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Best DEWALT Power Grinders

Discover DEWALT's high-performance power grinders, including cordless 20V MAX brushless models and corded heavy-duty options for cutting, grinding, and polishing.

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DEWALT DWE4012 4-1/2-Inch Angle Grinder, 7-Amp Paddle Switch, One-Touch Guard, Quick-Change Wheel Release

The DEWALT DWE4012 is a 4-1/2-inch paddle switch angle grinder with a 7-amp motor delivering fast material removal and overload protection. Professionals handling metalwork or fabrication should buy it for its tool-free guard adjustments and durable low-profile design.

  • Powerful 7-amp motor removes material fast while providing overload protection for reliable performance
  • One-Touch Guard adjusts instantly without tools, speeding up setup on any job
  • Low-profile gear case boosts durability and fits into tight spaces effortlessly
  • Quick-Change wheel release swaps discs tool-free to minimize downtime
  • Removable 2-position side handle enhances control and comfort during long sessions

Exceptional power for quick material removal. Tool-free adjustments save time and hassle. Durable construction withstands heavy use.

Corded design limits mobility without extension cords. Paddle switch requires adaptation for trigger-switch users. Hex wrench needed for non-wheel adjustments.

DEWALT 20V MAX DCG408B Cordless 4.5" Paddle-Switch Angle Grinder - Brushless Bare Tool, 9000 RPM Power

The DEWALT DCG408B is a 20V MAX cordless 4.5-inch paddle-switch angle grinder bare tool with a brushless motor that delivers constant speed under load and up to 9000 RPM. Its anti-rotation features and lightweight 3.55 lb design make it perfect for professionals needing reliable performance on tough grinding tasks.

  • Achieve up to 56 cuts on 1/2-inch rebar for extended runtime on demanding jobs
  • Stay safe with anti-rotation Kickback Brake and E-Clutch that stop the tool instantly on bind-up
  • Power through tough materials using the brushless motor's 850 MWO and 9000 RPM no-load speed
  • Reduce fatigue with the ergonomic, lightweight 3.55 lb bare tool design for all-day use
  • Maintain consistent performance under load with overload protection and constant speed technology

Brushless motor provides superior power and efficiency. Anti-rotation safety features enhance user protection. Lightweight build minimizes fatigue during extended use.

Battery and charger sold separately, requiring additional purchase. Bare tool only, not ideal for users without compatible 20V batteries. High RPM may require careful speed management for delicate tasks.

DEWALT DCG412B 20V MAX Cordless 4-1/2-Inch Angle Grinder (Tool Only) - 8000 RPM Power, Tool-Free Changes

The DEWALT DCG412B is a 20V MAX cordless 4-1/2-inch angle grinder designed for cutting and grinding. It excels with an 8000 RPM motor, quick-change wheel release, and tool-free guard, making it perfect for professionals seeking cordless convenience and high performance.

  • Delivers 8000 RPM power for fast cutting and grinding through tough materials
  • Quick-Change wheel release enables wrench-free swaps to minimize downtime
  • Tool-free adjustable guard for safe, effortless positioning on any job
  • Ergonomic 2-finger trigger with lock-off button for secure, fatigue-free control
  • Versatile 2-position side handle enhances comfort and precision in tight spaces

High-speed 8000 RPM motor handles demanding applications effectively. Tool-free features speed up setup and adjustments. Comfortable grip and handle options improve user control.

Battery and charger sold separately, requiring existing 20V MAX ownership. Compact size may limit use with larger wheels beyond 5 inches. Higher power draw could reduce runtime on smaller batteries.

DEWALT DW840 7-Inch Angle Grinder, 13-Amp Motor, 8000 RPM, Dust Ejection System - Powerful Corded Tool for Metal Grinding & Cutting

The DEWALT DW840 is a 7-inch corded angle grinder with a 13-Amp motor delivering 8,000 RPM for heavy-duty metal grinding and cutting. Its dust ejection system and adjustable guard provide standout durability and safety, making it ideal for professional contractors and serious DIYers.

  • Delivers relentless power with 13-Amp motor for toughest metal grinding jobs
  • Dust ejection system expels debris to extend tool life and reduce downtime
  • Adjustable guard redirects sparks away from user for safer operation
  • Spindle lock enables single-wrench wheel changes to save time on the job
  • Sealed bearings block contaminants for reliable long-term performance

Exceptional power output at 8,000 RPM handles heavy-duty tasks effortlessly. User-friendly features like keyless guard and external brush access simplify use. Robust construction with sealed bearings ensures durability in demanding conditions.

Corded design limits mobility without an extension cord. High RPM generates significant noise and vibration during extended use. Lacks variable speed control for delicate precision work.

DEWALT FLEXVOLT Advantage 20V MAX Angle Grinder DCG416B - Paddle Switch, 4-1/2-5" Brushless, 54% More Power

The DEWALT DCG416B is a 20V MAX brushless angle grinder with paddle switch for 4-1/2 to 5-inch wheels, delivering up to 54% more power with FLEXVOLT batteries and 9,000 RPM. Its standout Kickback Brake and E-CLUTCH safety features make it ideal for professional contractors tackling demanding metalworking and cutting tasks.

  • Boosts cutting speed with 54% more power using FLEXVOLT batteries for faster job completion
  • Kickback Brake halts the wheel instantly on bind-ups to enhance user safety on site
  • E-CLUTCH stops the motor in under 0.1 seconds during pinches, preventing injuries
  • Universal compatibility with all DEWALT 20V MAX and FLEXVOLT batteries for seamless workflow
  • Brushless motor provides 1,550 watts out and 9,000 RPM for reliable, high-performance grinding

Superior power and speed for heavy-duty applications. Advanced safety systems reduce accident risks. Broad battery compatibility extends versatility.

Battery and charger sold separately. Paddle switch lacks lock-on for extended use. Premium features may overwhelm casual users.

DEWALT DWE43116 4-1/2-5 Inch Angle Grinder, 13 Amp Motor, Dust Ejection System, Trigger Grip, Lightweight 5.7 lbs

The DEWALT DWE43116 is a versatile 4-1/2- to 5-inch angle grinder powered by a 13-amp motor delivering 9,000 RPM. Its Dust Ejection System protects against damaging debris for enhanced durability, ideal for professional welders, fabricators, and serious DIYers needing reliable performance.

  • 13 Amp motor spins at 9,000 RPM for rapid cutting, grinding, and polishing tasks
  • Dust Ejection System ejects debris to extend motor life and maintain peak performance
  • Ultra-lightweight 5.7 lbs design reduces user fatigue during prolonged jobs
  • Versatile guards for 4.5-, 5-, and 6-inch wheels adapt to various project sizes
  • Ergonomic trigger grip ensures precise control and comfortable handling

Exceptional power from 13 Amp motor handles tough materials effortlessly. Superior dust protection boosts long-term reliability. Featherlight weight improves maneuverability and comfort.

Corded power requires nearby outlet access. Trigger switch needs constant finger pressure for operation. High RPM generates sparks, demanding proper safety gear.

DEWALT 20V MAX Cordless Brushless 4-1/2" Angle Grinder with Paddle Switch & Kickback Brake (DCG413B, Tool Only)

The DEWALT DCG413B is a 20V MAX cordless brushless 4-1/2 inch angle grinder featuring a paddle switch and kickback brake. Its brushless motor delivers longer life without brush changes, and the brake stops the wheel in 2 seconds or less, making it perfect for professionals prioritizing safety and performance.

  • Brushless motor eliminates brush changes for extended runtime and motor life
  • Rapid brake stops wheel in under 2 seconds to minimize injury risk
  • Kickback Brake instantly halts wheel during pinches or stalls for ultimate user protection
  • E-Switch Protection prevents accidental restarts after power interruptions
  • Two-stage paddle trigger ensures safe, deliberate activation

Exceptional safety with kickback brake and quick-stop wheel. Brushless technology for reliable, maintenance-free power. Paddle switch provides comfortable, ergonomic control.

Battery and charger sold separately, requiring existing 20V compatibility. Paddle switch may take adjustment for users accustomed to traditional triggers. Tool-only format increases upfront cost for new DEWALT ecosystem users.

DEWALT DWE4011 4-1/2-Inch Angle Grinder with One-Touch Guard & 7 Amp Motor - Fast Material Removal

The DEWALT DWE4011 is a 4-1/2-inch angle grinder powered by a 7-amp, 12,000 RPM motor for rapid material removal and overload protection. Its One-Touch Guard and tool-free wheel change make it perfect for professionals needing quick adjustments and efficiency.

  • Powerful 7-amp motor delivers 12,000 RPM for faster cutting and grinding with overload protection
  • One-Touch Guard adjusts without tools for safer, quicker setup on job sites
  • Quick-Change wheel release enables tool-free accessory swaps to save time
  • 2-position removable side handle enhances control and comfort during prolonged use
  • Slim ergonomic design reduces fatigue in extended grinding applications

Exceptional power for demanding material removal. Tool-free guard and wheel changes boost efficiency. Ergonomic design improves comfort and control.

Corded design limits mobility without extension cords. Fixed 12,000 RPM lacks variable speed control. Compact size may feel underpowered for very heavy-duty jobs.

DEWALT DWE402 4.5-Inch Angle Grinder, 11 Amp 11,000 RPM Motor, Paddle Switch, Compact Ergonomic Design

The DEWALT DWE402 is a 4.5-inch angle grinder powered by an 11 Amp, 11,000 RPM motor delivering the best power-to-weight ratio in its class. DIYers and professionals needing a durable, ergonomic tool with dust ejection and quick wheel changes should buy it.

  • Next-gen 11 Amp motor delivers unmatched power-to-weight ratio for efficient grinding without fatigue
  • Dust Ejection System expels debris to boost tool longevity and reliability on job sites
  • Oversized brushes double life over prior models, reducing maintenance downtime
  • Quick-Change wheel release enables wrench-free swaps for faster workflow
  • Compact ergonomic grip and side handle minimize hand strain during extended use

Exceptional power and speed for tough metal and plastic tasks. Superior durability from dust protection and long-life brushes. User-friendly ergonomics and one-touch guard adjustments.

Corded design limits portability compared to battery models. Brushes eventually require replacement despite extended life. Paddle switch may feel unfamiliar to trigger-switch users.

Whether you're a professional contractor tackling tough metalwork or a DIY enthusiast shaping projects at home, DEWALT power grinders deliver the reliability and power you need. This category showcases nine standout models, from cordless 20V MAX brushless angle grinders to heavy-duty corded 7-inch grinders, all engineered with DEWALT's legendary durability and innovative features like kickback brakes and dust ejection systems.

Why Choose DEWALT Power Grinders?

DEWALT has built a reputation for rugged tools that withstand demanding jobsites. Their power grinders stand out with brushless motors for longer runtime and efficiency, ergonomic designs for reduced fatigue, and safety features like paddle switches and one-touch guards. As part of our expansive Power Tools collection, these grinders excel in versatility, handling everything from weld cleanup to tile cutting.

Key Features to Consider

When selecting a DEWALT power grinder, prioritize these buyer-focused attributes:

  • Motor Type and Power: Brushless cordless models like the 20V MAX DCG413B offer 4-1/2 inch compatibility with up to 9,000 RPM, while corded options like the 11 Amp DWE402 hit 11,000 RPM for faster cuts.
  • Switch Design: Paddle switches (e.g., DCG408B, DCG416B) provide quick, secure control, ideal for overhead work; trigger grips suit precision tasks.
  • Battery Compatibility: FLEXVOLT ADVANTAGE models like DCG416B adapt to 20V/60V systems for extended runtime.
  • Safety and Durability: Look for kickback brakes, dust ejection (DW840), and quick-change wheels.
  • Size and Weight: Compact 4-1/2 inch models for maneuverability; larger 5-7 inch for heavy grinding.

These features ensure DEWALT grinders perform in real-world scenarios, from fabrication shops to home garages.

Comparing DEWALT Power Grinder Models

Cordless options dominate for portability. The DCG413B with paddle switch and kickback brake is perfect for tight spaces, while the DCG408B offers similar power in a bare tool format. Step up to DCG416B for FLEXVOLT versatility across grinder sizes. The DCG412B provides a reliable entry-level cordless grinder.

Corded models shine for unlimited runtime. The DWE402's ergonomic 4.5-inch design with 11 Amp motor suits daily pros. For larger jobs, the 7-inch DW840's 13 Amp power and dust ejection handle aggressive material removal. Quick-setup fans will appreciate the DWE4011's one-touch guard, and the DWE4012's 7 Amp paddle switch balances power and control. The DWE43116 extends to 5-inch wheels with a trigger for detailed work.

Choose cordless for mobility within Power & Hand Tools, or corded for max output in fixed setups. All integrate seamlessly with DEWALT's ecosystem.

Common Use Cases for DEWALT Grinders

These tools excel across applications:

  • Metalworking: Beveling, deburring, and cutting rebar or pipes.
  • Construction: Grinding welds, smoothing concrete, or prepping surfaces.
  • DIY Projects: Tile notching, rust removal, or sharpening tools.
  • Auto Repair: Smoothing body filler or cutting bolts.

For broader options, explore our Grinders category, or check cordless siblings in Power Grinders.

Frequently Asked Questions

What warranty does DEWALT offer on power grinders?

DEWALT provides a 3-year limited warranty, 1-year free service, and 90-day money-back guarantee, reflecting their confidence in tool longevity and customer support.

Cordless or corded: Which DEWALT grinder should I choose?

Cordless 20V MAX models like DCG413B suit mobile jobs; corded like DWE402 for high-volume, power-intensive tasks without battery concerns.

How do DEWALT grinders compare to competitors?

DEWALT edges out with brushless efficiency, FLEXVOLT battery tech, and job-site toughness, often outlasting rivals in rigorous testing.

Which model is best for beginners?

The DWE4011 with one-touch guard and paddle switch offers safety and ease for new users tackling light to medium grinding.

Are these grinders compatible with other DEWALT batteries?

Yes, 20V MAX models work across the DEWALT lineup; FLEXVOLT options bridge 20V/60V for maximum flexibility.

Ready to power up your toolkit? Dive into these DEWALT power grinders and find the perfect match for your needs, all backed by a brand trusted by pros worldwide. For more essentials, browse Tools & Home Improvement.

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