---
product_id: 226885074
title: "4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (4mm)"
brand: "winwill"
price: "$21.01"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/226885074-4pcs-flange-coupling-connector-rigid-guide-model-coupler-accessory-shaft
store_origin: US
region: United States of America
---

# Heat & electroplated for corrosion resistance Precision 4mm diameter for perfect fit 45# steel for ultimate durability 4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (4mm)

**Brand:** winwill
**Price:** $21.01
**Availability:** ✅ In Stock

## Summary

> ⚙️ Lock in precision, power your passion!

## Quick Answers

- **What is this?** 4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (4mm) by winwill
- **How much does it cost?** $21.01 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/226885074-4pcs-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

- • **Precision Fit:** Engineered with a 4mm cutting diameter ensuring seamless shaft alignment.
- • **Unmatched Strength:** Crafted from premium 45# steel, outlasting copper and aluminum alternatives.
- • **Effortless Installation:** Designed for quick replacement and stable shaft connection, minimizing downtime.
- • **Versatile Compatibility:** Ideal for RC model motors, airplanes, boats, and DIY projects.
- • **Corrosion-Resistant Finish:** Heat-treated and electroplated for long-lasting sturdiness and insulation.

## Overview

This 4-piece flange coupling connector set, made from robust 45# steel with a heat and electroplated finish, offers superior durability and corrosion resistance. Designed with a precise 4mm diameter, it ensures stable and easy shaft alignment, making it the perfect accessory for RC model motors and DIY projects seeking reliable performance.

## Description

4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (4mm)

## 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 |
|---------------|-------|
| Manufacturer | winwill |
| Part number | Flange Coupling Connector |
| Item Weight | 60 g |
| Manufacturer reference | Flange Coupling Connector |
| Size | 4mm |
| Colour | Silver |
| Finish | Satin |
| Material | Metal |
| Shape | Round |
| Item Package Quantity | 1 |
| Number of Pieces | 4 |
| Cutting Diameter | 4 Millimetres |
| Batteries included? | No |
| Batteries Required? | No |
| Item diameter | 4 Millimetres |

## Product Details

- **Material:** Metal
- **Fastener type:** Flange
- **Thread size:** M 3
- **Exterior finish:** Aluminum,Steel
- **Colour:** Silver
- **Metal type:** Aluminium, Copper
- **Finish type:** Satin
- **Brand:** winwill
- **Thread type:** ISO Metric
- **Inside-thread size:** 4MM

## Images

![4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (4mm) - Image 1](https://m.media-amazon.com/images/I/61PprJJW0AL.jpg)

## Available Options

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

## Frequently Bought Together

- 4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (4mm)
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**Shop now:** [https://www.desertcart.us/products/226885074-4pcs-flange-coupling-connector-rigid-guide-model-coupler-accessory-shaft](https://www.desertcart.us/products/226885074-4pcs-flange-coupling-connector-rigid-guide-model-coupler-accessory-shaft)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-10*