--- product_id: 729018606 title: "4Pcs 8mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors" brand: "daier" price: "₹ 2754" currency: INR in_stock: true reviews_count: 5 category: "Daier" url: https://www.desertcart.in/products/729018606-4pcs-8mm-flange-coupling-connector-rigid-guide-model-coupler-accessory store_origin: IN region: India --- # 8mm Inner Diameter - Perfect Fit M4 Hex Screws - Precision Fastening 45# Alloy Steel - Superior Strength 4Pcs 8mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors **Brand:** daier **Price:** ₹ 2754 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate Your RC Builds with Precision Power! ## Quick Answers - **What is this?** 4Pcs 8mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors by daier - **How much does it cost?** ₹ 2754 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/729018606-4pcs-8mm-flange-coupling-connector-rigid-guide-model-coupler-accessory) ## Best For - daier enthusiasts ## Why This Product - Trusted daier brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete DIY Kit:** Includes 4 flange couplings, 8 M4 fastening screws, and a mini hex wrench for effortless assembly. - • **Unmatched Durability:** Crafted from premium 45# steel with electroplated finish for long-lasting, corrosion-resistant performance. - • **Precision Engineering:** Flawless machining with chamfered guides ensures smooth installation and secure shaft alignment every time. - • **Trusted Quality Control:** Highly rated by 800+ users for perfect fit, smooth threading, and reliable mechanical stability. - • **Versatile Compatibility:** Designed specifically for 8mm shafts, ideal for RC models, DIY motors, and custom mechanical projects. ## Overview This 4-piece set of 8mm flange coupling connectors is engineered from robust 45# alloy steel with an electroplated finish, delivering exceptional strength and corrosion resistance. Designed for RC model motors and DIY projects, each coupling features precision-machined chamfered guides and M4 hex screws for secure, easy installation. The package includes all necessary hardware and a mini hex wrench, ensuring a seamless upgrade to your mechanical assemblies. ## Description Parts for RC Airplane Boat ,DIY Model. Perfect accessories for RC Model motor, etc. Review: Perfect Machining and Great Design – Each Flange Was Flawless Review: Exactly as expected. ## Features - Durable Material: The coupling connector is made of 45# steel( it is better than copper and aluminum alloys ), heat and electroplated process make it sturdiness and insulation, striking shaft more stable and easy for installment and replacement. - Widely use: used in model shaft connection, perfect accessories for RC Model motor. - Size:Inner Diameter: 8mm,Height:13mm,Fixed Hole Screw: M4. - Package included:4Pcs 8mm Flange Shaft Coupling + 1Pcs M4 Mini Hex Wrench + 8 x M4 Fastening Screw ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08335MYGW | | Brand | daier | | Color | Silver | | Colour | Silver | | Compatible Groove Diameter | 4 Millimeters | | Customer Reviews | 4.6 out of 5 stars 818 Reviews | | Drive Style | External Hex | | Exterior Finish | Aluminum,Steel | | Exterior finish | Aluminum , Steel | | Fastener Type | Flange | | Fastener type | Flange | | Finish Types | Electroplated | | Grade Rating | commercial | | Inside Thread Size | M4 | | Item Diameter | 8 Millimeters | | Item Weight | 0.11 Kilograms | | Manufacturer | daier | | Material | Metal | | Material Type | Metal | | Maximum Shear Strength | 370 MPa (53,611 psi) | | Metal Type | Alloy Steel | | Metal type | Alloy Steel | | Model | H420*4 | | Number Of Items | 4 | | Number of Pieces | 4 | | Part Number | H420*4 | | Screw Head Style | Hexagonal | | Set Name | 4 pieces | | Size Name | 8mm | | Thread Class | Class 6H | | Thread Size | M 4 | | Thread Style | Left Hand | | Thread Type | Iso Metric | | Thread size | M 4 | | Unit Count | 4 Count | ## Product Details - **Colour:** Silver - **Exterior finish:** Aluminum,Steel - **Fastener type:** Flange - **Material:** Metal - **Thread size:** M 4 ## Images ![4Pcs 8mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors - Image 1](https://m.media-amazon.com/images/I/61upRBXCDeL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect Machining and Great Design – Each Flange Was Flawless *by R***R on 10 February 2026* ### ⭐⭐⭐⭐⭐ Exactly as expected. *by A***H on 17 April 2024* ### ⭐⭐⭐⭐⭐ These fit small gear drives *by S***. on 22 April 2026* ## Frequently Bought Together - 4Pcs 8mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors - BRINGSMART 12V 160rpm DC Worm Gear Motor 10kg.cm Self-Locking Engine Reversed Mini Turbine Geared Motor for DIY Robot Rotating Table Door Lock Curtain Machine (12V 160rpm) - Zeberoxyz 2PCS Set GT2 Synchronous Wheel 20&60 Teeth 8mm Bore Aluminum Timing Pulleys with 2PCS Length 200mm Width 6mm Belt (20-60T-8B-6) --- ## 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.in/products/729018606-4pcs-8mm-flange-coupling-connector-rigid-guide-model-coupler-accessory](https://www.desertcart.in/products/729018606-4pcs-8mm-flange-coupling-connector-rigid-guide-model-coupler-accessory) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-05-31*