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Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact vs Milwaukee Right Angle Impact Wrench - Milwaukee - 2564-20

Updated August 2026 — Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact wins on power and torque, Milwaukee Right Angle Impact Wrench - Milwaukee - 2564-20 wins on weight and size.

The Milwaukee 2864-20 Fuel One-Key excels in power and torque, making it ideal for heavy-duty tasks, while the Milwaukee 2564-20 is a more budget-friendly option for tight spaces.

Why Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact is better

Power

Delivers up to 1200 ft-lbs of torque

Technology

Features One-Key technology for tracking

Sales Rank

Higher sales rank indicates popularity

Why Milwaukee Right Angle Impact Wrench - Milwaukee - 2564-20 is better

Price

About 45% cheaper than product A

Weight

Weighs only 2.83 lbs for easy handling

Compact Design

Right angle design for tight spaces

Overall score

Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact
90
Milwaukee Right Angle Impact Wrench - Milwaukee - 2564-20
75

Specifications

SpecMilwaukee 2864-20 Fuel One-Key 3/4" High Torque ImpactMilwaukee Right Angle Impact Wrench - Milwaukee - 2564-20
Current Price$319.99$176.98
Max Torque1200 ft-lbs220 ft-lbs
Battery TypeM18 FUELM12 FUEL
Sales Rank1581532386
Compact DesignNoYes

Dimension comparison

Milwaukee 2864-20 Fuel One-Key 3/4" High Torque ImpactMilwaukee Right Angle Impact Wrench - Milwaukee - 2564-20

Overview of the Milwaukee 2864-20 Fuel One-Key and Milwaukee 2564-20

The Milwaukee 2864-20 Fuel One-Key is a high-torque impact wrench priced at $319.99, while the Milwaukee 2564-20 Right Angle Impact Wrench is more budget-friendly at $176.98, making it about 45% cheaper. Both tools are designed for heavy-duty tasks, but they serve different purposes and feature distinct designs. The 2864-20 is geared towards maximum torque and power, while the 2564-20 is designed for tight spaces and ease of use.

Design and Build Quality

The Milwaukee 2864-20 Fuel One-Key stands out with its robust and compact design, measuring just 8.59 inches in length, making it the most compact cordless high torque impact wrench in its class. In contrast, the Milwaukee 2564-20 Right Angle Impact Wrench features a unique 90-degree angle design, which allows it to fit into confined spaces where traditional wrenches may struggle. Weighing only 2.83 lbs, the 2564-20 is lightweight and highly maneuverable, making it easier to handle during prolonged use. Both tools are constructed with durability in mind, ensuring long-lasting performance.

Power and Performance

The Milwaukee 2864-20 Fuel One-Key excels in power, delivering up to 1200 ft-lbs of fastening torque and an impressive 1500 ft-lbs of nut-busting torque. This makes it an excellent choice for demanding applications where high torque is essential. On the other hand, the Milwaukee 2564-20 offers 220 ft-lbs of torque, which is sufficient for many heavy-duty tasks but not nearly as powerful as the 2864-20. If maximum torque is a priority, the 2864-20 clearly outperforms the 2564-20 in this category.

Battery and Runtime

The Milwaukee 2864-20 is powered by the M18 FUEL Lithium-Ion battery, which is known for its high efficiency and long runtime. This model also features One-Key technology, allowing users to customize and track tool performance. The Milwaukee 2564-20, however, runs on the M12 FUEL Lithium-Ion battery, designed for smaller tools but still providing reliable power. While both tools are battery-operated, the choice of battery impacts their overall runtime and suitability for different tasks. The 2864-20's battery allows for greater power, while the 2564-20’s battery is optimized for compactness and convenience.

Price Comparison

The Milwaukee 2864-20 is priced at $319.99, which is significantly more than the Milwaukee 2564-20's price of $176.98. The 2564-20 is about 45% less expensive than the 2864-20, making it a more budget-friendly option for those who do not require the extreme power of the higher-end model. This price difference can influence purchasing decisions, especially for DIYers or professionals who may not need the added torque that the 2864-20 provides.

Applications and Usability

The Milwaukee 2864-20 is ideal for heavy-duty applications where high torque is necessary, such as automotive repairs or industrial settings. Its power and features make it suitable for professional use where performance is critical. Conversely, the Milwaukee 2564-20 is perfect for tasks in tight spaces, such as plumbing or electrical work, due to its right angle design. The lightweight and compact nature of the 2564-20 makes it user-friendly for those who need a reliable tool for less intense applications.

Sales Rank and Market Position

In the marketplace, the Milwaukee 2864-20 has a sales rank of 15,815, indicating a solid position among consumers looking for high-torque impact wrenches. Meanwhile, the Milwaukee 2564-20 holds a sales rank of 32,386, which suggests it is less frequently purchased compared to its counterpart. This ranking reflects the 2864-20’s appeal to professionals who prioritize power and performance, while the 2564-20 may attract users focused more on budget and compact design.

Which should you buy?

Deciding between the Milwaukee 2864-20 Fuel One-Key and the Milwaukee 2564-20 Right Angle Impact Wrench ultimately depends on your specific needs. If you require maximum torque and power for demanding applications, the 2864-20 is the clear choice despite its higher price. However, if you are looking for a more affordable, compact tool for general use in tight spaces, the 2564-20 offers excellent value at a price of $176.98. Consider your typical tasks and budget when making your decision, as each tool excels in its respective area.