---
product_id: 748536151
title: "Steel Drain Test Pipe Bung/Plug 18\" (450mm) Plumbing Stop Tube Blanking Cap"
brand: "ab tools"
price: "S$912"
currency: SGD
in_stock: true
category: "Ab Tools"
url: https://www.desertcart.sg/products/748536151-steel-drain-test-pipe-bung-plug-18-450mm-plumbing-stop
store_origin: SG
region: Singapore
---

# Air & water test ready Steel core strength Centre locking mechanism Steel Drain Test Pipe Bung/Plug 18" (450mm) Plumbing Stop Tube Blanking Cap

**Brand:** ab tools
**Price:** S$912
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Steel Drain Test Pipe Bung/Plug 18" (450mm) Plumbing Stop Tube Blanking Cap by ab tools
- **How much does it cost?** S$912 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/748536151-steel-drain-test-pipe-bung-plug-18-450mm-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

- • **Effortless Locking:** Centre locking design with brass wing nuts guarantees a secure, leak-proof seal in seconds.
- • **Unmatched Durability:** Premium steel with corrosion-resistant zinc plating ensures long-lasting reliability on every job.
- • **Precision Fit Across Sizes:** Available from 1.5" to 18" (40mm to 450mm) to perfectly seal any pipe diameter with confidence.
- • **Versatile Testing Solution:** Ideal for both air and low-pressure water testing of drains and sewers, making it a must-have for pros.
- • **Temporary Seal, Permanent Peace of Mind:** Quickly isolate pipes during repairs or inspections without compromising safety or efficiency.

## Overview

The Steel Drain Test Pipe Bung/Plug 18" (450mm) is a robust, zinc-plated steel plumbing cap designed for temporary pipe sealing and low-pressure air or water testing. Featuring a centre locking mechanism with brass wing nuts, it offers a secure, corrosion-resistant fit across a wide range of pipe sizes, making it essential for professional drain and sewer maintenance.

## 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 |
|---------------|-------|
| ASIN | B0FJGDT66D |
| Best Sellers Rank | #2,156,244 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,782 in Hardware Plugs |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (146) |
| Date First Available | July 23, 2025 |
| Included Components | SIL644 |
| Item model number | 18" (450mm) |
| Manufacturer | AB Tools |
| Part Number | SIL644 |
| Product Dimensions | 17.72 x 17.72 x 9.84 inches |
| Size | 45 |

## Images

![Steel Drain Test Pipe Bung/Plug 18" (450mm) Plumbing Stop Tube Blanking Cap - Image 1](https://m.media-amazon.com/images/I/61xiwkIj6rL.jpg)
![Steel Drain Test Pipe Bung/Plug 18" (450mm) Plumbing Stop Tube Blanking Cap - Image 2](https://m.media-amazon.com/images/I/31VVP+ccmoL.jpg)
![Steel Drain Test Pipe Bung/Plug 18" (450mm) Plumbing Stop Tube Blanking Cap - Image 3](https://m.media-amazon.com/images/I/41WTKYyiaRL.jpg)
![Steel Drain Test Pipe Bung/Plug 18" (450mm) Plumbing Stop Tube Blanking Cap - Image 4](https://m.media-amazon.com/images/I/41fk1wgiTpL.jpg)
![Steel Drain Test Pipe Bung/Plug 18" (450mm) Plumbing Stop Tube Blanking Cap - Image 5](https://m.media-amazon.com/images/I/31hQ6E2e70L.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.sg/products/748536151-steel-drain-test-pipe-bung-plug-18-450mm-plumbing-stop](https://www.desertcart.sg/products/748536151-steel-drain-test-pipe-bung-plug-18-450mm-plumbing-stop)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-06*