What is the actual tread size as I need to screw it into a drill chuck?

The thread you see is for the buff wheels or grinding wheel. The shaft from the motor goes in to the arbor. It's not designed for a drill chuck. But you can make someone work.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Shaft Arbor Extender 1/3" to 3/8" Motor Arbor Adapter Bench Grinder Extension Shaft Threaded Shaft Backing Kit for Polisher Sander Polishing Grinding Buffing Wheel Rotary（1 Left + 1 Right

Shaft Arbor Extender 1/3" to 3/8" Motor Arbor Adapter Bench Grinder Extension Shaft Threaded Shaft Backing Kit for Polisher Sander Polishing Grinding Buffing Wheel Rotary（1 Left + 1 Right

Product ID: 691528434

Details

Brand
Motcoda
Style
Angled
Manufacturer
HTYU

🔧1/3" to 3/8" conversion

⚙️Dual-threaded operation

🛠️Includes essential tools

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

€ 52.32

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Description

🔩 Elevate Your Grinding Game!

COMPREHENSIVE KIT - Includes everything you need: 1 left threaded shaft, 1 right threaded shaft, washers, wrench, and nuts.
DUAL FUNCTIONALITY - Simultaneously operate left and right-threaded shafts for maximum efficiency.
TRANSFORM YOUR TOOLS - Easily convert your motor into a versatile grinder and polisher.
USER FRIENDLY DESIGN - Quickly connect and tighten with a hexagonal wrench for hassle-free setup.
COMPACT LIGHTWEIGHT - Weighing only 191g, this tool is easy to handle and store.

The Motcoda Shaft Arbor Extender is a versatile motor arbor adapter kit designed to convert your motor shaft into a threaded shaft for polishing and grinding applications. This compact kit includes both left and right-threaded shafts, essential tools, and is perfect for enhancing your bench grinder's capabilities.

Reviews

G**R

Util

Me resultó muy util

1.09.2024

A**G

Solid. Good fit.

Worked great for a recent fabrication project. No issues.

4.03.2025

A**O

Muchas gracias.

Práctico

15.12.2023

N**O

Fácil de instalar

Excelente producto conforme gracias

7.06.2026

W**R

Sent back.

It fits an 8mm motor arbor. Correct verbiage in advertising would help !

19.10.2024

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

€ 52.32

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

View all Trustpilot reviews

Brand	Motcoda
Colour	Gray
Manufacturer	HTYU
Material	Metal
Style	Angled

Shaft Arbor Extender 1/3" to 3/8" Motor Arbor Adapter Bench Grinder Extension Shaft Threaded Shaft Backing Kit for Polisher Sander Polishing Grinding Buffing Wheel Rotary（1 Left + 1 Right

Details

Details

Description

Specifications

Reviews

Common Questions