---
product_id: 387783549
title: "Hollow 3\" steel ball weldable DIY project component (5-pack)"
brand: "weldiy"
price: "€ 14.94"
currency: EUR
in_stock: false
url: https://www.desertcart.fr/products/387783549-hollow-3-steel-ball-weldable-diy-project-component-5-pack
store_origin: FR
region: France
---

# 5-pack bundle for multiple creations 3" hollow steel ball, 1/8" thick Weldable low-carbon steel for DIY projects Hollow 3" steel ball weldable DIY project component (5-pack)

**Brand:** weldiy
**Price:** € 14.94
**Availability:** ❌ Out of Stock

## Summary

> 🛠️ Build Bold, Weld Brilliant – Your DIY Game-Changer!

## Quick Answers

- **What is this?** Hollow 3" steel ball weldable DIY project component (5-pack) by weldiy
- **How much does it cost?** € 14.94 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/387783549-hollow-3-steel-ball-weldable-diy-project-component-5-pack)

## Best For

- weldiy enthusiasts

## Why This Product

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

## Key Features

- • **Bulk 5-Pack Convenience:** Stock up and never run out mid-project
- • **Show Off Your Masterpiece:** Leave a photo review and join the maker community
- • **Creative Freedom Unleashed:** Build ninja warrior grips, garden accents, or unique decor
- • **Ready-to-Weld Low-Carbon Steel:** Designed for easy welding and durable builds
- • **Versatile 3" Hollow Steel Sphere:** Perfect for fitness grips, fence finials, or custom art

## Overview

This 5-pack of 3-inch hollow steel balls, crafted from 1/8" thick low-carbon steel, offers weld-ready components ideal for DIY enthusiasts. Perfect for creating fitness tools, decorative fence posts, or custom projects, these durable spheres empower your creativity with quality and convenience.

## Description

3-in hollow steel ball manufactured from low-carbon steel, ready to weld. these are not precision ball bearings, these are hollow (1/8" thick steel) and meant for decorative or low-precision work.

## Features

- DIY welding project component - 3" hollow steel ball
- With a welder & imagination, you can build anything; we supply the hard to find components so nothing gets in your way
- 3" steel balls commonly used to make fitness & ninja warrior grip training tools
- 3" steel ball works well as a fence post finial or any decorative element in a project
- Leave a photo in your review and show us what you built using these 3 inch spheres

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Columbus Design & Manufacturing, LLC |
| Part number | 300BL-5 |
| Item Weight | 367 g |
| Product Dimensions | 7.62 x 7.62 x 7.62 cm; 367.41 g |
| Item model number | 300BL-5 |
| Material | Metal |
| Shape | Circular |
| Item Package Quantity | 5 |
| Number Of Pieces | 5 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Hollow 3" steel ball weldable DIY project component (5-pack) - Image 1](https://m.media-amazon.com/images/I/81ezBJScAAL.jpg)
![Hollow 3" steel ball weldable DIY project component (5-pack) - Image 2](https://m.media-amazon.com/images/I/71oXIVUbzHL.jpg)
![Hollow 3" steel ball weldable DIY project component (5-pack) - Image 3](https://m.media-amazon.com/images/I/81K3rnO+z3L.jpg)

## Questions & Answers

**Q: Are these available in stainless steel?**
A: No.

**Q: Are these available in 3/4"?**
A: 3" ball

**Q: How much does each sphere weigh?**
A: 13oz, just under 1 pound

**Q: Are these threaded? If so, what size screw?**
A: These are not threaded. They are hollow and are meant for welding.

## Frequently Bought Together

- Hollow 3" steel ball weldable DIY project component (5-pack)
- Hakko CHP-170 - Micro Soft Wire Cutter
- Thermaltronics TMT-TC-2 Tip Tinner (20g) in 0.8oz Container

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**Shop now:** [https://www.desertcart.fr/products/387783549-hollow-3-steel-ball-weldable-diy-project-component-5-pack](https://www.desertcart.fr/products/387783549-hollow-3-steel-ball-weldable-diy-project-component-5-pack)

---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-02-25*