---
product_id: 50389108
title: "Lathe Machine Attachment- Turns Round Concave and Convex Metal-Wood Ball Quickly DIY Tool"
brand: "assorts"
price: "€ 131.00"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/50389108-lathe-machine-attachment-turns-round-concave-and-convex-metal-wood
store_origin: IT
region: Italy
---

# Dual imperial & metric scale for precise ball sizing Smooth bearing base for flawless rotation Fits mini & larger lathes with easy height adjustment Lathe Machine Attachment- Turns Round Concave and Convex Metal-Wood Ball Quickly DIY Tool

**Brand:** assorts
**Price:** € 131.00
**Availability:** ✅ In Stock

## Summary

> ⚙️ Turn your DIY projects into precision art with every spin!

## Quick Answers

- **What is this?** Lathe Machine Attachment- Turns Round Concave and Convex Metal-Wood Ball Quickly DIY Tool by assorts
- **How much does it cost?** € 131.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/50389108-lathe-machine-attachment-turns-round-concave-and-convex-metal-wood)

## Best For

- assorts enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Scale Calibration:** Imperial and metric graduations provide quick, reliable reference for consistent sizing.
- • **Durable & Ready to Use:** Includes 2 premium 3-sided TNMG16 indexable tips designed for both internal and external turning.
- • **Smooth & Stable Operation:** Exclusive bearing base ensures ultra-smooth rotation for flawless finishes every time.
- • **Universal Lathe Compatibility:** Seamlessly fits small lathes and adapts to larger machines via simple packing adjustments.
- • **Precision Ball Turning Mastery:** Craft perfect round, concave, and convex metal or wood balls up to 55mm diameter with ease.

## Overview

This Lathe Machine Attachment by Global Tools is engineered for mini lathes but adaptable to larger machines, enabling quick and precise turning of metal or wood balls up to 55mm diameter. Featuring a smooth bearing base for flawless rotation, it comes with dual imperial and metric scales for easy size calibration and includes two durable TNMG16 indexable tips for versatile internal and external turning.

## Description



## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Global Tools |
| Part number | BT-O-S |
| Item Weight | 1.48 kg |
| Product Dimensions | 16 x 13 x 11 cm; 1.48 kg |
| Item model number | AST01 |
| Material | Metal |
| Item thickness | 15 Millimetres |
| Item Package Quantity | 1 |
| Specification met | ABEC 1 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** ASSORTS
- **Material:** Metal
- **Item dimensions L x W x H:** 16 x 13 x 11 centimetres
- **Item weight:** 1.48 kg
- **Item thickness:** 15 Millimetres

## Images

![Lathe Machine Attachment- Turns Round Concave and Convex Metal-Wood Ball Quickly DIY Tool - Image 1](https://m.media-amazon.com/images/I/71zaFkrRWDL.jpg)
![Lathe Machine Attachment- Turns Round Concave and Convex Metal-Wood Ball Quickly DIY Tool - Image 2](https://m.media-amazon.com/images/I/61C2icqlksL.jpg)
![Lathe Machine Attachment- Turns Round Concave and Convex Metal-Wood Ball Quickly DIY Tool - Image 3](https://m.media-amazon.com/images/I/615FBU8E9LL.jpg)
![Lathe Machine Attachment- Turns Round Concave and Convex Metal-Wood Ball Quickly DIY Tool - Image 4](https://m.media-amazon.com/images/I/71xaO28cZpL.jpg)
![Lathe Machine Attachment- Turns Round Concave and Convex Metal-Wood Ball Quickly DIY Tool - Image 5](https://m.media-amazon.com/images/I/715D63VidFL.jpg)

## Questions & Answers

**Q: What is the vertical distance from cutting tool tip to bottom of base?**
A: Over all 2.060" with 1.650 to the top of the base plate, 0.410" for base plate. Mounting holes are 0.325" and counter sunk 0.225"

**Q: Will this work on a Sherline lathe?**
A: its a little large and tall to fit a sherline but you may be able to thin down the base to get the centerlines to match up and fab a mount to fix it to your cross slide, its actually designed to fit a 7 inch swing or larger lathe

**Q: How use on my victor 2060 lathe**
A: The attachment is ok but I had to take time to make a custom mount to hold it at the correct height and adapt it to where my tool post usually sits .   The bearing is not perfectly tight , but it works good enough for my needs .  Took som time to make the mount work however . Good luck

**Q: Will it fit a harbor freight 7x10 mini lathe?**
A: In a word yes, but you will need to crate a way to mount it to the cross slide

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.it/products/50389108-lathe-machine-attachment-turns-round-concave-and-convex-metal-wood](https://www.desertcart.it/products/50389108-lathe-machine-attachment-turns-round-concave-and-convex-metal-wood)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-01-27*