Dong Cheng DongCheng Angle Grinder 4-1/ vs Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder
Updated July 2026 — full head-to-head comparison.
Overview of the DongCheng Angle Grinder and Milwaukee Grinder
The DongCheng Angle Grinder is priced at $32.99, making it about 77% cheaper than the Milwaukee 2888-20, which retails for $141.08. This significant price difference positions the DongCheng as a budget-friendly option for those looking to tackle metal and rust removal tasks without breaking the bank. On the other hand, the Milwaukee grinder offers advanced features and a high-performance cordless design, appealing to professionals who may require more versatility and power in their tools.
Power and Performance
The DongCheng Angle Grinder boasts a powerful 6.7-Amp motor capable of reaching speeds up to 11,800 RPM. This high speed is ideal for various cutting and grinding applications, making it a robust choice for DIY enthusiasts and professionals alike. In contrast, the Milwaukee grinder delivers a maximum speed of 8,500 RPM, with a variable speed feature that allows users to select from five different settings. While both grinders offer commendable performance, the DongCheng's higher RPM may provide quicker results for more intensive tasks.
Safety Features
Safety is a key consideration when using power tools, and both grinders incorporate features designed to protect users. The DongCheng Angle Grinder includes a no lock-on paddle switch that stops instantly when released, preventing accidental activation. Additionally, it comes with a dual guard system for versatile applications. The Milwaukee grinder also features a paddle switch and includes a brake that can stop the wheel in two seconds or less. While both tools emphasize safety, the instant stop feature of the DongCheng may be particularly beneficial for continuous use.
Ergonomics and Design
In terms of ergonomics, the DongCheng Angle Grinder has an extra-slim grip and weighs only 4.2 lbs, making it comfortable to hold during extended use. Its compact design and 9-foot power cord provide flexibility and ease of movement. The Milwaukee grinder is designed for cordless operation, eliminating the hassle of cords entirely. However, it does not specify weight, which may affect user comfort during prolonged tasks. The DongCheng’s dedicated design for fatigue reduction could be a significant advantage for users needing to operate the tool for longer periods.
Included Accessories
The DongCheng Angle Grinder comes with a comprehensive package that includes two cutting discs, two grinding wheels, two flap discs, and an auxiliary handle, among other accessories. This makes it an excellent value purchase for beginners who might need all the essentials right out of the box. The Milwaukee grinder is sold as a tool-only option, meaning users will need to purchase batteries and accessories separately, potentially increasing the overall investment. This could make the DongCheng a more appealing choice for those looking to get started with minimal additional expenses.
Portability
Portability is a crucial factor for users who need to transport their tools between job sites. The DongCheng Angle Grinder, being a corded tool, is limited by its power cord length, which is 9 feet. This could restrict movement in larger workspaces. Conversely, the Milwaukee 2888-20 is a cordless model, providing greater freedom of movement without the constraints of a power cord. This feature makes it an ideal choice for professionals who require mobility and ease of use in varied environments.
Pricing and Value
The DongCheng Angle Grinder is currently available for $32.99, while the Milwaukee 2888-20 is priced at $141.08. This makes the DongCheng about 77% less expensive than the Milwaukee, offering significant savings for those who are budget-conscious. However, the Milwaukee grinder does provide advanced features, such as variable speed settings and a rapid brake system, which may justify its higher price for certain users. Ultimately, the choice between these two grinders hinges on the buyer's budget and specific needs.
Which should you buy?
Choosing between the DongCheng Angle Grinder and the Milwaukee 2888-20 largely depends on your intended use and budget. If you're looking for an affordable, reliable tool for straightforward cutting and grinding tasks, the DongCheng is an excellent choice at $32.99. Its higher RPM and ergonomic design make it suitable for both beginners and those who need a dependable grinder for occasional use. However, if you're a professional who values portability, variable speed control, and advanced safety features, the Milwaukee grinder, despite its higher price of $141.08, could be worth the investment. Ultimately, your decision should reflect your specific requirements and how much you are willing to spend for added features.

