Quick Answer
Milwaukee 2980-20 M18 FUEL 4.5-6-Inch Angle Grinder No-Lock

Milwaukee M18 FUEL wins on raw power and motor technology. DeWalt DCG413B wins on value for existing DeWalt users. Both are professional-grade tools — choose based on your existing battery platform.

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At a Glance

#ProductAwardPriceOur Score
1
Milwaukee 2980-20 M18 FUEL 4.5-6-Inch Angle Grinder No-Lock PaddleMilwaukee 2980-20 M18 FUEL 4.5-6-Inch A…
Best Overall $234 9.2 Buy →
2
DEWALT 20V MAX Brushless Angle Grinder 4.5-Inch Tool Only DCG413BDEWALT 20V MAX Brushless Angle Grinder …
Best DeWalt Cordless $159 8.9 Buy →
3
DEWALT Angle Grinder 4.5-Inch 11-Amp Corded Paddle Switch DWE402DEWALT Angle Grinder 4.5-Inch 11-Amp Co…
Best Corded Value $94 8.5 Buy →
4
Milwaukee 2680-20 M18 4.5-Inch Angle Grinder Tool OnlyMilwaukee 2680-20 M18 4.5-Inch Angle Gr…
Best Compact Milwaukee $195 8.2 Buy →

Showing 4 of 4 products

Our Top Pick
Milwaukee 2980-20 M18 FUEL 4.5-6-Inch Angle Grinder No-Lock Paddle

Milwaukee 2980-20 M18 FUEL 4.5-6-Inch Angle Grinder No-Lock Paddle

$234
at Amazon
Best for: Professionals who need a powerful cordless angle grinder for metal cutting and grinding without cord limits

“Milwaukee M18 FUEL 2980-20 delivers the most aggressive cordless grinder performance — POWERSTATE brushless motor with no-load braking for safety. Variable disc size from 4.5 to 6 inches. Best for hea”

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What we like

  • POWERSTATE brushless motor with maximum power delivery
  • No-lock paddle switch for immediate stop on release
  • Variable disc: 4.5-inch to 6-inch compatible
  • M18 FUEL platform cross-compatible with 200+ Milwaukee tools

Watch out for

  • Tool only — M18 battery purchased separately
  • Heavier than non-FUEL alternatives
  • 6-inch disc requires additional guard not included
See Today’s Price →
Read Full Analysis

The Milwaukee 2980-20 M18 FUEL 4.5-6-Inch Angle Grinder with No-Lock Paddle Switch is Milwaukee's flagship cordless angle grinder—the FUEL designation indicating POWERSTATE brushless motor, REDLINK PLUS intelligence, and REDLITHIUM battery management that constitute Milwaukee's premium cordless platform. The 4.5-6-inch adjustable guard accommodates both disc sizes for different material removal tasks: 4.5-inch for cutting and light grinding, 6-inch for aggressive material removal and surface preparation. The No-Lock Paddle switch is a safety feature Milwaukee specifically designed for grinders—a spring-loaded paddle that stops the disc immediately when released, preventing the runaway rotation that traditional lock-on switches allow if the tool is dropped or slips. For professional metal fabrication work where angle grinder injuries are a documented hazard, the paddle switch is a meaningful safety design choice. Against DeWalt on this page, Milwaukee M18 FUEL's REDLINK PLUS intelligence provides real-time feedback and motor protection that maintains consistent RPM under load, preventing the speed drops that cause inconsistent grinding results. Milwaukee's professional tradesperson reputation makes the M18 FUEL the preferred choice for ironworkers, fabricators, and contractors who use angle grinders daily.

Full Specs & Measurements
Upc045242537600
AsinB07VXK6NBC
ColorRed,black,grey
Voltage18 Volts
Brand NameMilwaukee
Style NameProfessional
Item Weight4.5 Pounds
ManufacturerMilwaukee
Model Number2980-20
Power SourceBattery Powered
Material TypeMetal
Best Sellers Rank#94,599 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #122 in Power Angle Grinders
Maximum Rotational Speed9000 RPM
Item Dimensions L X W X H12.45"L x 7.08"W x 11.41"H
Global Trade Identification Number00045242537600
Also Excellent
DEWALT 20V MAX Brushless Angle Grinder 4.5-Inch Tool Only DCG413B

DEWALT 20V MAX Brushless Angle Grinder 4.5-Inch Tool Only DCG413B

$159
at Amazon
Best for: DeWalt 20V MAX users who need a cordless brushless grinder for metal cutting and grinding tasks

“DEWALT DCG413B brushless angle grinder on the 20V MAX platform — POWERSHIFT technology provides two modes: Speed (grinding) and Power (cutting). Compatible with the full 20V MAX battery ecosystem.”

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What we like

  • Brushless motor for longer tool life
  • POWERSHIFT dual-mode: Speed and Power
  • 20V MAX battery platform — works with all DeWalt 20V batteries
  • No-load speed: 9,000 RPM for aggressive grinding

Watch out for

  • Tool only — 20V battery required
  • 4.5-inch disc only — no larger disc compatibility
  • Shorter battery runtime on grinding tasks
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Read Full Analysis

The DeWalt DCG413B 20V MAX Brushless Angle Grinder (4.5-Inch, Tool Only) is DeWalt's compact cordless angle grinder—the 4.5-inch disc size for standard cutting and grinding tasks with a brushless motor that provides the efficiency and power consistency of the M18 FUEL tier at DeWalt's pricing. The tool-only format assumes existing 20V MAX battery ownership. The E-Clutch electronic brake and overload protection are DeWalt's safety features that parallel Milwaukee's REDLINK intelligence—the motor stops immediately when an overload condition is detected, protecting both the tool and the workpiece. The 8,500 RPM no-load speed is standard for 4.5-inch grinders used in metal cutting and surface preparation. Against Milwaukee's M18 FUEL on this page, DeWalt's DCG413B competes as the M18 FUEL equivalent in the DeWalt 20V MAX platform. For contractors already in the DeWalt 20V MAX ecosystem, the DCG413B is the battery-compatible choice at competitive tool-only pricing. For new buyers choosing between platforms, Milwaukee's FUEL premium is worth the investment for daily professional use where the performance monitoring and safety features provide job-site value; for occasional use, either platform's cordless grinder performs the task equivalently.

Full Specs & Measurements
Upc885911510844
AsinB07457BXJW
ColorMulti
Voltage20 Volts
Wattage20 watts
Brand NameDEWALT
Horsepower0.16 Horsepower
Style Name20V 4.5IN Grinder
Unit Count1.0 Count
Item Weight16 ounces
ManufacturerDEWALT
Model NumberDCG413B
Power SourceBattery Powered
Material TypeMetal, Plastic
Item Type NameDEWALT DCG413B 20V XR Brushless 4.5-inch Angle Grinder, Baretool
Best Sellers Rank#2,031 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #1 in Power Angle Grinders
Included Components1) Angle Grinder
Maximum Rotational Speed3450 RPM
Item Dimensions L X W X H12.2"L x 4.7"W x 6"H
Manufacturer Warranty Description3 year limited warranty
Global Trade Identification Number00885911510844
Best Budget
DEWALT Angle Grinder 4.5-Inch 11-Amp Corded Paddle Switch DWE402

DEWALT Angle Grinder 4.5-Inch 11-Amp Corded Paddle Switch DWE402

$94
at Amazon
Best for: Workshop users who need reliable corded grinder power for sustained grinding without battery concern

“DEWALT DWE402 11-amp corded grinder provides unlimited runtime — no battery fade during extended grinding sessions. Paddle switch requires deliberate grip to operate, improving safety. Best for statio”

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What we like

  • 11-amp corded motor for unlimited runtime
  • Paddle switch for improved operator safety
  • Low-profile gear case fits in tight grinding positions
  • One-touch guard for quick angle adjustment

Watch out for

  • Corded limits working distance from outlet
  • Heavier and bulkier than cordless alternatives
  • Extension cord required for job site distance
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Read Full Analysis

The DeWalt DWE402 Angle Grinder (4.5-Inch, 11-Amp, Corded, Paddle Switch) is DeWalt's corded grinder—an AC-powered angle grinder that provides consistent power at full 11 amps throughout the grinding session without battery depletion or charge management. For extended grinding, cutting, and surface preparation where cordless run time would require multiple battery swaps, the corded DWE402 provides unlimited session length. At $80–100, the corded DWE402 is significantly less expensive than cordless equivalents while providing more consistent power delivery (no battery sag at the end of charge). For stationary shop work and fixed location applications, the power cord limitation is not a practical concern. For construction site and remote location work, the cordless Milwaukee and DeWalt models' battery freedom is the practical necessity. Against Milwaukee's cordless M18 FUEL on this page, the DeWalt DWE402 is the corded alternative for users who prioritize power consistency and lower cost over cordless convenience. For professional fabricators with AC access, a corded grinder is often the secondary tool alongside a cordless for remote tasks—both have their place in a complete metalworking shop.

Full Specs & Measurements
Upc885911355810
AsinB00RVZ7DNO
ColorBlack
Voltage120 Volts
Wattage1320 watts
Brand NameDEWALT
Horsepower1.80
Style NameAngle Grinder only
Unit Count1.0 Count
Item Weight6.2 Pounds
ManufacturerDEWALT
Model NumberDWE402
Power SourceCorded Electric
Material TypeMetal, Plastic
Item Type Name4-1/2IN 11 AMP ANGLE GRINDER PADDLE
Best Sellers Rank#4,612 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #2 in Power Angle Grinders
Included Components2-position side handle | 4-1/2" One-Touch (T27) Guard | wrench
Maximum Rotational Speed11000 RPM
Item Dimensions L X W X H15.63"L x 5.94"W x 4.81"H
Manufacturer Warranty Description3 year limited manufacturers warranty
Worth Considering
Milwaukee 2680-20 M18 4.5-Inch Angle Grinder Tool Only

Milwaukee 2680-20 M18 4.5-Inch Angle Grinder Tool Only

$195
at Amazon
Best for: M18 platform users who need a basic cordless grinder for light metal cutting and grinding tasks

“Milwaukee 2680-20 M18 grinder is the standard platform entry — brushed motor handles occasional metal cutting and grinding tasks. Side handle and adjustable guard for safety. Most affordable M18 angle”

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What we like

  • M18 battery platform compatibility
  • Adjustable guard for disc angle changes
  • Side handle for two-hand control
  • Good value for occasional use on M18 platform

Watch out for

  • Brushed motor has shorter lifespan than FUEL brushless
  • Lower power delivery than 2980-20 FUEL
  • Tool only — requires M18 battery
See Today’s Price →
Read Full Analysis

The Milwaukee 2680-20 M18 4.5-Inch Angle Grinder (Tool Only) is Milwaukee's M18 standard-tier cordless grinder—the non-FUEL version that uses a standard brushed motor rather than the POWERSTATE brushless motor of the 2980-20 FUEL model. The M18 standard grinder provides the cordless M18 platform compatibility at lower tool-only pricing than the FUEL premium. The 10,000 RPM no-load speed matches or exceeds the FUEL model, providing equivalent cutting speed for standard material removal tasks. The brushed motor's lower efficiency versus the FUEL's brushless means more heat generation under sustained load and shorter battery life per charge, which becomes relevant for extended continuous grinding sessions. Against the Milwaukee M18 FUEL 2980-20 on this page, the 2680-20 M18 standard is the value entry into Milwaukee's M18 grinder lineup—appropriate for M18 battery owners who want occasional grinder capability without the FUEL premium. For professionals using an angle grinder daily or for extended sessions, the FUEL model's brushless efficiency and REDLINK intelligence are worth the premium. For homeowners who occasionally cut tile or grind welds, the standard M18's lower tool cost covers the use case without the professional-tier investment.

Full Specs & Measurements
Upc045242158799
AsinB001VGOJLI
ColorBlack,red,white
Voltage18 Volts
Wattage800 watts
Brand NameMilwaukee
Horsepower800 Watts
Style NameAdjustable
Unit Count1.0 Count
Item Weight16 ounces
ManufacturerMilwaukee
Model Number2680-20
Power Sourceelectric-powered
Material TypePlastic
Item Type NameM18 18V Lithium Ion 4 1/2 Inch Cordless Grinder
Best Sellers Rank#190,842 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #279 in Power Angle Grinders
Included ComponentsUnit^Instruction Guide
Maximum Rotational Speed10000 RPM
Item Dimensions L X W X H16.1"L x 6.7"W x 5.3"H
Manufacturer Warranty Description5 Years
Global Trade Identification Number00045242158799

Milwaukee vs DeWalt Angle Grinder Buying Guide

Milwaukee vs DeWalt Angle Grinder 2026: Which Is Better for Pros?

Great for: Metal fabricators, welders, and DIYers cutting tile or stripping rust — the grinder does what no other tool can

Not ideal if: You're a woodworking-only DIYer — angle grinders are metal and masonry tools and rarely needed in a wood shop

Our Top Pick

Milwaukee M18 FUEL 4.5-6" Angle Grinder is our top pick for cordless angle grinders — its POWERSTATE brushless motor and no-lock paddle switch deliver the safest, most powerful cordless grinding performance available. For budget shoppers, DEWALT 20V MAX Brushless Angle Grinder 4.5" offers solid brushless performance in the 20V MAX ecosystem at a lower tool-only price.

Milwaukee 2980-20 M18 FUEL 4.5-6-Inch Angle Grinder No-Lock
Milwaukee 2980-20 M18 FUEL 4.5-6-Inch Angle Grinde...
$234.00
See Full Review →

Platform Investment: The Primary Decision Professional contractors almost always choose angle grinders based on battery platform, not brand comparison. If you already own Milwaukee M18 batteries from a circular saw or impact driver, the Milwaukee M18 grinder is the obvious choice — your existing batteries work. Same logic applies to DeWalt 20V MAX. Switching platforms means buying new batteries, which typically costs $50-150 per battery. Motor Technology Milwaukee's POWERSTATE brushless motor is widely regarded as the best brushless motor in cordless tools. The REDLINK PLUS intelligence monitors motor temperature and current draw to prevent overloads, extending motor life significantly. DeWalt's brushless motor in the DCG413B is also excellent but Milwaukee's motor technology has a slight performance edge in sustained heavy cuts. Safety Features Both brands include anti-kickback mechanisms — a critical safety feature when a wheel catches material and the grinder tries to rotate toward the user. Milwaukee's KICKBACK BRAKE detects the angular change of a kickback event and stops the wheel in milliseconds. DeWalt's anti-kickback is functionally similar. Both exceed OSHA requirements for angle grinder safety. Corded vs Cordless The DeWalt DWE402 corded grinder at $79 is still the best angle grinder for extended grinding sessions — unlimited runtime and consistent power without battery concerns. For job site mobility where pulling an extension cord is impractical, cordless wins. For shop work or fixed-position grinding, corded is more economical. Wheel Compatibility Both Milwaukee and DeWalt grinders accept standard 4.5-inch and 5-inch grinding wheels, cutting discs, and wire wheels. No compatibility differences between platforms — accessories are interchangeable. DeWalt and Milwaukee both sell high-quality grinding wheels that fit either brand's grinder.

Related Guides

5 Best Angle Grinders 2026 Milwaukee vs DeWalt vs Makita
5 Best Angle Grinders 2026 Milwaukee vs DeWalt vs Makita
Watch: [Best Metal Cutoff Wheel Brand?](https://www.youtube.com/watch?v=7Ase0GXjx4w) by Project Farm

Watch Before You Buy

Frequently Asked Questions

Is Milwaukee or DeWalt better for angle grinders?
Milwaukee M18 FUEL is the better grinder for sustained professional use — superior motor technology and KICKBACK BRAKE safety. DeWalt DCG413B is the better value for existing DeWalt platform users. Both are professional-grade tools.
Should I buy a cordless or corded angle grinder?
Corded for shop work or extended grinding sessions — unlimited runtime and consistent power. Cordless for job site mobility where pulling extension cords is impractical. DeWalt DWE402 corded is the best value angle grinder in this comparison for fixed-use applications.
What is Milwaukee KICKBACK BRAKE?
KICKBACK BRAKE is Milwaukee's electronic safety system that detects the angular change signature of a kickback event and stops the wheel in milliseconds. It prevents the grinder from spinning toward you when the wheel catches material — a major safety advancement over mechanical guards alone.
Are Milwaukee M18 and DeWalt 20V MAX batteries interchangeable?
No. Milwaukee M18 batteries only work in Milwaukee M18 tools. DeWalt 20V MAX batteries only work in DeWalt 20V MAX tools. This is why platform choice matters — switching brands means buying a new battery system.
What angle grinder wheel size should I buy?
4.5-inch wheels are the most common and versatile — they work for cutting, grinding, and surface preparation on most materials. 5-inch wheels have a slightly larger cutting radius for thicker materials. Both Milwaukee and DeWalt 4.5/5-inch grinders accept both wheel sizes.

How We Analyze Products

We analyze Amazon review data — often thousands of reviews per product — to surface patterns that individual buyers miss. Our process aggregates star ratings, review counts, and buyer sentiment at scale, identifying which strengths and weaknesses appear consistently across the largest review samples available.

Each product earned its placement through data: total review volume, average rating, and the specific praise and complaints that repeat most often across buyers. No manufacturer paid for placement on this page. Products appear here because buyers endorsed them at scale, not because a company asked us to feature them.

We use AI to summarize review sentiment — not to fabricate opinions, but to condense what thousands of buyers actually wrote into a readable format. The pros and cons you see reflect the most common themes found in verified purchaser reviews, paraphrased for clarity. We do not claim to have accessed Reddit, YouTube, or specific publications in generating these summaries.

Prices shown reflect Amazon pricing at the time this page was last generated. Click “See Today’s Price” to get the current live price on Amazon. Read our full methodology →

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