---
product_id: 227519274
title: "4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (3mm)"
brand: "winwill"
price: "¥3063"
currency: JPY
in_stock: true
reviews_count: 13
category: "Winwill"
url: https://www.desertcart.jp/products/227519274-4pcs-flange-coupling-connector-rigid-guide-model-coupler-accessory-shaft
store_origin: JP
region: Japan
---

# Precision 3mm shaft diameter Includes grub screws + tightening tool 45# steel for ultimate durability 4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (3mm)

**Brand:** winwill
**Price:** ¥3063
**Availability:** ✅ In Stock

## Summary

> ⚙️ Lock in Power, Link with Precision – Don’t Let Your RC Fall Behind!

## Quick Answers

- **What is this?** 4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (3mm) by winwill
- **How much does it cost?** ¥3063 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/227519274-4pcs-flange-coupling-connector-rigid-guide-model-coupler-accessory-shaft)

## Best For

- winwill enthusiasts

## Why This Product

- Trusted winwill brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last with 45# Steel:** Engineered from premium heat- and electroplated steel for unmatched strength and corrosion resistance.
- • **Versatile RC Model Compatibility:** Ideal for airplanes, boats, and DIY motor projects—upgrade your RC game effortlessly.
- • **Complete Installation Kit Included:** Comes with grub screws and a dedicated tightening tool for hassle-free assembly.
- • **Effortless Replacement & Maintenance:** Rigid guide design simplifies installation and quick swaps, keeping your models race-ready.
- • **Precision Fit for Smooth Performance:** Exact 3mm diameter ensures seamless shaft alignment and stable motor connection.

## Overview

This 4-piece flange coupling connector set is crafted from durable 45# steel with heat and electroplated finishing, delivering superior strength and insulation. Designed for 3mm shafts, it includes grub screws and a tightening tool for easy installation, making it the perfect upgrade accessory for RC model motors in airplanes, boats, and DIY projects.

## Description

Parts for RC Airplane Boat ,DIY Model. Perfect accessories for RC Model motor, etc.

Review: Sturdy and well made - Good quality and sturdy, they fit to the motor spindle and stay there. Comes supplied with grub screws and an tool for tightening them up
Review: Overpriced - Good product, overpriced a little bit

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0833PJMF6 |
| Batteries Required? | No |
| Batteries included? | No |
| Colour | Silver |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,151) |
| Cutting Diameter | 3 Millimetres |
| Date First Available | 25 Dec. 2019 |
| Finish | Unfinished |
| Item Package Quantity | 1 |
| Item Weight | 50 g |
| Item diameter | 3 Millimetres |
| Item model number | Flange Coupling Connector |
| Manufacturer | winwill |
| Material | Metal |
| Number of Pieces | 4 |
| Part number | Flange Coupling Connector |
| Power source type | Manual |
| Shape | Round |
| Size | 3mm |

## Product Details

- **Brand:** winwill
- **Colour:** Silver
- **Exterior finish:** Aluminum,Steel
- **Fastener type:** Flange
- **Finish type:** Unfinished
- **Inside-thread size:** M 3
- **Material:** Metal
- **Metal type:** Aluminium, Copper
- **Thread size:** M 3
- **Thread type:** ISO Metric

## Images

![4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (3mm) - Image 1](https://m.media-amazon.com/images/I/61OOnvEPEuL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sturdy and well made
*by M***R on 21 October 2025*

Good quality and sturdy, they fit to the motor spindle and stay there. Comes supplied with grub screws and an tool for tightening them up

### ⭐⭐⭐⭐⭐ Overpriced
*by B***A on 30 May 2025*

Good product, overpriced a little bit

### ⭐⭐⭐⭐⭐ Nicely made.
*by I***X on 4 January 2025*

I use these from an electric motor to a gear on my model fairground rides. Fit the motor axle nicely and are concentric. Holes for bolting through.

## Frequently Bought Together

- 4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (3mm)
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**Shop now:** [https://www.desertcart.jp/products/227519274-4pcs-flange-coupling-connector-rigid-guide-model-coupler-accessory-shaft](https://www.desertcart.jp/products/227519274-4pcs-flange-coupling-connector-rigid-guide-model-coupler-accessory-shaft)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-21*