---
product_id: 520990879
title: "4 Pack SBR20 Stopper Block, Positioning Block,20mm SBR20 UU LUU Mounting Ring Linear Rail Stop Collar Fixing Ring (SBR20 Stop Collar)"
brand: "iyuemps"
price: "Bs.424"
currency: BOB
in_stock: true
url: https://www.desertcart.bo/products/520990879-4-pack-sbr20-stopper-block-positioning-block-20mm-sbr20-uu
store_origin: BO
region: Bolivia
---

# Smooth, burr-free fine grinding Strong locking force & shock resistant High-quality aluminum alloy 4 Pack SBR20 Stopper Block, Positioning Block,20mm SBR20 UU LUU Mounting Ring Linear Rail Stop Collar Fixing Ring (SBR20 Stop Collar)

**Brand:** iyuemps
**Price:** Bs.424
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in precision, unlock your machine’s potential!

## Quick Answers

- **What is this?** 4 Pack SBR20 Stopper Block, Positioning Block,20mm SBR20 UU LUU Mounting Ring Linear Rail Stop Collar Fixing Ring (SBR20 Stop Collar) by iyuemps
- **How much does it cost?** Bs.424 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/520990879-4-pack-sbr20-stopper-block-positioning-block-20mm-sbr20-uu)

## Best For

- iyuemps enthusiasts

## Why This Product

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

## Key Features

- • **Lock It Down:** Strong locking force ensures your linear rail stays exactly where you need it—no slip, no shake.
- • **Smooth Operator:** Fine grinding process delivers burr-free, smooth surfaces for effortless installation and operation.
- • **Precision Perfected:** Engineered with high-grade aluminum alloy for corrosion resistance and durability.
- • **Versatile Powerhouse:** Ideal for transmission products, engraving machines, and precision instruments—upgrade your setup now.
- • **Quick Align & Install:** Designed for fast, hassle-free mounting so you can focus on what matters.

## Overview

The iYueMps 4 Pack SBR20 Stopper Blocks are precision-engineered aluminum alloy linear rail fixing rings designed for high durability, corrosion resistance, and smooth operation. Featuring strong locking force and shock resistance, these stop collars ensure secure positioning on linear rails, making them perfect for transmission systems, engraving machines, and other precision equipment.

## Description

4 Pack SBR20 Stopper Block, Positioning Block,20mm SBR20 UU LUU Mounting Ring Linear Rail Stop Collar Fixing Ring (SBR20 Stop Collar)

## Features

- The Linear Rail Fixing Ring is Made of High-quality Aluminum Alloy,Corrosion Protection and Wear-resistant
- Fine Grinding Process, Smooth Inside and Outside Without Burrs,Good Lubrication and Smooth Use
- The Stopper Block Can be Strongly Fixed on The Linear Rail, Shock Resistant,Strong Locking Force and High Precision
- The Linear Rail Stop Collar Upports are Quick Aligning Easy Installation and Convenient Operation
- Widely Used in Transmission Products, Linear Modules, Engraving Machines and Various Precision Instruments

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | iYueMps |
| Part number | IYM-3D-063x4 |
| Item Weight | 110 g |
| Package Dimensions | 14.2 x 10 x 1.1 cm; 110 g |
| Item model number | IYM-3D-063x4-EU |
| Size | Stop Collar |
| Colour | SBR20 |
| Style | Modern |
| Material | Aluminium |
| Batteries included? | No |
| Batteries Required? | No |

## Images

![4 Pack SBR20 Stopper Block, Positioning Block,20mm SBR20 UU LUU Mounting Ring Linear Rail Stop Collar Fixing Ring (SBR20 Stop Collar) - Image 1](https://m.media-amazon.com/images/I/61VXi0Hjv9L.jpg)
![4 Pack SBR20 Stopper Block, Positioning Block,20mm SBR20 UU LUU Mounting Ring Linear Rail Stop Collar Fixing Ring (SBR20 Stop Collar) - Image 2](https://m.media-amazon.com/images/I/51YtBJuVzCL.jpg)
![4 Pack SBR20 Stopper Block, Positioning Block,20mm SBR20 UU LUU Mounting Ring Linear Rail Stop Collar Fixing Ring (SBR20 Stop Collar) - Image 3](https://m.media-amazon.com/images/I/61m1wEyQQ5L.jpg)
![4 Pack SBR20 Stopper Block, Positioning Block,20mm SBR20 UU LUU Mounting Ring Linear Rail Stop Collar Fixing Ring (SBR20 Stop Collar) - Image 4](https://m.media-amazon.com/images/I/61uhZu6R79L.jpg)
![4 Pack SBR20 Stopper Block, Positioning Block,20mm SBR20 UU LUU Mounting Ring Linear Rail Stop Collar Fixing Ring (SBR20 Stop Collar) - Image 5](https://m.media-amazon.com/images/I/51F+zna+xtL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.bo/products/520990879-4-pack-sbr20-stopper-block-positioning-block-20mm-sbr20-uu](https://www.desertcart.bo/products/520990879-4-pack-sbr20-stopper-block-positioning-block-20mm-sbr20-uu)

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-02-25*