Description:
The Dongcheng DSM21-125 900W Angle Grinder is a powerful, compact corded electric power tool designed for metal grinding, deburring, surface preparation and professional workshop maintenance applications.
Equipped with a 900W motor, the DSM21-125 delivers an 11,800 RPM no-load speed, providing high-speed rotational performance for compatible grinding and metalworking operations.
The grinder supports a maximum 125mm (5-inch) wheel diameter and features an M14 spindle thread for mounting suitably rated and compatible grinding accessories.
One of its standout features is the 186mm ultra-slim body, designed to provide a comfortable grip and convenient control during grinding operations.
The labyrinth dustproof structure helps protect internal components against dust contamination, supporting durability during demanding workshop applications.
Equipped with a 2-motion slide switch, the DSM21-125 provides convenient operating control for suitable grinding tasks.
Weighing approximately 1.8kg, the grinder combines a compact design with a larger 5-inch wheel capacity for professional metalworking and maintenance applications.
The manufacturer lists an auxiliary handle, wrench and carbon brush among the supplied accessories, with colour box packaging.
The Dongcheng DSM21-125 900W 125mm Angle Grinder is suitable for metal fabrication workshops, engineering maintenance, automotive repair facilities, construction contractors and industrial applications requiring a compact and powerful electric grinding tool.
Technical Specifications:
| Specification | Details |
|---|---|
| Brand | Dongcheng |
| Model No. | DSM21-125 |
| Product Type | Electric Angle Grinder |
| Tool Type | Corded Power Tool |
| Rated Power Input | 900W |
| No-Load Speed | 11,800 RPM |
| Maximum Wheel Diameter | Ø125mm |
| Wheel Size | 5 Inches |
| Spindle Thread | M14 |
| Net Weight | 1.8kg |
| Motor | 900W Powerful Motor |
| Body Design | Ultra-Slim |
| Manufacturer-Stated Body Dimension | 186mm |
| Dust Protection | Labyrinth Dustproof Structure |
| Switch Type | 2-Motion Slide Switch |
| Auxiliary Handle | Listed by Manufacturer |
| Wrench | Listed by Manufacturer |
| Carbon Brush | Listed by Manufacturer |
| Packaging | Colour Box |
Motor & Performance Specifications:
| Specification | Details |
|---|---|
| Rated Power | 900W |
| No-Load Speed | 11,800/min |
| Maximum Wheel Diameter | 125mm / 5″ |
| Spindle Thread | M14 |
| Body Design | 186mm Ultra-Slim |
| Dustproof Structure | Labyrinth Type |
| Switch Mechanism | 2-Motion Slide Switch |
| Net Weight | 1.8kg |
Manufacturer Specification Note:
The official Dongcheng product page does not specify the rated input voltage, frequency, grinding wheel bore diameter, vibration levels, sound pressure levels or additional electronic safety functions. These details should be verified from the product nameplate or official documentation before publishing.
Included Items:
Manufacturer-Listed Accessories & Packaging:
- 1 × Dongcheng DSM21-125 900W Angle Grinder
- Auxiliary Handle
- Wrench
- Carbon Brush
- Colour Box Packaging
Note: The official manufacturer lists the auxiliary handle, wrench and carbon brush as accessories. Exact quantities and the inclusion of a wheel guard or grinding disc should be confirmed from the actual retail package before dispatch.
Recommended Applications:
- Metal surface grinding
- Metal edge deburring
- Weld seam preparation
- Surface cleaning and preparation
- Steel component grinding
- Metal fabrication workshops
- Engineering workshops
- Industrial maintenance operations
- Automotive repair workshops
- Machinery repair and maintenance
- Construction maintenance
- General metalworking applications
- Workshop repair tasks
- Rust removal with compatible accessories
- Compatible abrasive cutting applications
Application Note: Use only accessories approved for a 125mm grinder and rated for at least 11,800 RPM. Cutting applications require a compatible cutting wheel and the appropriate approved guard.
Key Features & Benefits:
900W Powerful Motor:
Equipped with a 900W motor designed to provide dependable rotational performance for compatible grinding and metalworking applications.
11,800 RPM High-Speed Operation:
Delivers an 11,800 RPM no-load speed, supporting high-speed grinding operations.
125mm / 5-Inch Wheel Capacity:
Supports a maximum 125mm grinding wheel diameter, providing a larger wheel capacity than 100mm angle grinders.
186mm Ultra-Slim Body:
Features the manufacturer’s specified 186mm ultra-slim body design, offering comfortable gripping and convenient tool control.
Comfortable Handling:
The slim housing is designed to make the angle grinder comfortable to hold during suitable grinding operations.
Labyrinth Dustproof Structure:
Incorporates a labyrinth dustproof structure designed to help protect internal components against dust contamination.
Improved Internal Component Protection:
The dustproof construction helps reduce dust exposure to internal components during grinding operations.
2-Motion Slide Switch:
Features a 2-motion slide switch for convenient tool operation.
M14 Spindle Thread:
Equipped with an M14 spindle thread for appropriately specified and compatible grinding accessories.
Compact 1.8kg Design:
Features a 1.8kg net weight, supporting convenient handling during suitable workshop applications.
Auxiliary Handle:
The manufacturer lists an auxiliary handle for additional handling support during grinding operations.
Wrench Accessory:
A wrench is listed among the supplied accessories for applicable tool setup and maintenance.
Carbon Brush Accessory:
The manufacturer includes a carbon brush in its accessory listing.
Professional Workshop Applications:
Suitable for metal fabrication, general engineering, machinery maintenance and compatible industrial grinding applications.
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