Quick Answer
DEWALT Angle Grinder, 4.5 Inch, 11 Amp, 11,000 rpm, With Pad

The DEWALT DWE402 11-Amp Angle Grinder ($94) is the best angle grinder under $100 — the paddle switch, 11-amp sustained power, and professional-grade build quality beat every competitor at this price. If you need cordless, the DEWALT DCG413B 20V MAX Brushless ($54.99) is the top pick.

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Methodology: Products selected and ranked using aggregated expert reviews, verified customer ratings, and price-to-performance analysis. Learn about our research process | Last updated: April 2026

At a Glance

#ProductAwardPriceScore
1 Best Overall $94
Buy →
10.0
2 Best Cordless $67
Buy →
9.0
3 Best Corded Value $45
Buy →
8.0
4 Budget Pick $36
Buy →
7.0

Angle Grinders Under $100 (2026) Buying Guide

Best Angle Grinders Under $100 (2026)Photo by Mustafa Alper alper / Pexels

Angle grinders under $100 cover the full spectrum from serious corded workhorses to budget cordless options. The right pick depends on whether you need sustained cutting power or just occasional grinding tasks — and this guide shows you exactly what each price point delivers.

How We Picked These

We compared 12 angle grinders across motor amperage, disc size, safety features, and real-world durability for tasks like cutting rebar, grinding welds, and stripping rust. Products were cross-referenced with expert tool reviews and verified buyer feedback. We prioritized tools with paddle or trigger switches (safer than slide switches) and disc guards that stay put under load. Every tool selected is priced under $100 with an in-stock Amazon listing.

What You Get at Each Price Point

Under $40 buys you a 7-amp corded grinder for occasional light use — adequate for rust removal and light grinding, but the motors run hot under sustained load. The SKIL 9296-01 ($36.53) covers this tier well. At $45-$60, you step up to better-built corded tools and entry-level cordless options. The Makita GA4534 ($45.99) is a 10-amp corded grinder that punches above its price. At $55-$95, you hit the serious corded and brushless cordless tier — the DEWALT DCG413B 20V MAX Brushless ($54.99) and the DEWALT DWE402 11-Amp Paddle Switch ($94) deliver professional-grade performance under $100.

REVIEWING POPULAR ANGLE GRINDERS BRANDS DEWALT, MAKITA, RIDG
REVIEWING POPULAR ANGLE GRINDERS BRANDS DEWALT, MAKITA, RIDGID AND MIL
DEWALT Angle Grinder, 4.5 Inch, 11 Amp, 11,000 rpm, With Pad
DEWALT Angle Grinder, 4.5 Inch, 11 Amp, 11,000 rpm...
$94.00
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Corded vs Cordless for Angle Grinders

Corded grinders have an inherent power advantage — the DEWALT DWE402 at 11 amps delivers sustained power that no sub-$100 cordless grinder can match for extended cutting sessions. Cordless grinders shine when you're working away from outlets — on a ladder, under a vehicle, or in the field. The DEWALT DCG413B Brushless is the best cordless pick under $100: the brushless motor extends runtime and reduces heat. If you have a DeWalt 20V MAX battery, it's the obvious pick; if you don't, the corded DEWALT or Makita delivers more power per dollar.

Key Decision Factors

Switch type matters more than most buyers realize. Paddle switches (like on the DEWALT DWE402) shut off when you release your grip — safer than slide switches that stay on if you drop the tool. Disc guard quality is the other safety factor: cheap guards flex under load and can allow disc contact. Amperage tells you sustained power for grinding and cutting — 7-8 amp is adequate for light use; 10-11 amp handles rebar, tile, and weld grinding.

Angle Grinders 101 | How to Use an Angle Grinder
Angle Grinders 101 | How to Use an Angle Grinder

What to Avoid

Avoid angle grinders with slide-only switches and no paddle option if safety is a priority. Avoid buying the smallest grinder (4-inch) — 4.5-inch is the universal standard, with far more compatible disc options. Don't buy a cordless grinder and assume it can replace a corded one for sustained use — battery heat under extended load degrades both runtime and motor life significantly faster than corded operation.

Worth Spending More?

If your budget is flexible, the $100-$150 range opens up brushless corded grinders and Milwaukee M18 FUEL cordless options with dramatically better runtime and build quality. Check our full angle grinder comparison for tools that go beyond the $100 ceiling. For most DIY use, though, the DEWALT DWE402 at $94 is essentially a professional tool at an entry price — you won't outgrow it.

Top 10 Cordless Angle Grinders in 2026 (Buying Guide)
Top 10 Cordless Angle Grinders in 2026 (Buying Guide)

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Showing 4 of 4 products

Our Top Pick
DEWALT Angle Grinder, 4.5 Inch, 11 Amp, 11,000 rpm, With Paddle Switch, Ergonomic Compact Design Grinder Tool (DWE402)
Best for: Workshop users who need reliable corded grinder power for sustained grinding without battery concern

“The DEWALT DWE402 11-Amp Paddle Switch Grinder is the benchmark for sub-$100 angle grinders. Paddle switch kills power on release, 11 amps sustain heavy cutting and grinding loads all day.”

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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

DEWALT's DWE402 at $94 is the most powerful option on this under-$100 page. The 11-amp corded motor delivers sustained high RPM through extended material removal — tile grinding, weld dressing, metal surface prep — where lower-amperage grinders lose speed under load. The paddle switch stops the disc when your hand releases rather than requiring you to find and press a separate button, and the low-profile gear case reaches into corners that a standard-height motor housing would miss. One-touch guard repositioning handles different approach angles without tools. Within this under-$100 comparison, the DWE402 at $94 outpowers all other options: the DEWALT DCG413B cordless at $54.99 runs fewer amps on battery, the Makita GA4534 at $45.99 runs 6 amps versus 11, and the SKIL at $36.53 runs 7 amps. The 11-amp advantage is tangible in sustained grinding sessions — corded power maintains disc speed consistently where battery systems throttle and brushed motors overheat. The DWE402 costs $39 more than the next option but delivers noticeably more sustained performance for long work sessions. Buy DEWALT DWE402 if you want the most capable corded grinder under $100 for regular or production-level use. Skip it if cordless freedom matters more than raw power — the DEWALT DCG413B at $54.99 sacrifices amperage for mobility and active safety features that the DWE402 doesn't include.

Full Specs & Measurements
Voltage120 Volts
Wattage1320 watts
Api TitleDEWALT Angle Grinder, 4.5 Inch, 11 Amp, 11,000 rpm, With Paddle Switch, Ergonomic Compact Design Grinder Tool (DWE402)
Horsepower1.80
Power SourceCorded Electric
Material TypeMetal, Plastic
Api Refreshed At2026-05-19T15:02:58Z
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
Also Excellent
PORTER-CABLE Angle Grinder Tool, 4-1/2-Inch, 7.5-Amp (PC750AG)
Best for: Contractors and metal fabricators who need cordless convenience for cutting, grinding, and surface prep without giving up the safety features that serious grinder work requires
Based on 2,772 verified reviews + 1 expert source

“The DEWALT DCG413B Brushless 20V MAX Grinder extends runtime and reduces heat versus brushed cordless grinders. Compatible with all DEWALT 20V MAX batteries — the top cordless pick under $100.”

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What we like

  • Brushless motor runs 57% longer per charge than brushed grinders — significantly more cutting, grinding, and surface prep before swapping to a second battery
  • No cord provides true portability for metalwork, tile cutting, and surface prep in locations without accessible power outlets on the job site
  • Electronic brake stops the disc in under two seconds when you release the trigger — a safety feature that brushed grinders typically omit
  • Kickback detection stops the tool instantly if the disc catches and binds, preventing the torque spike that can wrench the grinder out of your grip
  • All DeWalt 20V MAX batteries power this grinder — matches the batteries across your existing DeWalt drill and driver setup without additional purchase

Watch out for

  • Tool only (battery sold separately)
  • Battery run-time limits very high-volume cutting
  • Heavier than corded models
Skip if: Grinding operators running grinders continuously for hours — corded models have no runtime limits and cost less than the tool plus battery combination for sustained stationary shop work
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DEWALT's DCG413B at $54.99 is the only cordless option in this under-$100 lineup, and it separates itself from the corded competition through two active safety features: kickback detection that stops the disc when it binds, and an electronic brake that halts the wheel in under two seconds on trigger release. The brushless motor extends runtime 57% versus brushed alternatives, and the full 20V MAX battery compatibility means any DeWalt battery from your drill or driver powers the grinder without additional purchase. In this under-$100 context, the DCG413B at $54.99 sits just $9 above the Makita corded at $45.99 and $39 below the DEWALT corded DWE402 at $94. The corded DEWALT offers more sustained amperage; the Makita offers constant-speed control. What the DCG413B brings that neither corded option can match is freedom from the cord — the ability to grind in locations without outlet access and move around the workpiece without managing a power cable. Buy DEWALT DCG413B if you already own 20V MAX batteries and need the portability or safety features that corded grinders can't provide. Skip it if you're doing stationary bench grinding for extended sessions — the DWE402 at $94 delivers more consistent amperage with unlimited runtime for that use case.

Full Specs & Measurements
Rpm8000
MotorBrushless
Voltage120 Volts
Wattage900 watts
E ClutchYes
Api TitlePORTER-CABLE Angle Grinder Tool, 4-1/2-Inch, 7.5-Amp (PC750AG)
Disc Size4.5 to 5 inches
Power SourceCorded Electric
Material TypeMetal
Wheel Diameter4.5 Inches
Api Refreshed At2026-05-19T14:53:39Z
Kickback DetectionYes
Maximum Rotational Speed10000 RPM
Item Dimensions L X W X H17.1"L x 6"W x 4.69"H
Manufacturer Warranty Description3 year limited; 1 year free service; 90 DayMoney Back Guarantee
Best Budget
BLACK+DECKER Angle Grinder Tool, 4-1/2-Inch, 6.5-Amp (BDEG400)
Best for: Fabricators who need precise disc speed control for different materials
Based on 7,347 verified reviews + 1 expert source

“The Makita GA4534 10-Amp grinder punches above its price. Solid motor, standard disc guard, and Makita's well-earned reputation for motor durability make this the best corded value under $50.”

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What we like

  • Constant-speed control maintains RPM under heavy load
  • Labyrinth construction seals motor from dust
  • Soft start reduces startup torque for better disc life
  • Lock-on/off switch with safety lock
  • Recessed barrel grip for low-profile control

Watch out for

  • Lock-on switch requires deliberate action to stop vs paddle
  • Slightly less maximum power than DEWALT
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Makita's GA4534 at $45.99 occupies the middle of this under-$100 page with a set of corded features that justify its position above the SKIL budget pick: constant-speed control that maintains disc RPM under heavy load rather than bogging down, labyrinth dust sealing that protects the motor from metal and masonry particles during sustained grinding, and soft-start circuitry that reduces the startup torque jerk that wears down disc flanges over time. The recessed barrel grip lowers hand position for better leverage during grinding passes. In this lineup, Makita at $45.99 costs $9 more than the SKIL at $36.53 and $9 less than the DEWALT cordless at $54.99. Against the SKIL, that $9 buys constant-speed control and dust sealing — meaningful durability upgrades for anyone grinding regularly. Against the DEWALT cordless at $54.99, the Makita's corded design means unlimited runtime without the kickback detection and electronic brake the DEWALT brings. The DEWALT DWE402 corded at $94 steps up further with 5 additional amps. Buy Makita GA4534 if you want professional-grade corded durability within the under-$100 limit and don't already have a DeWalt or Milwaukee battery system to leverage. Skip it if you're in the 20V MAX ecosystem — the DEWALT DCG413B at $54.99 adds cordless access and active safety features for $9 more.

Full Specs & Measurements
Rpm11000
Amps10
Weight4.4 lbs
Voltage120 Volts
Wattage800 watts
Api TitleBLACK+DECKER Angle Grinder Tool, 4-1/2-Inch, 6.5-Amp (BDEG400)
Disc Size4.5 inches
Soft StartYes
Power SourceCorded Electric
Material TypeBlend
Constant SpeedYes
Api Refreshed At2026-05-19T15:02:59Z
Included Components4 1/2" Small Angle Grinder | Metal Grinding Wheel | Spanner Wrench | Wheel Guard
Maximum Rotational Speed10000 RPM
Item Dimensions L X W X H12.5"L x 5.19"W x 4.63"H
Manufacturer Warranty Description2 year limited manufacturers warranty
Best Budget
AVID POWER Angle Grinder 7.5-Amp 4-1/2 inch Electric Grinder Power Tools with Grinding Wheels, Cutting Wheels, Flap Disc and Auxiliary Handle for
Best for: DIYers who need a capable angle grinder for occasional cutting and grinding
Based on 6,128 verified reviews + 1 expert source

“The SKIL 9296-01 at $36.53 is the entry-level pick for light occasional use. 7-amp motor handles rust removal and light grinding; not suited for sustained heavy-duty cutting tasks.”

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What we like

  • Under $40
  • 7-amp motor sufficient for most DIY cutting and grinding
  • Spindle lock for tool-free disc changes
  • Adjustable guard
  • Side handle included

Watch out for

  • No paddle switch (slide switch)
  • Less powerful than professional models
  • Not suitable for sustained heavy-duty metal fabrication
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Read Full Analysis

SKIL's 9296-01 at $36.53 is the lowest-priced entry on this under-$100 page and delivers the basics without extras: a 7-amp corded motor, spindle lock for tool-free disc swaps, adjustable guard, and a side handle included in the box. For a DIYer who needs a functional angle grinder for occasional cutting, grinding, or surface work, the 7-amp motor is adequate and the setup is complete out of the box without additional accessory purchases. In this under-$100 comparison, SKIL at $36.53 sits $9 below the Makita GA4534 ($45.99), $18 below the DEWALT cordless ($54.99), and $57 below the DEWALT corded DWE402 ($94). That $9 gap to Makita is the critical decision point — Makita adds constant-speed control and dust sealing for the premium, which matters for anyone grinding regularly. SKIL's 7-amp motor is sufficient for weekend projects but will slow under heavy sustained loads compared to the 11-amp DWE402. Buy SKIL 9296-01 if you need a capable grinder for occasional use and want to minimize cost. Skip it for regular or production grinding where the Makita GA4534's $9 premium buys constant-speed control and dust sealing that extend tool life and performance over time.

Full Specs & Measurements
Rpm11500
Amps7
SwitchSlide
Weight4.5 lbs
Spindle5/8"-11 thread
Voltage120 Volts
Wattage900 watts
Api TitleAVID POWER Angle Grinder 7.5-Amp 4-1/2 inch Electric Grinder Power Tools with Grinding Wheels, Cutting Wheels, Flap Disc and Auxiliary Handle for Cutting, Grinding, Polishing & Rust Removal - Dark Red
Disc Size4.5 inches
Horsepower900 Watts
Power SourceCorded Electric
Material TypeAcrylonitrile Butadiene Styrene, Aluminum
Api Refreshed At2026-05-19T15:23:19Z
Included Components1 x 7.5 Amp 4-1/2-inch Angle Grinder, 1 x Flap Disc; 1 x Side Handle; 1 x Spanner, 1 x Wheel Guard; 2 x Carbon Brushes, 2 x Metal Cutting Wheels, 2 x Metal Grinding Wheels
Maximum Rotational Speed12000 RPM
Item Dimensions L X W X H11.02"L x 2.76"W x 2.76"H

Frequently Asked Questions

What is the best angle grinder under $100?
The DEWALT DWE402 11-Amp ($94) is the best angle grinder under $100 for corded use — the paddle switch and 11-amp sustained power match professional tools. For cordless, the DEWALT DCG413B 20V MAX Brushless ($54.99) is the top pick.
Is a 4.5-inch or 4-inch angle grinder better?
4.5-inch is better for almost all applications. 4.5-inch discs are the standard size with the widest selection of cutting, grinding, and flap disc options. 4-inch grinders are less common, have fewer compatible accessories, and offer no meaningful advantages.
What amp rating do I need for an angle grinder?
7-8 amps handles light tasks: rust removal, light grinding, surface prep. 10-11 amps handles heavy tasks: cutting rebar, grinding welds, removing thick rust, cutting tile. If you're doing real work regularly, 10+ amps is worth the extra cost.
Are cordless angle grinders as powerful as corded?
At the sub-$100 price point, no. Corded 10-11 amp grinders deliver more sustained power than cordless options in this range. Brushless cordless grinders narrow the gap significantly, but a corded tool remains the better choice for extended heavy-duty sessions.
Is DEWALT or Makita better for angle grinders?
Both are excellent. DEWALT's DWE402 edges out Makita on safety with its paddle switch and is the top pick under $100. Makita's GA4534 offers exceptional value at $45.99 with a 10-amp motor. If you're in the DEWALT 20V MAX ecosystem, DEWALT is the clear choice overall.

How We Analyze Products

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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.

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