professional service.

Nischith shetty

Friendly staff but Too costly, price is 2x as compared to SP road.

Rajeev Ranjan Pandey

Worst experience. UPI payment of Rupee 1,609 was successfully debited, but the order was later cancelled and no refund was issued.

Varshaa Senthil kumar

The products were at reasonable cost and the service and care provided by the whole team to deliver it safe was really awesome.

Soma Dasgupta

Great selection of components. Highly recommended for electronics enthusiasts!

SANTHA KUMAR

Happy with my purchase from ProBots. Some components are slightly expensive compared to other stores, but many items are reasonably priced. Good support and service.

Arun R

Good store for IoT components. Prices could be better though.

Manoj K

Best place to buy electrical components. A bit pricey but worth it for the quality.

G C Electronics Jaipur

Good products - Timely delivery. Professional service.

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