---
product_id: 638453311
title: "Steel 1/2\" NPT Weld On Stepped Bung Female Nut Threaded Weldable .5 in. NPT for Automotive, Industrial, Plumbing, Barbecue Themometer Installation Kit Oil Pan Racing (2)"
brand: "lavalock"
price: "$57"
currency: NZD
in_stock: true
reviews_count: 9
category: "Lava Lock"
url: https://www.desertcart.nz/products/638453311-steel-1-2-npt-weld-on-stepped-bung-female-nut
store_origin: NZ
region: New Zealand
---

# 1/2" NPT Female Threaded Precision Stepped Flanged Design for Flawless Welds Heavy-Duty Alloy Steel Construction Steel 1/2" NPT Weld On Stepped Bung Female Nut Threaded Weldable .5 in. NPT for Automotive, Industrial, Plumbing, Barbecue Themometer Installation Kit Oil Pan Racing (2)

**Brand:** lavalock
**Price:** $57
**Availability:** ✅ In Stock

## Summary

> 🔥 Weld Like a Pro, Fit Like a Boss! 🔩

## Quick Answers

- **What is this?** Steel 1/2" NPT Weld On Stepped Bung Female Nut Threaded Weldable .5 in. NPT for Automotive, Industrial, Plumbing, Barbecue Themometer Installation Kit Oil Pan Racing (2) by lavalock
- **How much does it cost?** $57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/638453311-steel-1-2-npt-weld-on-stepped-bung-female-nut)

## Best For

- lavalock enthusiasts

## Why This Product

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

## Key Features

- • **Stepped Flanged Bung:** Engineered flange ensures warp-free, professional-grade welds every time.
- • **Compact & Ready to Weld:** 1.13" diameter and 1" tall, designed for easy installation without compromising strength.
- • **Robust Alloy Steel Build:** Durable steel withstands high heat and pressure, built to last in demanding environments.
- • **Versatile Industrial Use:** Perfect for automotive, plumbing, racing, and homebrew setups—one part, endless possibilities.
- • **Precision 1/2" NPT Threading:** Seamlessly fits all LavaLock & Tel-Tru BBQ thermometers for instant compatibility.

## Overview

The LavaLock 1/2" NPT Female Stepped Bung is a premium alloy steel weld-on fitting designed for flawless, warp-free installation. Ideal for automotive, industrial, and BBQ thermometer applications, its stepped flange ensures superior weld quality while its precise threading guarantees compatibility with leading thermometer brands. Compact yet heavy-duty, this bung is the go-to choice for professionals demanding reliability and performance.

## Description

LavaLock Female Stepped Bung 1/2" NPT threaded is great for any installation requiring a weld on STEEL bung. These are commonly used on oil pans, barbecue thermomter installation kits for LavaLock and Tel Tru, radiator overflow tanks, racing applications, home brew, plumbing and other industrial or automotive applications. It is flanged to weld evenly, threaded and bare steel. Also similar to Moroso 227737 with an added flange for quality welds withour any chance of warpage or thread damage. Check fitment before welding. Important information Legal Disclaimer Actual product packaging and materials may contain more, less and/or different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please also see our full disclaimer before use.

Review: They weld pretty good, 3 welds better - I use them for a compressor built and they welded pretty good, but for the tank drain had to cut them so they didn't go to far in and prevent water from dragging
Review: Great product, right price! - Perfect and easy to weld on.

## Features

- 1/2" threaded NPT Female Stepped (flanged) bung - STEEL
- Weldable steel bung, Stepped for quality welds
- .5" NPT bung Suitable for BBQ thermometer installation, oil pans, automotive, radiators, overflow tanks, home brew and other steel fittings.
- Works with all LavaLock 1/2" NPT and Tel-Tru 1/2" NPT BBQ thermometers
- 1-1/8" diameter, 1" tall Heavy duty quality steel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D5NDN72N |
| Best Sellers Rank | #25,972 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #99 in Nut & Bolt Assortment Sets |
| Brand | LavaLock |
| Color | Steel |
| Date First Available | August 16, 2018 |
| Exterior Finish | Steel |
| Fastener Type | Coupling |
| Inside Thread Size | 1/2"-14 |
| Item Diameter | 1.13 Inches |
| Item Weight | 3.84 ounces |
| Item model number | LL_1/2NPT_BUNG |
| Manufacturer | Island Outdoor, LLC |
| Material | Alloy Steel |
| Metal Type | Alloy Steel |
| Size | 1/2" NPT |
| Thread Coverage | Fully Threaded |
| Thread Size | 1/2"-14 |
| Thread Style | Right Hand |
| UPC | 690996753822 |

## Product Details

- **Color:** Steel
- **Exterior Finish:** Steel
- **Fastener Type:** Coupling
- **Material:** Alloy Steel
- **Thread Size:** 1/2"-14

## Images

![Steel 1/2" NPT Weld On Stepped Bung Female Nut Threaded Weldable .5 in. NPT for Automotive, Industrial, Plumbing, Barbecue Themometer Installation Kit Oil Pan Racing (2) - Image 1](https://m.media-amazon.com/images/I/41JkCdbO91L.jpg)
![Steel 1/2" NPT Weld On Stepped Bung Female Nut Threaded Weldable .5 in. NPT for Automotive, Industrial, Plumbing, Barbecue Themometer Installation Kit Oil Pan Racing (2) - Image 2](https://m.media-amazon.com/images/I/515EDM7hlAL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ They weld pretty good, 3 welds better
*by P***G on December 5, 2025*

I use them for a compressor built and they welded pretty good, but for the tank drain had to cut them so they didn't go to far in and prevent water from dragging

### ⭐⭐⭐⭐⭐ Great product, right price!
*by E***R on November 11, 2019*

Perfect and easy to weld on.

### ⭐⭐⭐⭐⭐ Perfect for auxillary fitting
*by B***D on June 19, 2023*

Well made and ready to weld after drilling a suitable size hole

## Frequently Bought Together

- Steel 1/2" NPT Weld On Stepped Bung Female Nut Threaded Weldable .5 in. NPT for Automotive, Industrial, Plumbing, Barbecue Themometer Installation Kit Oil Pan Racing (2)
- Tel-Tru BQ300 Barbecue Thermometer, 3 inch Black dial with Zones, 4 inch stem, 100/500 Degrees F

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.nz/products/638453311-steel-1-2-npt-weld-on-stepped-bung-female-nut](https://www.desertcart.nz/products/638453311-steel-1-2-npt-weld-on-stepped-bung-female-nut)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-20*