The Dongcheng DZZ90 Electric Diamond Core Drilling Machine is a lightweight, handheld drilling tool designed for core drilling applications in suitable construction materials. Powered by a 1350W motor, it offers adjustable speed from 0 to 2300 RPM, allowing users to control drilling performance according to the material and application.
With a maximum drilling capacity of 90mm, the DZZ90 is suitable for selected drilling tasks in construction, plumbing and installation work. Its handheld design and approximate net weight of 4.4 kg help make it practical for professional use.
The machine comes with water-supply accessories, an auxiliary handle, shoulder support assembly and a plastic carrying case, providing useful accessories for compatible drilling applications.
Key Features
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1350W Motor: Provides power for suitable core drilling applications.
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90mm Maximum Drilling Capacity: Designed for drilling holes up to the specified diameter with compatible equipment.
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Adjustable Speed: Variable speed range of 0–2300 RPM for improved control.
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Lightweight Handheld Design: Approximate net weight of 4.4 kg.
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Water Supply Accessories: Includes a water pipe and pipe connector.
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Auxiliary Handle: Supports grip and handling during operation.
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Shoulder Support Assembly: Included to assist handling during compatible drilling tasks.
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Plastic Carrying Case: Helps with storage and transportation.
Applications
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Core drilling in suitable construction materials.
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Drilling openings for plumbing installations.
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Creating holes for compatible pipe and utility installations.
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Construction and renovation projects.
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Electrical and mechanical installation work.
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Professional drilling tasks requiring larger-diameter holes.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Dongcheng |
| Model | DZZ90 |
| Product Type | Electric Core Drilling Machine |
| Rated Power Input | 1350 W |
| No-Load Speed | 0–2300 RPM |
| Maximum Drilling Capacity | 90 mm |
| Net Weight | 4.4 kg |
| Machine Type | Handheld |
| Speed Adjustment | Adjustable |
| Power Source | Corded Electric |
| Packaging | Plastic Carrying Case |
Model-Wise Specification Table
| Model | Power | Maximum Drilling Capacity | Speed Range | Weight |
|---|---|---|---|---|
| DZZ90 | 1350 W | 90 mm | 0–2300 RPM | 4.4 kg |
Package Contents
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Dongcheng DZZ90 Core Drilling Machine – 1 unit
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Water Pipe – 1 piece
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Pipe Connector – 1 piece
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Open-End Wrench – 1 piece
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Auxiliary Handle – 1 piece
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Shoulder Support Assembly – 1 set
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Carbon Brush – Included
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Plastic Carrying Case – 1 piece















