--- product_id: 525269438 title: "uxcell Hex Coupler 3mm Bore Motor Hex Brass Shaft Coupling Flexible Connector for Car Wheels Tires Shaft Motor 8pcs" brand: "uxcell" price: "£39.14" currency: GBP in_stock: true category: "Uxcell" url: https://www.desertcart.co.uk/products/525269438-uxcell-hex-coupler-3mm-bore-motor-hex-brass-shaft-coupling store_origin: GB region: United Kingdom --- # Durable high-quality brass 3mm precision bore M4 fastening screws included uxcell Hex Coupler 3mm Bore Motor Hex Brass Shaft Coupling Flexible Connector for Car Wheels Tires Shaft Motor 8pcs **Brand:** uxcell **Price:** £39.14 **Availability:** ✅ In Stock ## Summary > ⚙️ Connect with confidence — the brass standard for your motor shafts! ## Quick Answers - **What is this?** uxcell Hex Coupler 3mm Bore Motor Hex Brass Shaft Coupling Flexible Connector for Car Wheels Tires Shaft Motor 8pcs by uxcell - **How much does it cost?** £39.14 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/525269438-uxcell-hex-coupler-3mm-bore-motor-hex-brass-shaft-coupling) ## Best For - uxcell enthusiasts ## Why This Product - Trusted uxcell brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete 8-Pack Kit:** Includes 8 couplers, 16 M4 screws, and 3 hex wrenches for hassle-free installation. - • **Premium Brass Build:** Robust, corrosion-resistant brass guarantees long-lasting stability and insulation. - • **Precision 3mm Hex Bore:** Engineered for exact motor shaft fit, ensuring seamless power transfer. - • **Versatile Compatibility:** Perfect for RC cars, robots, and model motors—upgrade your build effortlessly. - • **Easy Installation & Replacement:** User-friendly design with included tools to keep your projects moving fast. ## Overview The uxcell Hex Coupler 3mm Bore is a premium brass shaft connector designed for precise and durable motor-to-wheel coupling in RC models and robotics. This 8-piece set includes all necessary M4 screws and hex wrenches, ensuring easy installation and reliable performance for professional-grade builds. ## Description Description :1.Material: Made of high quality pure brass, sturdy, reliable and strictly functional.2.Function: A special coupler, used for connecting the motor shaft and the hexagon wheel of the robot, cars, and other models.3.Use: Suitable for model shaft connection, perfect accessories for RC Model motor, etc.4.Feature: Durable and insulation, make your shaft more stable, easy to install and replace.Specification :Hexagonal Side: 7mmHex Height : 6mmOpposite Side: 12mmCylinder Height: 12mmCylinder Outer Diameter: 11.5mmCylinder Inner Diameter: 3mmFastening Screw Hole: M4 ## Features - 【Type】- 3mm Hex Brass Shaft Coupling, suitable for model shaft connection, perfect accessories for RC Model motor, etc. - 【Coupling Size】- Hex Height : 6mm ; Opposite Side: 12mm ; Cylinder Height: 12mm ; Cylinder Outer Diameter: 11.5mm ; Cylinder Inner Diameter: 3mm ; Fastening Screw Hole: M4 - 【Material:】- Made of high quality brass, sturdy, reliable and strictly functional. Durable and insulation, make your shaft more stable, easy to install and replace. - 【Function】- A special coupler, used for connecting the motor shaft and the hexagon wheel of the robot and other models. - 【Package Content】- 8pcs Hex Coupler, 16pcs M4 Screws, 3pcs 4mm Hex Wrench. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08M3FY9MM | | Brand | uxcell | | Colour | Gold | | Compatible Groove Diameter | 3 Millimeters | | Customer Reviews | 4.3 out of 5 stars 9 Reviews | | Drive Style | Hex | | Exterior Finish | Brass | | Fastener Type | Hex , Wheel | | Finish Types | Brass | | Grade Rating | Commercial | | Inside Thread Size | M4 | | Item Diameter | 3 Millimetres | | Item Weight | 0.14 Kilograms | | Manufacturer | uxcell | | Material | Metal | | Material Type | Metal | | Metal Type | Brass | | Number of Pieces | 8 | | Part Number | a19120400ux0033 | | Screw Head Style | Hex | | Size Name | small | | Thread Class | Class 2A | | Thread Coverage | Unthreaded | | Thread Size | M4 | | Thread Style | Right Hand, M4 (Metric) | | Thread Type | Iso Metric | | Unit Count | 1.00 Count | ## Product Details - **Material:** Metal - **Fastener Type:** Hex, Wheel - **Thread Size:** M4 - **Exterior Finish:** Brass - **Colour:** Gold - **Metal Type:** Brass - **Finish Type:** Brass - **Brand:** uxcell - **Thread Type:** Iso Metric - **Inside Thread Size:** M4 ## Images ![uxcell Hex Coupler 3mm Bore Motor Hex Brass Shaft Coupling Flexible Connector for Car Wheels Tires Shaft Motor 8pcs - Image 1](https://m.media-amazon.com/images/I/61KyLY7PsQL.jpg) ![uxcell Hex Coupler 3mm Bore Motor Hex Brass Shaft Coupling Flexible Connector for Car Wheels Tires Shaft Motor 8pcs - Image 2](https://m.media-amazon.com/images/I/51nUqwgSZoL.jpg) ![uxcell Hex Coupler 3mm Bore Motor Hex Brass Shaft Coupling Flexible Connector for Car Wheels Tires Shaft Motor 8pcs - Image 3](https://m.media-amazon.com/images/I/51qjoOvU72L.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/525269438-uxcell-hex-coupler-3mm-bore-motor-hex-brass-shaft-coupling](https://www.desertcart.co.uk/products/525269438-uxcell-hex-coupler-3mm-bore-motor-hex-brass-shaft-coupling) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-04*