Description:
The Dongcheng DSM03-100S 950W Angle Grinder is a high-performance, compact electric power tool designed for professional metal grinding, cutting, deburring and surface preparation applications in workshops, construction and industrial environments.
Powered by a 950W energy-gathering motor, the DSM03-100S delivers 13,000 RPM no-load speed, providing efficient rotational performance for suitable grinding and cutting operations.
The motor is engineered for higher working efficiency and improved overload resistance, helping the grinder perform effectively during demanding metalworking applications.
The grinder supports a maximum 100mm (4-inch) wheel diameter, features a 16mm wheel bore and uses an M10 spindle thread for compatible grinding accessories.
A major feature of the DSM03-100S is its 186mm ultra-slim grip circumference, designed to provide comfortable handling and improved control during operation.
The labyrinth dustproof structure helps prevent dust contamination of internal drive components, while the high-strength gears contribute to longer service life.
Equipped with a 2-motion slide switch and spindle lock mechanism, the grinder offers convenient switching and easier grinding wheel replacement.
With an approximate 1.8kg net weight, the compact design is suitable for professional grinding and maintenance operations.
The Dongcheng DSM03-100S is ideal for metal fabrication workshops, automotive maintenance, engineering applications, industrial repair and construction activities requiring a powerful, compact 4-inch angle grinder.
Technical Specifications:
| Specification | Details |
|---|---|
| Brand | Dongcheng |
| Model No. | DSM03-100S |
| Product Type | Electric Angle Grinder |
| Tool Type | Corded Power Tool |
| Rated Power Input | 950W |
| No-Load Speed | 13,000 RPM |
| Maximum Wheel Diameter | Ø100mm |
| Disc Size | 4 Inches |
| Wheel Bore Diameter | Ø16mm |
| Spindle Thread | M10 |
| Net Weight | 1.8kg |
| Motor Type | Energy-Gathering Motor |
| Motor Efficiency | High Efficiency |
| Overload Resistance | Improved Overload Resistance |
| Grip Circumference | 186mm |
| Body Design | Ultra-Slim |
| Gear Construction | High-Strength Gears |
| Dust Protection | Labyrinth Dustproof Structure |
| Switch Type | 2-Motion Slide Switch |
| Spindle Lock | Yes |
| Power Source | Corded Electric |
| Packaging | Colour Box |
Motor & Performance Specifications:
| Specification | Details |
|---|---|
| Rated Power | 950W |
| No-Load Speed | 13,000/min |
| Maximum Wheel Diameter | 100mm / 4″ |
| Wheel Bore | 16mm |
| Spindle Thread | M10 |
| Motor Design | Energy-Gathering |
| Motor Characteristic | Higher Efficiency & Overload Resistance |
| Grip Circumference | 186mm |
| Gear Design | High-Strength |
| Dust Protection | Labyrinth Structure |
| Switch Mechanism | 2-Motion Slide |
| Net Weight | 1.8kg |
Manufacturer Specification Note:
The manufacturer’s catalogue specifies 1.8kg net weight. Some retailer listings show 1.6kg, so the catalogue figure is preferred. Input voltage, frequency and vibration values should be confirmed from the product nameplate or additional manufacturer documentation.
Included Items:
- 1 × Dongcheng DSM03-100S 950W Angle Grinder
- Auxiliary Handle
- Wrench
- Wheel Guard
- Colour Box Packaging
Note: These accessories are listed in the Dongcheng catalogue. Exact quantities and any additional items should be confirmed against the supplied retail package. Grinding discs are not confirmed as included.
Recommended Applications:
- Metal surface grinding
- Metal cutting with compatible discs
- Weld seam cleaning
- Metal edge deburring
- Steel fabrication workshops
- Surface preparation
- Rust removal using suitable accessories
- Industrial maintenance operations
- Automotive repair workshops
- Engineering workshops
- Machinery repair and maintenance
- Construction maintenance
- Professional metalworking applications
- Workshop grinding operations
- Compatible abrasive cutting applications
Application Note: Use only grinding or cutting discs rated for at least 13,000 RPM and compatible with the wheel dimensions. Always use the appropriate guard and follow the manufacturer’s operating instructions.
Key Features & Benefits:
950W High-Efficiency Motor:
Features a powerful 950W energy-gathering motor designed for efficient performance during grinding and cutting operations.
Improved Overload Resistance:
The manufacturer highlights improved overload resistance, supporting demanding grinding applications. This does not imply an automatic electronic overload shutdown function.
13,000 RPM High-Speed Performance:
Delivers a 13,000 RPM no-load speed for fast rotational performance with suitable abrasive accessories.
100mm / 4-Inch Wheel Capacity:
Supports a maximum 100mm wheel diameter, providing versatility for compact grinding applications.
186mm Ultra-Slim Grip:
Features a grip circumference of only 186mm, designed for comfortable handling and convenient control.
Labyrinth Dustproof Structure:
Helps prevent dust contamination inside the grinder, protecting internal drive components and contributing to longer service life.
High-Strength Gears:
Incorporates high-strength gears designed to improve durability during professional grinding applications.
2-Motion Slide Switch:
Equipped with a two-motion slide switch for convenient tool operation.
Spindle Lock Mechanism:
Features a spindle lock that assists with grinding wheel replacement when the tool is disconnected from power.
M10 Spindle Thread:
Uses an M10 spindle thread for suitably specified and compatible grinding accessories.
16mm Wheel Bore:
Supports compatible wheels with a 16mm bore, subject to correct mounting hardware.
Compact 1.8kg Design:
Features an approximate 1.8kg net weight, making it practical for suitable workshop and maintenance operations.
Auxiliary Handle:
The manufacturer lists an auxiliary handle for additional support and improved handling control.
Wheel Guard:
The manufacturer lists a wheel guard to support appropriate guarded grinding applications.
Professional Metalworking Applications:
Suitable for metal fabrication, industrial maintenance, engineering workshops and compatible construction applications.








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