---
product_id: 723617673
title: "8mm to 11mm Stepper Motor Shaft Sleeve 8x11mm Bore Adapter Turbine Reducer Shaft Sleeve for RV030 Worm Gear Speed Reduce RV30 Gearbox 0.31inch"
brand: "cnctopbaos"
price: "$1.18"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/723617673-8mm-to-11mm-stepper-motor-shaft-sleeve-8x11mm-bore-adapter
store_origin: US
region: United States of America
---

# Compact 20mm length Precision 8mm to 11mm fit Durable high-quality tool steel 8mm to 11mm Stepper Motor Shaft Sleeve 8x11mm Bore Adapter Turbine Reducer Shaft Sleeve for RV030 Worm Gear Speed Reduce RV30 Gearbox 0.31inch

**Brand:** cnctopbaos
**Price:** $1.18
**Availability:** ❌ Out of Stock

## Summary

> ⚙️ Upgrade your motor game with precision and durability!

## Quick Answers

- **What is this?** 8mm to 11mm Stepper Motor Shaft Sleeve 8x11mm Bore Adapter Turbine Reducer Shaft Sleeve for RV030 Worm Gear Speed Reduce RV30 Gearbox 0.31inch by cnctopbaos
- **How much does it cost?** $1.18 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/723617673-8mm-to-11mm-stepper-motor-shaft-sleeve-8x11mm-bore-adapter)

## Best For

- cnctopbaos enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from premium tool steel ensuring long-term durability under heavy use.
- • **Compact & Lightweight:** At just 20mm length and 20g weight, it integrates without adding bulk.
- • **Precision Engineering:** Exact 8x11mm bore dimensions guarantee a snug, wobble-free fit every time.
- • **Seamless Shaft Upgrade:** Effortlessly adapt your 8mm stepper motor shaft to 11mm for enhanced compatibility.
- • **Optimized for RV30 Gearboxes:** Specifically designed to enhance performance in RV030 worm gear reducers.

## Overview

This 8mm to 11mm stepper motor shaft sleeve adapter, made from high-quality tool steel, offers a precise and durable solution for upgrading RV30 worm gear reducers. Its compact 20mm length and exact bore dimensions ensure seamless integration and enhanced gearbox performance.

## Description

Package includes: 1 x 8mm to 11mm Shaft SleeveSpecification:Type: Turbine Reducer Shaft SleeveInner diameter: 8mm (0.31")Out diameter: 11mm (0.43")Length: 20mm (0.79")Inner height: 7.5mm (0.3")Overall height: 12mm (0.47")For RV30 RV030 Worm Gear Speed Reduce Stepper motor

## Features

- Application: RV30 Worm Gear Reducer
- Application size: Stepper motor 8mm to 11mm bore adapter
- Inner diameter: 8mm; Out diameter: 11mm; Length: 20mm
- Material: High quality tool steel
- Turbine reducer shaft sleeve 8mm to 11mm bore adapter for worm gear reducer shaft sleeve

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | CNCTOPBAOS |
| Part number | RV030 |
| Item Weight | 20 g |
| Package Dimensions | 18.2 x 16.3 x 1.2 cm; 20 g |
| Item model number | RV030 |
| Size | 8mm to 11mm |
| Batteries included? | No |
| Batteries Required? | No |

## Images

![8mm to 11mm Stepper Motor Shaft Sleeve 8x11mm Bore Adapter Turbine Reducer Shaft Sleeve for RV030 Worm Gear Speed Reduce RV30 Gearbox 0.31inch - Image 1](https://m.media-amazon.com/images/I/713De4jAvxL.jpg)
![8mm to 11mm Stepper Motor Shaft Sleeve 8x11mm Bore Adapter Turbine Reducer Shaft Sleeve for RV030 Worm Gear Speed Reduce RV30 Gearbox 0.31inch - Image 2](https://m.media-amazon.com/images/I/71kNvClc+yL.jpg)
![8mm to 11mm Stepper Motor Shaft Sleeve 8x11mm Bore Adapter Turbine Reducer Shaft Sleeve for RV030 Worm Gear Speed Reduce RV30 Gearbox 0.31inch - Image 3](https://m.media-amazon.com/images/I/71P8wgKtWlL.jpg)
![8mm to 11mm Stepper Motor Shaft Sleeve 8x11mm Bore Adapter Turbine Reducer Shaft Sleeve for RV030 Worm Gear Speed Reduce RV30 Gearbox 0.31inch - Image 4](https://m.media-amazon.com/images/I/71nNtcdRrKL.jpg)
![8mm to 11mm Stepper Motor Shaft Sleeve 8x11mm Bore Adapter Turbine Reducer Shaft Sleeve for RV030 Worm Gear Speed Reduce RV30 Gearbox 0.31inch - Image 5](https://m.media-amazon.com/images/I/81qz0ZldViL.jpg)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-17*