---
product_id: 65521208
title: "R440 Series Bob Spherical Copper Float, 1/4\"-20 SAE Female Spud, 4\" Diameter, 0.80 lbs Buoyancy"
brand: "robert manufacturing"
price: "R122"
currency: ZAR
in_stock: false
reviews_count: 3
url: https://www.desertcart.co.za/products/65521208-r440-series-bob-spherical-copper-float-1-4-20-sae
store_origin: ZA
region: South Africa
---

# 0.80 lbs buoyancy for reliable floatation Precision 1/4"-20 SAE female spud Lead-free solder for safety R440 Series Bob Spherical Copper Float, 1/4"-20 SAE Female Spud, 4" Diameter, 0.80 lbs Buoyancy

**Brand:** robert manufacturing
**Price:** R122
**Availability:** ❌ Out of Stock

## Summary

> 🌟 Float Above the Rest with Precision Copper Craftsmanship!

## Quick Answers

- **What is this?** R440 Series Bob Spherical Copper Float, 1/4"-20 SAE Female Spud, 4" Diameter, 0.80 lbs Buoyancy by robert manufacturing
- **How much does it cost?** R122 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/65521208-r440-series-bob-spherical-copper-float-1-4-20-sae)

## Best For

- robert manufacturing enthusiasts

## Why This Product

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

## Key Features

- • **Optimal Buoyancy:** Precisely engineered 0.80 lbs buoyancy guarantees consistent water level control
- • **Proudly Made in USA:** Crafted with quality and reliability you can trust, supporting local manufacturing
- • **Eco-Safe Craftsmanship:** Lead-free solder ensures safer, cleaner operation in open tank environments
- • **Universal Compatibility:** Standard 1/4"-20 SAE female spud fits effortlessly with male-threaded stems
- • **Seamless Spherical Design:** Two copper halves expertly soldered with inside lapping joint for unmatched durability

## Overview

The R440 Series Bob Spherical Copper Float features a robust 4" diameter copper sphere, soldered with a lead-free inside lapping joint for enhanced durability. Designed for open tank service, it includes a 1/4"-20 SAE female spud connection compatible with male-threaded stems, delivering reliable 0.80 lbs buoyancy for precise water level management. Proudly made in the USA, this float combines traditional craftsmanship with modern safety standards.

## Description

Two copper float halves soldered together using an inside lapping joint. 1/4"-20 SAE spud connection. Female thread spud connection (for male thread on stem). Lead-free solder. For open tank service only. Made in USA.

## Features

- Spherical Copper Float
- Two copper float halves soldered together using an inside lapping joint
- Lead-free solder
- For open tank service only
- Not compliant with CA Prop 65 or Safe Water Drinking Act

## Images

![R440 Series Bob Spherical Copper Float, 1/4"-20 SAE Female Spud, 4" Diameter, 0.80 lbs Buoyancy - Image 1](https://m.media-amazon.com/images/I/91mVEFcOaNL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best off All Made in the U.S.A.
*by A***R on April 29, 2018*

Well made. I use it in my cattle water trough. Tough. Rancher David

### ⭐⭐⭐ Quality float
*by T***S on August 9, 2019*

Pretty good just not for the money

### ⭐⭐⭐⭐ Good float
*by V***M on December 22, 2016*

Works great in my outdoor wood furnace, as a fluid level indicator

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**Shop now:** [https://www.desertcart.co.za/products/65521208-r440-series-bob-spherical-copper-float-1-4-20-sae](https://www.desertcart.co.za/products/65521208-r440-series-bob-spherical-copper-float-1-4-20-sae)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-18*