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Bosch GWS8-45 4-1/2 In. Angle Grinder vs DEWALT FLEXVOLT 60V MAX* Angle Grinder with

Updated July 2026 — Bosch GWS8-45 4-1/2 In. Angle Grinder wins on value and comfort, DEWALT FLEXVOLT 60V MAX* Angle Grinder with wins on power and safety.

The Bosch GWS8-45 is a budget-friendly option ideal for casual users, while the DEWALT FLEXVOLT offers advanced features for professionals.

Why Bosch GWS8-45 4-1/2 In. Angle Grinder is better

Price

Bosch is significantly cheaper at $79.00.

Weight

Bosch is lighter at 4.2 lbs.

User Comfort

Bosch has a slim-grip design for extended use.

Why DEWALT FLEXVOLT 60V MAX* Angle Grinder with is better

Power

DEWALT has a more powerful equivalent motor.

Safety Features

DEWALT includes advanced Kickback Brake technology.

Durability

DEWALT features E-CLUTCH for enhanced safety.

Overall score

Bosch GWS8-45 4-1/2 In. Angle Grinder
75
DEWALT FLEXVOLT 60V MAX* Angle Grinder with
88

Specifications

SpecBosch GWS8-45 4-1/2 In. Angle GrinderDEWALT FLEXVOLT 60V MAX* Angle Grinder with
Motor Power7.5 Amp13 Amp equivalent
No-load RPM11,0009,000
Weight4.2 lbsunknown
Kickback BrakeNoYes
E-CLUTCHNoYes

Dimension comparison

Bosch GWS8-45 4-1/2 In. Angle GrinderDEWALT FLEXVOLT 60V MAX* Angle Grinder with

Overview of Angle Grinders

When comparing the Bosch GWS8-45 and the DEWALT FLEXVOLT 60V MAX Angle Grinder, it's clear that both tools cater to different user needs and preferences. The Bosch GWS8-45 is priced at $79.00, while the DEWALT model costs $273.80, making it about 246% more expensive. This price difference reflects variations in features and intended usage, impacting their suitability for various tasks.

Power and Performance

The Bosch GWS8-45 features a powerful 7.5 amp motor that delivers a no-load speed of 11,000 RPM, making it suitable for a variety of grinding tasks. In contrast, the DEWALT FLEXVOLT offers equivalent power to a 13 amp motor with a no-load speed of 9,000 RPM when using 6-inch grinding wheels. While the Bosch offers higher RPMs, the DEWALT compensates with its innovative features like the Kickback Brake, designed to enhance user safety during operation.

Design and Ergonomics

In terms of design, the Bosch GWS8-45 emphasizes user comfort with its slim-grip design, allowing for extended use without fatigue. Weighing only 4.2 lbs, it is lightweight and easy to maneuver. On the other hand, the DEWALT FLEXVOLT is designed for heavy-duty tasks and includes features like a brake that engages quickly to stop the wheel in just 1.5 seconds, which can be crucial for safety during intense projects. Each design aspect targets different user experiences and operational demands.

Durability and Maintenance

The Bosch GWS8-45 is built with durable carbon brushes that extend the tool's lifespan, along with a Service Minder feature that alerts users when maintenance is needed. This proactive maintenance approach can significantly enhance the tool's longevity. Conversely, the DEWALT FLEXVOLT incorporates E-CLUTCH technology that can shut down the motor in less than a tenth of a second if a stall is detected, further promoting safety and durability. Both tools prioritize durability, but their approaches differ significantly.

Safety Features

Safety is a critical consideration when selecting an angle grinder. The Bosch GWS8-45 includes a burst-protection guard that allows for quick adjustments while ensuring user protection. Meanwhile, the DEWALT FLEXVOLT is equipped with a Kickback Brake that activates during a pinch or stall event, providing an additional layer of safety. These features reflect the manufacturers' commitment to user security, though the DEWALT's advanced braking system offers a more sophisticated solution.

Application Versatility

The Bosch GWS8-45 is designed for lighter tasks, making it ideal for DIY enthusiasts or those needing a reliable grinder for occasional use. Its two-position side handle allows for greater control and versatility in various applications. In contrast, the DEWALT FLEXVOLT is engineered for more demanding applications, suitable for professionals who require a robust tool capable of handling frequent and heavy use. This difference in application focus is crucial when choosing between the two.

Pricing and Value

At $79.00, the Bosch GWS8-45 is significantly more affordable compared to the DEWALT FLEXVOLT, which retails for $273.80. This price difference of about $194.80 makes the Bosch a compelling option for budget-conscious users who still seek performance. However, the DEWALT's higher price is justified by its advanced safety features and power, catering to professionals who need reliability and performance on demanding jobs.

Which should you buy?

Choosing between the Bosch GWS8-45 and the DEWALT FLEXVOLT ultimately depends on your specific needs and budget. If you are a casual user or DIY enthusiast looking for a reliable, lightweight grinder at an accessible price, the Bosch GWS8-45 is an excellent option. However, if you are a professional seeking robust power and advanced safety features for demanding tasks, the DEWALT FLEXVOLT justifies its higher price with superior performance and safety technology.