This is the 40mm variant of the EFT Arm Lock Cap φ40/4pcs Compatible with E416P/E616P/E410P 40mm in Drone Frame and Accessories. Available at ₹2,098.43 (₹1,998.50 + GST) with free shipping across India.
Looking for E416p E616p E410p? EFT Arm Lock Cap φ40/4pcs Compatible with E416P/E616P/E410P 40mm is available at Zbotic with fast shipping across India.
EFT Arm Lock Cap φ40/4pcs Compatible with E416P/E616P/E410P 40mm
Introducing the EFT Arm Lock Cap φ40/4pcs, specifically designed to provide enhanced stability and security for drone models E416P, E616P, and E410P. These lock caps are essential for ensuring that critical components remain securely fastened within your drone’s structure, minimizing the risk of dislodging or movement during operation or assembly.
Crafted with precision and durability in mind, each lock cap is easy to use and offers reliable performance. They are engineered to seamlessly integrate with drone models E410P, E416P, and E616P, providing a perfect fit for 40mm applications.
Features:
- Easy to use: Simplifies the installation process for effortless setup
- Good quality product: Crafted from high-quality materials for long-lasting durability
- Compatibility: Specifically designed for drone models E410P, E416P, and E616P
- Size: Compatible with 40mm applications, ensuring versatility and adaptability
- Each pack includes four lock caps: Providing ample support for multiple components within your drone’s structure
Specifications:
| Length (mm): | 62 |
|---|---|
| Inner Diameter (ID) (mm) | 40 |
| Weight (g): | 42 |
Upgrade your drone’s stability and reliability with the EFT Arm Lock Cap φ40/4pcs, and enjoy peace of mind knowing that your components are securely fastened for optimal performance.
Package Includes:
4 x EFT Arm Lock Cap φ40/4pcs
EFT Arm Lock Cap φ40/4pcs Compatible with Overview
The EFT Arm Lock Cap φ40/4pcs is a set of four precision-engineered caps designed to secure 40mm drone arms on models E410P, E416P, and E616P. These caps prevent arm movement or dislodging during flight, ensuring stable and reliable performance.
Key Features of EFT Arm Lock Cap φ40/4pcs Compatible with
- Precise 40mm Fit: Optimized for E410P, E416P, and E616P arm sockets
- Durable Construction: Made from high-strength, impact-resistant plastic
- Snap-In Installation: Tool-free push-fit design for quick mounting
- Secure Locking: Keeps arms firmly in place during aggressive maneuvers
- Genuine Product: Authentic EFT caps sourced directly from the manufacturer
- Fast Shipping: Dispatched quickly from Zbotic’s warehouse across India
Applications and Use Cases
- Routine Maintenance: Replace worn caps to maintain drone integrity
- Crash Repairs: Restore secure arm attachments after minor impacts
- Pre-Flight Prep: Verify arm stability before every mission
- Field Servicing: Perform quick part swaps during on-site operations
- Custom Builds: Use in DIY assemblies of E-series drone frames
How to Use EFT Arm Lock Cap φ40/4pcs Compatible with
Align each lock cap over the 40mm drone arm socket, then press firmly until you hear a click. Confirm the cap sits flush against the frame with no gaps, and repeat for all four arms before powering on your drone.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
Can I use these caps on other drone models?
These lock caps are specifically designed for the 40mm arm interfaces of E410P, E416P, and E616P drones and may not fit other models without matching dimensions.
How do I know when to replace an arm lock cap?
Inspect the caps after any rough landing or every 50 flight hours. Replace if you notice cracks, warping, or if the cap no longer clicks securely into place.
Are any tools required for installation?
No tools are needed. The snap-fit design allows you to press each cap into the arm socket by hand until it locks in firmly.
Technical Specifications
| Brand | EFT |
|---|---|
| Size | 40mm |
| Interface / Protocol | BLE |
| Package Quantity | 4 pcs |
| SKU | AI5535 |
| Weight | 0.0559 kg |
| Availability | In Stock |
Applications & Use Cases
The EFT Arm Lock Cap φ40/4pcs Compatible with E416P/E616P/E410P 40mm is a versatile drone frame and accessories used across a wide range of applications including FPV racing builds, freestyle drones, cinematic drones, and agricultural spraying platforms.
Common use cases:
- Building a new racing quad
- Replacing a broken frame arm after a crash
- Mounting a camera gimbal on a custom platform
This product is ideal for FPV builders, drone racing enthusiasts, and commercial drone operators.
Technical Tip: Carbon fiber frames offer the best strength-to-weight ratio. Ensure motor-to-motor distance matches your propeller size.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine EFT product sourced from authorized channels



Daksh Mishra (verified owner) –
Outstanding EFT Arm Lock Cap φ40/4pcs Compatible! Installed it on my racing quad and the performance is amazing.
Devansh Menon (verified owner) –
Using this EFT Arm Lock Cap φ40/4pcs Compatible in my FPV drone build. Quality is top notch. Very happy with the purchase.
Karan Negi (verified owner) –
Very good quality EFT Arm Lock Cap φ40/4pcs Compatible. I’ve been building drones for 2 years now and this is one of the best I’ve used.
Arnav Hegde (verified owner) –
Solid EFT Arm Lock Cap φ40/4pcs Compatible. Not the absolute best but excellent value for the price point.
Jayesh Hegde (verified owner) –
Great quality EFT Arm Lock Cap φ40/4pcs Compatible. Perfect specs for my drone project. Fast delivery too!
Jayesh Trivedi (verified owner) –
Excellent EFT Arm Lock Cap φ40/4pcs Compatible! Perfect for my quadcopter build. Arrived well packed and works flawlessly.
Sameer Thakur (verified owner) –
Great quality EFT Arm Lock Cap φ40/4pcs Compatible. Perfect specs for my drone project. Fast delivery too!
Akshat Mittal (verified owner) –
Perfect for my agriculture drone project. This EFT Arm Lock Cap φ40/4pcs Compatible handles the weight effortlessly.
Hardik Patel –
Been using this EFT Arm Lock Cap φ40/4pcs Compatible for 3 months now, zero issues. Great product.
Mayank Choudhury –
Bought this for my college drone project. Works great, professor was impressed!
Manoj Thakur (verified owner) –
Received the EFT Arm Lock Cap φ40/4pcs Compatible in great condition. Testing done, everything works perfectly.
Daksh Iyer (verified owner) –
Great quality EFT Arm Lock Cap φ40/4pcs Compatible. Perfect specs for my drone project. Fast delivery too!
Shivam Rajan (verified owner) –
Superb EFT Arm Lock Cap φ40/4pcs Compatible! Built my first drone with this and it performed beyond expectations.
Parth Rajan (verified owner) –
Bought this for my college drone project. Works great, professor was impressed!
Naman Choudhury (verified owner) –
Perfect for my agriculture drone project. This EFT Arm Lock Cap φ40/4pcs Compatible handles the weight effortlessly.
Yogesh Das –
Top quality EFT Arm Lock Cap φ40/4pcs Compatible. I’m a regular customer of Zbotic and they never disappoint.
Vidya Ghosh (verified owner) –
Good product overall. My drone is flying well with this EFT Arm Lock Cap φ40/4pcs Compatible. Satisfied with the purchase.
Yash Shah (verified owner) –
Good EFT Arm Lock Cap φ40/4pcs Compatible. Works well for my drone build. Packaging could be slightly better.
Priya Grewal (verified owner) –
This EFT Arm Lock Cap φ40/4pcs Compatible exceeded my expectations. Installed it yesterday and took a successful test flight today.
Rohan Nair (verified owner) –
This EFT Arm Lock Cap φ40/4pcs Compatible exceeded my expectations. Installed it yesterday and took a successful test flight today.
Prashant Modi (verified owner) –
Very impressed with this EFT Arm Lock Cap φ40/4pcs Compatible. My drone’s performance improved noticeably.
Devansh Mukherjee (verified owner) –
Superb EFT Arm Lock Cap φ40/4pcs Compatible! Built my first drone with this and it performed beyond expectations.
Rahul Reddy (verified owner) –
Very good quality EFT Arm Lock Cap φ40/4pcs Compatible. I’ve been building drones for 2 years now and this is one of the best I’ve used.
Sumit Parekh (verified owner) –
Using this EFT Arm Lock Cap φ40/4pcs Compatible in my FPV drone build. Quality is top notch. Very happy with the purchase.
Deepika Desai (verified owner) –
Bought this for my college drone project. Works great, professor was impressed!