---
product_id: 393905602
title: "Onboard Rotary Hammer Dust Extractor for 1-Inch SDS Plus Hammers (DWH303DH)"
brand: "dewalt"
price: "S$453"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/393905602-onboard-rotary-hammer-dust-extractor-for-1-inch-sds-plus
store_origin: SG
region: Singapore
---

# 300W high suction power clear dust box visibility 2-second power off delay Onboard Rotary Hammer Dust Extractor for 1-Inch SDS Plus Hammers (DWH303DH)

**Brand:** dewalt
**Price:** S$453
**Availability:** ✅ In Stock

## Summary

> 💨 Keep your site clean and your crew ahead of the curve!

## Quick Answers

- **What is this?** Onboard Rotary Hammer Dust Extractor for 1-Inch SDS Plus Hammers (DWH303DH) by dewalt
- **How much does it cost?** S$453 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/393905602-onboard-rotary-hammer-dust-extractor-for-1-inch-sds-plus)

## Best For

- dewalt enthusiasts

## Why This Product

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

## Key Features

- • **Quick-Swap Nozzle:** Replaceable dust nozzle for fast maintenance and uninterrupted workflow.
- • **See It to Empty It:** Durable, transparent dust box lets you monitor fill levels at a glance.
- • **Extended Extraction:** 2-second power off delay ensures no dust escapes after drilling stops.
- • **Compact Precision Fit:** Slim design fits tight spaces like scissor lifts and overhead ducts effortlessly.
- • **Unmatched Dust Control:** Table 1-compliant dust management keeps your workspace pristine and OSHA-ready.

## Overview

The DEWALT Onboard Rotary Hammer Dust Extractor (DWH303DH) is a high-performance, 300W dust management system designed for 1-inch SDS Plus rotary hammers. Featuring a 2-second power off delay, a clear dust box for easy monitoring, and a compact design for tight spaces, it ensures efficient dust extraction and compliance with Table 1 standards. Ideal for professionals demanding cleaner, safer job sites without sacrificing tool performance.

## Description

Onboard Rotary Hammer Dust Extractor for 1-Inch SDS Plus Hammers (DWH303DH)

## Features

- The dust extractor features Table 1-compliant dust management solution for 1-1/8-inch SDS Plus rotary hammers
- 2-second power off delay of the DEWALT dust extractor ensures dust extraction to continue after drill is switched off
- Clear, durable dust box ensures users can see when dust box needs to be emptied
- Built-in motor increases suction and high tool performance
- Replaceable dust nozzle to quickly change to new nozzle.Drill up to 5/8-inch diameter, 4-inch useable length, 6-inch overall length bits.Fits into tight spaces on scissor lifts and between overhead pipes and duct work.Easily adjustable depth guage for accurate anchor drilling.Replaces D25303DH

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Dewalt |
| Part number | DWH303DH |
| Item Weight | 2.14 Kilograms |
| Product Dimensions | 36.83 x 25.88 x 12.54 cm; 2.14 kg |
| Item model number | DWH303DH |
| Size | One Size |
| Color | Clear |
| Style | DWH303DH |
| Finish | Brushed |
| Material | Blend |
| Pattern | Solid |
| Shape | Rectangular |
| Power source type | AC |
| Voltage | 120 |
| Maximum Power | 300 Watts |
| Item Package Quantity | 1 |
| Special Features | High Suction Power, 2-second Power Off Delay |
| Included components | DWH303DH Extractor; DWH302DH Dust Box; Side Handle |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** DEWALT
- **Power source:** AC
- **Voltage:** 120
- **Amperage:** 15 Amps
- **Maximum chuck size:** 0.5 Inches

## Images

![Onboard Rotary Hammer Dust Extractor for 1-Inch SDS Plus Hammers (DWH303DH) - Image 1](https://m.media-amazon.com/images/I/61KMR8nxK5L.jpg)

## Frequently Bought Together

- DEWALT Onboard Rotary Hammer Dust Extractor for 1-Inch SDS Plus Hammers (DWH303DH)
- DEWALT 20V MAX SDS Rotary Hammer Drill, Cordless, 3 Application Modes, Bare Tool Only (DCH273B)
- DEWALT DWH302DH Heavy Duty Table 1 Compliant Replacement Dust Box

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**Shop now:** [https://www.desertcart.sg/products/393905602-onboard-rotary-hammer-dust-extractor-for-1-inch-sds-plus](https://www.desertcart.sg/products/393905602-onboard-rotary-hammer-dust-extractor-for-1-inch-sds-plus)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-26*