---
product_id: 454718594
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: "€ 59.08"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/454718594-8mm-to-11mm-stepper-motor-shaft-sleeve-8x11mm-bore-adapter
store_origin: FI
region: Finland
---

# Compact 20mm length Precision 8mm to 11mm bore fit Durable steel construction 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:** € 59.08
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your gear game with precision and power!

## 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?** € 59.08 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/454718594-8mm-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

- • **Lightweight Yet Strong:** At just 20g, it delivers strength without compromising on weight—ideal for precision machinery.
- • **Rugged Steel Durability:** Crafted from premium steel to withstand high torque and ensure long-lasting performance.
- • **Seamless Bore Adaptation:** Effortlessly upgrade your stepper motor from 8mm to 11mm for perfect compatibility.
- • **Compact & Efficient Design:** 20mm length fits snugly without adding bulk, optimizing your gear reducer setup.
- • **Perfect RV030 Compatibility:** Specifically engineered for NMRV030 worm gear reducers, guaranteeing flawless integration.

## Overview

This 8mm to 11mm stepper motor shaft sleeve is a precision-engineered steel adapter designed for NMRV030 worm gear reducers. Measuring 20mm in length and weighing only 20g, it ensures a perfect fit and durable performance for professional-grade speed reduction applications.

## 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: NMRV030 NMRV30 Worm Gear Reducer
- Application size: Stepper motor 8 mm 0.31 inch to 11 mm 0.43 inch bore adapter
- Inner diameter: 8 mm 0.31 inch; Out diameter: 11 mm 0.43 inch; Length: 20 mm 0.78 inch
- Material: Steel
- Turbine reducer shaft sleeve 8mm to 11mm bore adapter for worm gear reducer shaft sleeve

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | CNCTOPBAOS |
| Manufacturer | CNCTOPBAOS |
| Country of Origin | USA |
| Model number | RV030 |
| Item Weight | 20 g |
| Package Dimensions | 18.2 x 16.3 x 1.2 cm; 20 g |
| Item model number | RV030 |
| Are batteries included? | 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/71DEdH4hBiL.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/71+tDYVXupL.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/716WrziU2kL.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/71Af1rBCzxL.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/81JNFyVXorL.jpg)

## Available Options

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

## Frequently Bought Together

- CNCTOPBAOS 8mm to 11mm Stepper Motor Shaft Sleeve 8x11mm Bore Adapter Turbine Reducer Shaft Sleeve for RV030 Worm Gear Speed Reduce RV30 NMRV030 Gearbox 0.31inch
- CNCTOPBAOS Output Double Shaft Diameter 14mm 0.55" Dual Output Shaft Length 130mm Fit for Worm Reducer Gearbox NMRV030 RV030 Nema23 Stepper Motor with Gaskets S Ring Corner pin
- CNCTOPBAOS NMRV30 Worm Gearbox Speed Reducer NMRV030 Worm Gear Reducer Speed Ratio 20:1 RV30 Square Type for Nema23 Stepper Motor Output Hole 14mm Shaft NMRV-030

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**Shop now:** [https://www.desertcart.fi/products/454718594-8mm-to-11mm-stepper-motor-shaft-sleeve-8x11mm-bore-adapter](https://www.desertcart.fi/products/454718594-8mm-to-11mm-stepper-motor-shaft-sleeve-8x11mm-bore-adapter)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-27*