---
product_id: 101392289
title: "Join Ware 1/8\" Air Pneumatic Micro Grinder Pencil Type 70000 RPM Grinding Polishing Power Tool"
brand: "join ware"
price: "¥15677"
currency: JPY
in_stock: true
reviews_count: 1
url: https://www.desertcart.jp/products/101392289-join-ware-1-8-air-pneumatic-micro-grinder-pencil-type
store_origin: JP
region: Japan
---

# 90 PSI 1/8" Collet 70000 RPM Join Ware 1/8" Air Pneumatic Micro Grinder Pencil Type 70000 RPM Grinding Polishing Power Tool

**Brand:** join ware
**Price:** ¥15677
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Craft with Precision Power!

## Quick Answers

- **What is this?** Join Ware 1/8" Air Pneumatic Micro Grinder Pencil Type 70000 RPM Grinding Polishing Power Tool by join ware
- **How much does it cost?** ¥15677 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/101392289-join-ware-1-8-air-pneumatic-micro-grinder-pencil-type)

## Best For

- join ware enthusiasts

## Why This Product

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

## Key Features

- • **Precision Power:** Unleash 70000 RPM for flawless finishes.
- • **Ergonomic Design:** Lightweight at just 1.03 lbs for extended use.
- • **Coreless Vibration:** Experience smooth operation with minimal vibration.
- • **Low Air Consumption:** Efficiently operates at only 2 CFM.
- • **Versatile Applications:** Perfect for metal, plastic, stone, and wood.

## Overview

The Join Ware 1/8" Air Pneumatic Micro Grinder is a high-performance tool designed for precision grinding and polishing. With a maximum speed of 70000 RPM and an air pressure requirement of 90 PSI, this lightweight (1.03 lbs) tool is perfect for a variety of materials including metal, plastic, stone, and wood. Its sophisticated design ensures minimal vibration, allowing for long operational periods without fatigue.

## Description

Description:  All kinds of metal precision grinding.  Cleaning of various metals, chamfering, grinding, carving, internal processing.  Cutting plastic, stone, wood, etc., grinding, polishing.  Various types of welding surface grinding.  Our product helps maximize both the accuracy of the cut and the efficiency of your work, so you enjoy a well done job and the ability to complete more tasks in less time. Specification:  Max RPM: 70000RPM  Air Pressure: 90PSI  Air inlet: 1/4" NPT  Average air consumption: 2 CFM  Collet size: 1/8''（3mm）  Color: Show as pictures  Length of pen: 147mm  Material: Metal + Plastic  You can see more details on the picture. Package includes:  1Pc High-speed Grinding Pen  1Pc Air inlet thread  1Pc Black Hose  2Pcs Hand Wrenches Note:  Please check the goods' appearance, size and shape carefully and then compare to your original goods before ordering, thank you.  Different light and placement may cause a little different from item's color from the real one in the picture.  Since the size above is measured by hand, the item you received maight be slightly different from the picture. Please don't mind, thank you!

## Features

- Max RPM :70000RPM Air Pressure:90PSI Air inlet: 1/4" NPT Average air consumption: 2 CFM Collet size: 1/8''（3mm） Color: Show as pictures. Length of pen ：147mm
- All kinds of metal precision grinding. A variety of metal cleaning, chamfering, grinding, sculpture, internal processing.
- High-speed rotation, can adapt to high-speed precision machining; Sophisticated interior design, coreless vibration, can be a long operation
- Using it with all kinds of grinding heads can clean, polish, remove burrs, grind, etc
- Cutting plastic, stone, wood, etc., grinding, polishing; Various types of welding surface grinding;

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Join Ware |
| Part Number | 201870043@G |
| Item Weight | 1.03 pounds |
| Is Discontinued By Manufacturer | No |
| Material | metal |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Join Ware 1/8" Air Pneumatic Micro Grinder Pencil Type 70000 RPM Grinding Polishing Power Tool - Image 1](https://m.media-amazon.com/images/I/51-tn6wFNyL.jpg)
![Join Ware 1/8" Air Pneumatic Micro Grinder Pencil Type 70000 RPM Grinding Polishing Power Tool - Image 2](https://m.media-amazon.com/images/I/51UyhnE8BjL.jpg)
![Join Ware 1/8" Air Pneumatic Micro Grinder Pencil Type 70000 RPM Grinding Polishing Power Tool - Image 3](https://m.media-amazon.com/images/I/51TdNmAfITL.jpg)
![Join Ware 1/8" Air Pneumatic Micro Grinder Pencil Type 70000 RPM Grinding Polishing Power Tool - Image 4](https://m.media-amazon.com/images/I/613tnIIYjgL.jpg)
![Join Ware 1/8" Air Pneumatic Micro Grinder Pencil Type 70000 RPM Grinding Polishing Power Tool - Image 5](https://m.media-amazon.com/images/I/518+nOoxlPL.jpg)

## Customer Reviews

### ⭐ 1.0 out of 5 stars







  
  
    Wrong air inlet fitting for USA air hoses
  

*by J***E on Reviewed in the United States on May 15, 2019*

Don’t buy this grinder in USA inlet fitting will not fit any air hoses. Description says air inlet is 1/4 npt it is not. Unusable. Company just wanted to fight unhelpful.

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-25*