---
product_id: 651410065
title: "12mm Motor Arbor Adapter Bench Grinder Extension Shaft Arbor Extender for Polisher Sander Polishing Grinding Buffing Wheel Rotary"
brand: "seiwei"
price: "$U1231"
currency: UYU
in_stock: true
reviews_count: 9
category: "Seiwei"
url: https://www.desertcart.uy/products/651410065-12mm-motor-arbor-adapter-bench-grinder-extension-shaft-arbor-extender
store_origin: UY
region: Uruguay
---

# Complete accessory kit 12mm precision fit Corrosion-resistant metal 12mm Motor Arbor Adapter Bench Grinder Extension Shaft Arbor Extender for Polisher Sander Polishing Grinding Buffing Wheel Rotary

**Brand:** seiwei
**Price:** $U1231
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your grind game—extend, adapt, and polish like a pro!

## Quick Answers

- **What is this?** 12mm Motor Arbor Adapter Bench Grinder Extension Shaft Arbor Extender for Polisher Sander Polishing Grinding Buffing Wheel Rotary by seiwei
- **How much does it cost?** $U1231 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/651410065-12mm-motor-arbor-adapter-bench-grinder-extension-shaft-arbor-extender)

## Best For

- seiwei enthusiasts

## Why This Product

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

## Key Features

- • **Durable Metal Build:** Crafted from high-hardness, rust-resistant metal to ensure long-lasting performance.
- • **Seamless 12mm Extension:** Effortlessly convert your bench grinder spindle for versatile polishing and grinding.
- • **Universal Compatibility:** Perfect for polishing wheels, grinding wheels, wire brushes, and drill chucks—expand your tool’s potential.
- • **Secure & Stable Operation:** Hex spanner tightening and dual washers guarantee a rock-solid connection during high-speed buffing.
- • **All-in-One Installation Kit:** Includes motor shaft adapter, washers, spanner, and nut for quick, hassle-free setup.

## Overview

This 12mm Motor Arbor Adapter Bench Grinder Extension Shaft is a premium metal accessory designed to extend and adapt your bench grinder spindle for polishing, sanding, and grinding tasks. Featuring a complete installation kit and corrosion-resistant construction, it ensures a secure fit and versatile use with various polishing and grinding wheels, making it an essential upgrade for professionals seeking precision and durability.

## Description

Specification: Name: Grinder Extension ShaftMaterial: MetalSize: As ShownPackage Include: 1 * Grinder Extension Shaft

Review: Perfect - Perfect for my bench belt sander attachment
Review: Good quality - Just the job

## Features

- 【Package Includes】Grinder extension shaft set includes 1 motor shaft adapter, 2 washers, 1 spanner, 1 nut, complete with accessories for easy use, installation and replacement.
- 【Function】Motor arbor adapter is primarily used to convert a bench grinder spindle adapter to an extension spindle, a motor spindle extension spindle to a threaded spindle polisher, or a grinder extension spindle to a threaded spindle polisher.
- 【Easy To Install】Attach the bench grinder extension shaft to the motor spindle or grinder spindle as required, then use a hexagonal spanner to securely tighten the hide screws, and finally clamp the buffing/sanding wheel and so on with 2 washers, tighten the nut and start polishing.
- 【Material】Grinder extension shafts are made of high-quality metal with good hardness and compression resistance for a solid connection; high-quality metal with a blackened surface has good corrosion and rust resistance for long-term use.
- 【Wide Application】Motor arbor adapter is used for mounting polishing wheels, grinding wheels, bristle wheels, wire brush wheels and drill chucks, which is a versatile extension shaft for mould and die milling machines and bench polishing shafts.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D7X6SXSP |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 215,225 in DIY & Tools ( See Top 100 in DIY & Tools ) 353 in Polishing Accessories |
| Colour | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (16) |
| Date First Available | 24 Jun. 2024 |
| Item Package Quantity | 1 |
| Item Weight | 98 g |
| Item model number | 3f9a772a-41c4-41d4-b7f7-a7ff4e65d24f |
| Manufacturer | SEIWEI |
| Material | Metal |
| Package Dimensions | 17 x 14 x 2.5 cm; 98 g |
| Part Number | QSN-DC-240624B3 |
| Power Source | Corded Electric |
| Size | 12mm |
| Style | Pencil |

## Product Details

- **Brand:** SEIWEI
- **Colour:** Black
- **Material:** Metal
- **Power source:** Corded Electric
- **Style:** Pencil

## Images

![12mm Motor Arbor Adapter Bench Grinder Extension Shaft Arbor Extender for Polisher Sander Polishing Grinding Buffing Wheel Rotary - Image 1](https://m.media-amazon.com/images/I/413rqHvCGhL.jpg)
![12mm Motor Arbor Adapter Bench Grinder Extension Shaft Arbor Extender for Polisher Sander Polishing Grinding Buffing Wheel Rotary - Image 2](https://m.media-amazon.com/images/I/4167ZP18j3L.jpg)
![12mm Motor Arbor Adapter Bench Grinder Extension Shaft Arbor Extender for Polisher Sander Polishing Grinding Buffing Wheel Rotary - Image 3](https://m.media-amazon.com/images/I/41HM86rW2SL.jpg)
![12mm Motor Arbor Adapter Bench Grinder Extension Shaft Arbor Extender for Polisher Sander Polishing Grinding Buffing Wheel Rotary - Image 4](https://m.media-amazon.com/images/I/41roGcgnqqL.jpg)
![12mm Motor Arbor Adapter Bench Grinder Extension Shaft Arbor Extender for Polisher Sander Polishing Grinding Buffing Wheel Rotary - Image 5](https://m.media-amazon.com/images/I/41z9ZtP0JXL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by D***J on 6 January 2026*

Perfect for my bench belt sander attachment

### ⭐⭐⭐⭐⭐ Good quality
*by D***N on 14 October 2025*

Just the job

### ⭐⭐⭐⭐⭐ Good quality
*by A***N on 12 September 2025*

Easy to fit

## Frequently Bought Together

- 12mm Motor Arbor Adapter Bench Grinder Extension Shaft Arbor Extender for Polisher Sander Polishing Grinding Buffing Wheel Rotary
- Silverline 107879 Polishing Compound 500g Fine Blue
- Swpeet 6Pcs 6 Inch Professional Buffing Polishing Wheels with 3 Colors Polishing Compounds Kit, Including Cotton (60 Ply), Yellow (42 Ply) and Flannel (30 Ply) with 1/2” Arbor Wheel for Bench Grindes

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-03-08*