--- product_id: 241592947 title: "4Pcs 5mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors" brand: "daier" price: "₨6279" currency: LKR in_stock: true reviews_count: 13 category: "Daier" url: https://www.desertcart.lk/products/241592947-4pcs-5mm-flange-coupling-connector-rigid-guide-model-coupler-accessory store_origin: LK region: Sri Lanka --- # Precision M3 fastening screws included 45# steel for ultimate durability Complete 4-piece set + mini hex wrench 4Pcs 5mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors **Brand:** daier **Price:** ₨6279 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your RC build with precision-engineered power connectors! ## Quick Answers - **What is this?** 4Pcs 5mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors by daier - **How much does it cost?** ₨6279 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/241592947-4pcs-5mm-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 - • **All-in-One DIY Kit:** Includes 4 flange couplings, 8 M3 screws, and a mini hex wrench—everything you need to upgrade your RC model. - • **Top-Rated Reliability:** Trusted by 800+ users with a 4.6-star rating, making it the #1 choice in rigid set screw couplings. - • **Versatile Compatibility:** Designed specifically for 5mm shaft diameters, ideal for RC airplanes, boats, and custom motor projects. - • **Engineered for Precision:** Flawless machining with chamfered guides ensures smooth installation and perfect fit every time. - • **Industrial-Grade Strength:** Crafted from premium 45# steel with heat and electroplated treatment for unmatched sturdiness and insulation. ## Overview This 4-piece 5mm flange coupling connector set is crafted from industrial-grade 45# steel with heat and electroplated finishing, delivering superior durability and insulation. Designed for RC model motors, it includes precision-machined couplings, M3 fastening screws, and a mini hex wrench for easy installation. Perfectly sized for 5mm shafts, it’s a top-rated, reliable accessory that enhances stability and performance in DIY RC projects. ## Description Parts for RC Airplane Boat ,DIY Model. Perfect accessories for RC Model motor, etc. ## 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: 5mm,Height:12mm,Fixed Hole Screw: M3. - Package included:4Pcs 5mm Flange Shaft Coupling + 1Pcs M3 Mini Hex Wrench + 8 x M3 Fastening Screw ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08334MFVT | | Best Sellers Rank | #7,685 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Rigid Set Screw Couplings | | Brand | daier | | Color | Silver | | Compatible Groove Diameter | 5 Millimeters | | Customer Reviews | 4.6 out of 5 stars 853 Reviews | | Drive Style | External Hex | | Exterior Finish | Aluminum,Steel | | Fastener Type | Flange | | Finish Types | Brushed | | Grade Rating | Industrial | | Inside Thread Size | M3 | | Item Diameter | 5 Millimeters | | Manufacturer | daier | | Material | Metal | | Material Type | Metal | | Metal Type | Alloy Steel, Aluminum, Copper | | Model | H417*4 | | Number Of Items | 4 | | Number of Pieces | 13 | | Part Number | H417*4 | | Screw Head Style | Flat | | Set Name | Single Set | | Size Name | 5mm | | Thread Class | Fine | | Thread Size | M 3 | | Thread Style | External Metric | | Thread Type | Iso Metric | | Unit Count | 4.0 Count | ## Product Details - **Color:** Silver - **Exterior Finish:** Aluminum,Steel - **Fastener Type:** Flange - **Material:** Metal - **Thread Size:** M 3 ## Images ![4Pcs 5mm 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/61PprJJW0AL.jpg) ![4Pcs 5mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors - Image 2](https://m.media-amazon.com/images/I/61TNTUjsl0L.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by R***R on February 10, 2026* ### ⭐⭐⭐⭐⭐ Review *by S***. on April 22, 2026* ### ⭐⭐⭐⭐⭐ Review *by D***. on September 30, 2025* ## Frequently Bought Together - 4Pcs 5mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors - STEPPERONLINE Nema 17 Stepper Motor Bipolar 2A 59Ncm(84oz.in) 48mm Body 4-Lead W/ 1m Cable and Connector Compatible with 3D Printer/CNC - HiLetgo 5pcs A4988 Stepstick Stepper Motor Driver Module with Heat Sink for 3D Printer Reprap Suitable for Mendel Huxley Arduino --- ## 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.lk/products/241592947-4pcs-5mm-flange-coupling-connector-rigid-guide-model-coupler-accessory](https://www.desertcart.lk/products/241592947-4pcs-5mm-flange-coupling-connector-rigid-guide-model-coupler-accessory) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-05-16*