DeWalt DCG405B 20V Max XR 4.5″ Slide Switch Small Angle Grinder

The DeWalt DCG405B 20V Max XR 4.5″ Slide Switch Small Angle Grinder is a high-performance cordless tool equipped with a brushless motor that eliminates the need for brush changes, ensuring long-lasting motor life. Part of the PERFORM & PROTECT™ line, this grinder includes cutting-edge features like the Kickback Brake™, which stops the wheel in under two seconds to enhance user safety. Powered by a 20-volt lithium-ion battery, this compact tool is designed for heavy-duty tasks while maintaining ergonomic ease. With advanced features like the Power Loss Reset to prevent accidental restarts, a powerful 850-watt motor, and a compact size of 12.9″ x 6.3″ x 4.9″, this cordless angle grinder is ideal for professionals and DIY enthusiasts alike.

Detailed Comparison

Key Features

1. Brushless Motor

• Requires no brush changes, offering durability and efficiency.
• Reduces downtime and ensures consistent performance.

2. Kickback Brake™

• Engages when a pinch, stall, or bind-up is detected.
• Stops the wheel in less than two seconds on average for maximum safety.

3. Power Loss Reset

• Prevents accidental restarts after power disruptions when the tool is in the “on” position.

4. Cordless Design

• Operates with a 20-volt battery, delivering portability and convenience.

5. Ergonomic Design

• Compact size and lightweight at 3.8 pounds make it easy to handle.

Comparison: DeWalt DCG405B vs. Other Models

DeWalt DCG405B 20V Max XR

• Motor: Brushless
• Battery: Not included
• Speed: 9,000 RPM
• Weight: 3.8 pounds
• Price: Competitive for premium features
• Pros: Advanced safety features, long motor life, compact and portable.
• Cons: Battery and charger sold separately.

DeWalt DCG413B 20V MAX Brushless Angle Grinder

• Motor: Brushless
• Battery: Not included
• Speed: 9,000 RPM
• Weight: Slightly heavier at 4.5 pounds
• Pros: Paddle switch design for enhanced control.
• Cons: Higher weight may affect long-term use comfort.

DeWalt DWE4011

• Motor: Brushed
• Power Source: Corded
• Speed: 12,000 RPM
• Weight: 4 pounds
• Pros: Higher speed, constant power supply.
• Cons: Requires a corded connection, limiting mobility.

Pros and Cons

Pros:

• Compact, lightweight, and cordless for easy handling.
• Brushless motor ensures a long life and minimal maintenance.
• Advanced safety features with the Kickback Brake™ and Power Loss Reset.

Cons:

• Battery and charger sold separately.
• Maximum speed slightly lower compared to corded models.

Useful Tips and How-To

1. Proper Battery Maintenance

• Always store batteries in a cool, dry place.
• Charge fully before use for optimal runtime.

2. Use the Right Accessories

• Pair with 4.5-inch wheels compatible with the 5/8″-11 arbor size for optimal performance.

3. Safety First

• Always wear protective gear like gloves and goggles when operating the grinder.

Related Products

1. DeWalt Angle Grinder DWE4011
   • A reliable corded grinder with a brushed motor delivering 12,000 RPM for heavy-duty tasks.
2. DeWalt 20V MAX Lithium Ion Grinder
   • Combines portability with power, ideal for professionals on the move.
3. DeWalt DCG413B 20V MAX Brushless Angle Grinder
   • Features a paddle switch and brushless motor for superior control and durability.
4. DeWalt Paddle Switch Small Angle Grinder DWE4012
   • Offers precise control with a corded design and higher speed output.
5. DEWALT DCG415B 20V MAX XR Small Angle Grinder
   • Enhanced with advanced safety features and a brushless motor for tough jobs.

Product Dimensions