---
product_id: 185878711
title: "8pcs 1/4\" to 1/8\" Precision Engraving Bit CNC Router Tool Adapter Convert for Engraving Machine ER Collet"
brand: "saipor"
price: "20.33 DT"
currency: TND
in_stock: false
reviews_count: 8
url: https://www.desertcart.tn/products/185878711-8pcs-1-4-to-1-8-precision-engraving-bit-cnc
store_origin: TN
region: Tunisia
---

# 8pcs set 1/4" to 1/8" conversion Spring steel durability 8pcs 1/4" to 1/8" Precision Engraving Bit CNC Router Tool Adapter Convert for Engraving Machine ER Collet

**Brand:** saipor
**Price:** 20.33 DT
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Elevate Your Engraving Game!

## Quick Answers

- **What is this?** 8pcs 1/4" to 1/8" Precision Engraving Bit CNC Router Tool Adapter Convert for Engraving Machine ER Collet by saipor
- **How much does it cost?** 20.33 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/185878711-8pcs-1-4-to-1-8-precision-engraving-bit-cnc)

## Best For

- saipor enthusiasts

## Why This Product

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

## Key Features

- • **Enhanced Stability:** Experience superior gripping stability for flawless engraving.
- • **User-Friendly Design:** Simple construction ensures effortless operation for all skill levels.
- • **Precision Engineering:** Crafted from high-quality spring steel for unmatched durability.
- • **Versatile Compatibility:** Seamlessly converts 1/4" to 1/8" for diverse CNC applications.
- • **Long-Lasting Performance:** Built to withstand abrasion, ensuring longevity in your projects.

## Overview

The Saipor 8pcs 1/4" to 1/8" Precision Engraving Bit CNC Router Tool Adapter is designed for professionals seeking reliability and precision. Made from high-quality spring steel, this set offers exceptional durability and flexibility, making it ideal for various CNC machine applications. With its user-friendly design and enhanced gripping stability, it ensures a seamless engraving experience.

## Description

Specifications:Material: SteelSize: 1/4” to 1/8”Total length: 0.94”Suitable for engraving machine ER colletPackage include:8 x Engraving Bit CNC Router Tool Adapter

Review: Excellent - Spent ages trying to source a reducer sleeve this size, received them next day and are of good quality and ground finish Perfect solution for my engraving with router having a 1/4’ collet and 1/8” cnc cutters
Review: Engraving - These are great.

## Features

- Spring steel material, extra long life, good flexibility and resistance to abrasion.
- Clamping force, high accuracy, good gripping stability
- For CNC machine tool chuck conversion, conversion size: 1/4” to 1/8”
- 8pcs CNC router tool Adapter to meet your need; simple construction,nice operation.
- Commonly used in the engraving machine spindle motor folder knife, with the engraving machine collets use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B084QBVK1H |
| Best Sellers Rank | 315,132 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,881 in Router Accessories & Parts |
| Brand | Saipor |
| Capacity | 0.25 inches |
| Compatible Devices | CNC Machines, Engraving Machines |
| Customer Reviews | 4.4 4.4 out of 5 stars (135) |
| Handle Type | hand-tightened |
| Included Components | 8 x Engraving Bit CNC Router Tool Adapter |
| Item Diameter | 0.32 Inches |
| Lock Type | Manual |
| Manufacturer | Saipor |
| Material | Alloy Steel |
| Thread Size | 1/4-20 UNC or 1/8-40 UNC |
| UPC | 726972673584 |

## Product Details

- **Brand:** Saipor
- **Compatible devices:** CNC Machines, Engraving Machines
- **Item diameter:** 0.32 Inches
- **Material:** Alloy Steel
- **Thread size:** 1/4-20 UNC or 1/8-40 UNC

## Images

![8pcs 1/4" to 1/8" Precision Engraving Bit CNC Router Tool Adapter Convert for Engraving Machine ER Collet - Image 1](https://m.media-amazon.com/images/I/61eH58BItML.jpg)
![8pcs 1/4" to 1/8" Precision Engraving Bit CNC Router Tool Adapter Convert for Engraving Machine ER Collet - Image 2](https://m.media-amazon.com/images/I/51lWkSE5xjL.jpg)
![8pcs 1/4" to 1/8" Precision Engraving Bit CNC Router Tool Adapter Convert for Engraving Machine ER Collet - Image 3](https://m.media-amazon.com/images/I/51cepMZbpRL.jpg)
![8pcs 1/4" to 1/8" Precision Engraving Bit CNC Router Tool Adapter Convert for Engraving Machine ER Collet - Image 4](https://m.media-amazon.com/images/I/51q2wDGg89L.jpg)
![8pcs 1/4" to 1/8" Precision Engraving Bit CNC Router Tool Adapter Convert for Engraving Machine ER Collet - Image 5](https://m.media-amazon.com/images/I/51NFXZxqsmL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent
*by M***N on 28 April 2021*

Spent ages trying to source a reducer sleeve this size, received them next day and are of good quality and ground finish Perfect solution for my engraving with router having a 1/4’ collet and 1/8” cnc cutters

### ⭐⭐⭐⭐ Engraving
*by A***R on 19 May 2023*

These are great.

### ⭐⭐⭐⭐⭐ Well made fit for purpose.
*by A***R on 14 September 2024*

Arrived on time, allowing the use of 1/8" shank router bits in a 1/4" router.

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**Shop now:** [https://www.desertcart.tn/products/185878711-8pcs-1-4-to-1-8-precision-engraving-bit-cnc](https://www.desertcart.tn/products/185878711-8pcs-1-4-to-1-8-precision-engraving-bit-cnc)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-05-30*