---
product_id: 753695495
title: "Steel Drain Test Pipe Bung/Plug 16\" (400mm) Plumbing Stop Tube Blanking Cap"
brand: "ab tools"
price: "€ 405.00"
currency: EUR
in_stock: true
reviews_count: 13
category: "Ab Tools"
url: https://www.desertcart.hr/products/753695495-steel-drain-test-pipe-bung-plug-16-400mm-plumbing-stop
store_origin: HR
region: Croatia
---

# Air & water testing ready Fits 16" (400mm) pipes Centre locking steel plate Steel Drain Test Pipe Bung/Plug 16" (400mm) Plumbing Stop Tube Blanking Cap

**Brand:** ab tools
**Price:** € 405.00
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock it down, test it right — the pro’s choice for flawless plumbing!

## Quick Answers

- **What is this?** Steel Drain Test Pipe Bung/Plug 16" (400mm) Plumbing Stop Tube Blanking Cap by ab tools
- **How much does it cost?** € 405.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/753695495-steel-drain-test-pipe-bung-plug-16-400mm-plumbing-stop)

## Best For

- ab tools enthusiasts

## Why This Product

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

## Key Features

- • **Secure Locking Mechanism:** Steel plates ensure a tight, reliable seal every time.
- • **Robust Steel Construction:** Durable steel material built to withstand tough plumbing conditions.
- • **Precision Fit for 16" Pipes:** Engineered to snugly fit standard 400mm drain pipes without hassle.
- • **Versatile Testing Capability:** Perfect for both air and water pressure drain tests.
- • **Effortless Installation & Removal:** Designed for quick sealing and easy removal during repairs or testing.

## Overview

The Steel Drain Test Pipe Bung/Plug 16" (400mm) is a heavy-duty plumbing cap designed for secure sealing and low-pressure testing of drains and sewers. Featuring a centre locking steel plate, it fits standard 16-inch pipes and supports both air and water testing, making it an essential tool for professional plumbers and maintenance teams.

## Description

Product Description Choose from sizes 1-1/2" (40mm), 2" (50mm), 2-1/2" (65mm), 3" (75mm), 3.5" (90mm), 4" (100mm), 4.5" (115mm), 5" (125mm), 6" (150mm), 7" (175mm), 8" (200mm), 9" (225mm), 10" (250mm), 11" (275mm), 12" (300mm), 13" (325mm), 14" (350mm), 15" (375mm),16" (400mm) or 18" (450mm). Description Centre locking drain test plugs with steel plates, brass wing nuts. Suitable for air or water testing of drains and sewers. Corrosion resistant. Used to temporarily seal a pipe for repair work & for low pressure testing. Material: Steel. Zinc plated.

Review: It Fits - It fits up the sewer pipe, just what I wanted.
Review: Happy. - Happy.

## Features

- Centre locking drain test plugs with steel plates.
- Suitable for air or water testing of drains and sewers.
- Material: Steel.
- Sizes: 1-1/2" - 18" (40mm - 450mm)
- Used to seal a pipe for repair work & for low pressure testing.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FJGJ435D |
| Batteries Required? | No |
| Best Sellers Rank | 5,920 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 in Plumbing Testing Equipment |
| Colour | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (121) |
| Date First Available | 22 July 2025 |
| Included Components | Drain Test Plug |
| Item model number | 16" (400mm) |
| Manufacturer | AB Tools |
| Material | Brass |
| Part Number | SIL643 |
| Product Dimensions | 40 x 40 x 25 cm |
| Size | 40 |

## Images

![Steel Drain Test Pipe Bung/Plug 16" (400mm) Plumbing Stop Tube Blanking Cap - Image 1](https://m.media-amazon.com/images/I/61OBkzWTKgL.jpg)
![Steel Drain Test Pipe Bung/Plug 16" (400mm) Plumbing Stop Tube Blanking Cap - Image 2](https://m.media-amazon.com/images/I/71KxjeKC8HL.jpg)
![Steel Drain Test Pipe Bung/Plug 16" (400mm) Plumbing Stop Tube Blanking Cap - Image 3](https://m.media-amazon.com/images/I/61ow-tCPGoL.jpg)
![Steel Drain Test Pipe Bung/Plug 16" (400mm) Plumbing Stop Tube Blanking Cap - Image 4](https://m.media-amazon.com/images/I/61493jXvyIL.jpg)
![Steel Drain Test Pipe Bung/Plug 16" (400mm) Plumbing Stop Tube Blanking Cap - Image 5](https://m.media-amazon.com/images/I/712kUV7L13L.jpg)

## Available Options

This product comes in different **Model** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ It Fits
*by M***A on 8 April 2026*

It fits up the sewer pipe, just what I wanted.

### ⭐⭐⭐⭐ Happy.
*by T***Y on 12 May 2026*

Happy.

### ⭐⭐⭐⭐⭐ A good bung
*by B***D on 10 March 2026*

Perfect, we have an open waste pipe that needed stopped whilst work was being completed Easy to use and blocked the pipe as needed

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**Shop now:** [https://www.desertcart.hr/products/753695495-steel-drain-test-pipe-bung-plug-16-400mm-plumbing-stop](https://www.desertcart.hr/products/753695495-steel-drain-test-pipe-bung-plug-16-400mm-plumbing-stop)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-12*