---
product_id: 748536252
title: "Steel Drain Test Pipe Bung/Plug 3.5\" (90mm) Plumbing Stop Tube Blanking Cap"
brand: "ab tools"
price: "€ 53.31"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/748536252-steel-drain-test-pipe-bung-plug-3-5-90mm-plumbing
store_origin: IE
region: Ireland
---

# Wide size range 40mm-450mm Centre locking steel plate Corrosion-resistant zinc plating Steel Drain Test Pipe Bung/Plug 3.5" (90mm) Plumbing Stop Tube Blanking Cap

**Brand:** ab tools
**Price:** € 53.31
**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 3.5" (90mm) Plumbing Stop Tube Blanking Cap by ab tools
- **How much does it cost?** € 53.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/748536252-steel-drain-test-pipe-bung-plug-3-5-90mm-plumbing)

## 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 Centre Locking:** Steel plates with brass wing nuts ensure a rock-solid seal every time.
- • **Temporary Pipe Sealing:** Quickly seal pipes during repairs or low-pressure tests with confidence.
- • **Versatile Size Options:** From 1.5" to 18", find the perfect fit for any pipe diameter.
- • **Dual Testing Capability:** Ideal for both air and water pressure testing of drains and sewers.
- • **Corrosion-Resistant Durability:** Zinc-plated steel resists rust, built to last through tough plumbing jobs.

## Overview

The Steel Drain Test Pipe Bung/Plug 3.5" (90mm) by AB Tools is a corrosion-resistant, zinc-plated steel plug designed for secure centre locking on pipes. Suitable for air and water testing of drains and sewers, it offers a reliable temporary seal for repair work and low-pressure testing. Available in a broad size range from 40mm to 450mm, it’s engineered for professional-grade plumbing precision.

## 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. 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)  18" (450mm)

## 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 |
|---------------|-------|
| Manufacturer | AB Tools |
| Part Number | SIL633 |
| Product Dimensions | 3.54 x 3.54 x 3.54 inches |
| Item model number | 3.5" (90mm) |
| Size | 9 |
| Color | Black |
| Included Components | SIL633 |
| Batteries Required? | No |

## Images

![Steel Drain Test Pipe Bung/Plug 3.5" (90mm) Plumbing Stop Tube Blanking Cap - Image 1](https://m.media-amazon.com/images/I/71QVrjiqKmL.jpg)
![Steel Drain Test Pipe Bung/Plug 3.5" (90mm) Plumbing Stop Tube Blanking Cap - Image 2](https://m.media-amazon.com/images/I/71VGHivnp+L.jpg)
![Steel Drain Test Pipe Bung/Plug 3.5" (90mm) Plumbing Stop Tube Blanking Cap - Image 3](https://m.media-amazon.com/images/I/714f5msdgQL.jpg)
![Steel Drain Test Pipe Bung/Plug 3.5" (90mm) Plumbing Stop Tube Blanking Cap - Image 4](https://m.media-amazon.com/images/I/7163snhY59L.jpg)
![Steel Drain Test Pipe Bung/Plug 3.5" (90mm) Plumbing Stop Tube Blanking Cap - Image 5](https://m.media-amazon.com/images/I/71FpL24H2VL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.ie/products/748536252-steel-drain-test-pipe-bung-plug-3-5-90mm-plumbing](https://www.desertcart.ie/products/748536252-steel-drain-test-pipe-bung-plug-3-5-90mm-plumbing)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-25*