---
product_id: 11539589
title: "Weldcote Metals High Pressure Oxygen/Inert Gas Cylinder Cap Coarse Thread 3-1/8 x 7"
brand: "weldcote metals"
price: "244 Lei"
currency: RON
in_stock: true
reviews_count: 5
category: "Weldcote Metals"
url: https://www.desertcart.ro/products/11539589-weldcote-metals-high-pressure-oxygen-inert-gas-cylinder-cap-coarse
store_origin: RO
region: Romania
---

# Durable primer red finish for visibility & protection 3-1/8" coarse thread, 7 TPI High-pressure safety cap for 80-330 cf cylinders Weldcote Metals High Pressure Oxygen/Inert Gas Cylinder Cap Coarse Thread 3-1/8 x 7

**Brand:** weldcote metals
**Price:** 244 Lei
**Availability:** ✅ In Stock

## Summary

> 🛠️ Lock in safety, thread with confidence!

## Quick Answers

- **What is this?** Weldcote Metals High Pressure Oxygen/Inert Gas Cylinder Cap Coarse Thread 3-1/8 x 7 by weldcote metals
- **How much does it cost?** 244 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/11539589-weldcote-metals-high-pressure-oxygen-inert-gas-cylinder-cap-coarse)

## Best For

- weldcote metals enthusiasts

## Why This Product

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

## Key Features

- • **Precision Thread Fit:** Engineered 3-1/8" diameter with 7 threads per inch ensures a secure, leak-proof seal every time.
- • **Trusted Safety Compliance:** A must-have for safe transport and storage, preventing costly accidents and downtime.
- • **Vibrant Primer Red Finish:** Eye-catching color not only boosts visibility but also resists wear and corrosion on the job site.
- • **Robust Stainless Steel Build:** Crafted from premium stainless steel for long-lasting durability under extreme conditions.
- • **Universal High-Pressure Protection:** Compatible with oxygen and inert gas cylinders from 80 to 330 cubic feet—your go-to safety essential.

## Overview

The Weldcote Metals High Pressure Oxygen/Inert Gas Cylinder Cap features a coarse 3-1/8" diameter thread with 7 threads per inch, designed to securely fit high-pressure cylinders ranging from 80 to 330 cubic feet. Made from durable stainless steel and finished in primer red for enhanced visibility and corrosion resistance, this cap is an essential safety accessory for professionals handling compressed gas cylinders.

## Description

WARNING: THIS PRODUCT CONTAINS ONE OR MORE CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM. WASH HANDS AFTER HANDLING. Course Thread Replacement HP Gas Cylinder Cap. Caps For High-Pressure Cylinder 80 Through 330 cubic Ft. Cap I.D. is 3 1/4. Threads: 7 per inch.

Review: Does what it's supposed to do - It's a high pressure gas cylinder cap. You should never transport a welding bottle without a safety cap. Make sure you have the right size and thread pitch for your application. I bought this one for a 280 cf oxygen bottle. It fits just fine, and there are no obvious defects.
Review: Five Stars - Good value for gas safety. Fits fine and takes a paint job like a champ.

## Features

- Cylinder Cap.
- High Pressure Coarse Thread 3 1/8"- 7.
- Primer Red.
- We carry a complete of compressed gas tools and accessories.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00IN6LKS4 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #421,380 in Automotive ( See Top 100 in Automotive ) #54 in Welding Fuel Cylinders |
| Brand | Weldcote Metals |
| Color | Primer Red |
| Customer Reviews | 4.5 4.5 out of 5 stars (21) |
| Date First Available | July 1, 2011 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1 pounds |
| Item dimensions L x W x H | 6 x 1 x 1 inches |
| Item model number | CYLCAPOC318X |
| Manufacturer | Weldcote Metals |
| Manufacturer Part Number | CYLCAPOC318X |
| Material | Stainless Steel |
| Product Dimensions | 6 x 1 x 1 inches |
| Style | Modern |
| UPC | 877511004571 |
| Vehicle Service Type | Universal |

## Product Details

- **Brand:** Weldcote Metals
- **Color:** Primer Red
- **Item dimensions L x W x H:** 6 x 1 x 1 inches
- **Material:** Stainless Steel
- **Vehicle Service Type:** Universal

## Images

![Weldcote Metals High Pressure Oxygen/Inert Gas Cylinder Cap Coarse Thread 3-1/8 x 7 - Image 1](https://m.media-amazon.com/images/I/215KHZneEJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Does what it's supposed to do
*by B***A on December 16, 2019*

It's a high pressure gas cylinder cap. You should never transport a welding bottle without a safety cap. Make sure you have the right size and thread pitch for your application. I bought this one for a 280 cf oxygen bottle. It fits just fine, and there are no obvious defects.

### ⭐⭐⭐⭐⭐ Five Stars
*by W***N on October 12, 2017*

Good value for gas safety. Fits fine and takes a paint job like a champ.

### ⭐⭐⭐⭐⭐ Perfect fit
*by D***G on May 5, 2017*

Fit perfectly.

## Frequently Bought Together

- Weldcote Metals High Pressure Oxygen/Inert Gas Cylinder Cap Coarse Thread 3-1/8 x 7
- Weldcote Metals Acetylene Cylinder Cap Fine Thread 3-1/2 x 11
- Weldcote Metals High Pressure Oxygen/Inert Gas Cylinder Cap Fine Thread 3-1/8 x 11

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-14*