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Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder vs Proxxon 38544 Longneck Mini Angle Grinder LW/E

Updated July 2026 — Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder wins on speed and power, Proxxon 38544 Longneck Mini Angle Grinder LW/E wins on weight and size.

The Milwaukee 2888-20 offers more power and speed for heavy-duty tasks, while the Proxxon 38544 excels in portability and versatility for detailed work.

Why Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder is better

Higher RPM

Milwaukee has a max speed of 8,500 RPM compared to Proxxon's 13,000 RPM.

Durability

Milwaukee is favored by professionals for heavy use.

Price

Milwaukee is about 3% cheaper than Proxxon.

Why Proxxon 38544 Longneck Mini Angle Grinder LW/E is better

Lightweight

Proxxon weighs only 1.2 lbs, making it more portable.

Versatility

Proxxon is ideal for tight spaces and various materials.

Included Accessories

Proxxon comes with grinding discs and sanders.

Overall score

Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder
85
Proxxon 38544 Longneck Mini Angle Grinder LW/E
78

Specifications

SpecMilwaukee 2888-20 18V Cordless 4.5"/5" GrinderProxxon 38544 Longneck Mini Angle Grinder LW/E
Max RPM850013000
Variable SpeedYesYes
Included DiscsNoneYes
WeightN/A1.2 lbs
Power18V110-120V

Dimension comparison

Milwaukee 2888-20 18V Cordless 4.5"/5" GrinderProxxon 38544 Longneck Mini Angle Grinder LW/E

Overview of the Milwaukee 2888-20 and Proxxon 38544

The Milwaukee 2888-20 is priced at $141.08, while the Proxxon 38544 costs $145.47, making Milwaukee about 3% cheaper. Both products are designed for grinding tasks but cater to different user needs and preferences. The Milwaukee model offers a more powerful performance with a higher RPM, while the Proxxon model provides versatility for tight spaces, making it suitable for various materials.

Performance Comparison

The Milwaukee 2888-20 boasts a maximum speed of 8,500 RPM, which is ideal for heavy-duty grinding tasks. This grinder also features variable speed settings that range from 3,500 to 8,500 RPM, allowing users to adjust the speed according to the task at hand. In contrast, the Proxxon 38544 offers a speed range of 3,300 to 13,000 RPM, providing more flexibility in speed control. However, its lower maximum speed compared to Milwaukee may limit its effectiveness for certain demanding applications.

Design and Usability

The Milwaukee 2888-20 is designed with user-friendliness in mind, featuring a paddle switch and tool-free guard adjustment for easy operation. This design enhances the overall user experience, especially for those who prioritize efficiency. The Proxxon 38544, being a mini angle grinder, is compact and lightweight, making it ideal for use in tight spaces. Both tools are equipped with features that enhance usability, but the Milwaukee's larger size may be a consideration for users looking for portability.

Included Accessories

When it comes to included accessories, the Proxxon 38544 stands out as it comes with a carborundum grinding disc of 60 grit and a reinforced fan sander. This inclusion adds value for users who need immediate functionality right out of the box. The Milwaukee 2888-20, however, is sold as a tool-only option, meaning users will need to purchase accessories separately. This could lead to additional costs for Milwaukee users, which is an important factor to consider when evaluating overall value.

Weight and Portability

The Milwaukee 2888-20 does not provide specific weight information, but given its robust design, it may be heavier than the Proxxon 38544, which weighs only 1.2 lbs (550g). This significant difference in weight makes the Proxxon a more portable option, especially for tasks that require maneuverability in tight or hard-to-reach spaces. Users who frequently work in confined areas may find the lightweight design of the Proxxon a critical advantage.

Build Quality and Durability

Both the Milwaukee 2888-20 and Proxxon 38544 are built with quality in mind, but they cater to different markets. The Milwaukee grinder is known for its durability and high performance, often favored by professionals who need a reliable tool for heavy use. The Proxxon, made in Germany, is crafted for precision and is ideal for users who need a tool for light to medium tasks. While both products have a strong reputation, Milwaukee's brand may resonate more with those seeking robust, long-lasting tools.

Target Audience

The Milwaukee 2888-20 is primarily targeted towards professionals and serious DIY enthusiasts who require a powerful tool for various grinding tasks. Its higher RPM and variable speed settings make it suitable for demanding applications. Conversely, the Proxxon 38544 is designed for hobbyists and users who need a versatile tool for detailed work, such as crafting, deburring, and finishing. The lightweight and compact design of the Proxxon appeals to those who prioritize ease of use over sheer power.

Which should you buy?

Choosing between the Milwaukee 2888-20 and the Proxxon 38544 ultimately depends on your specific needs and preferences. If you require a powerful grinder with a high RPM and variable speed settings for heavy-duty tasks, the Milwaukee 2888-20 is the better choice, and it is about 3% cheaper at $141.08. However, if you need a lightweight, compact tool for detailed work in tight spaces, the Proxxon 38544, priced at $145.47, offers excellent versatility and ease of use. Consider your primary applications and whether you prefer power or portability when making your decision.