An angle grinder is the one handheld tool that does the work of five others. The same 4-1/2 inch disc cuts steel rod, grinds a weld bead flat, strips paint, polishes chrome and, with a diamond wheel, slices concrete and tile.
The problem for a first-time buyer is that the sub-100-dollar shelf at any hardware store looks identical. Every brand shows a yellow or red barrel, a locking switch and a “professional” badge on the box. Strip the marketing off and the machines differ in three ways that matter: how much current the motor draws, whether the gear head is metal or plastic, and whether the switch is a dead-man paddle or a slide you can accidentally knock off.
We compared ten of the best angle grinders in this entry-level tier, read the buyer feedback on each one, and pulled the specification sheets apart spec by spec. Every pick below sits inside the budget that most home projects start and stop at.
One note before you scroll: prices move constantly on power tools, so treat every number here as a direction rather than a promise. The Check Latest Price buttons under each grinder go straight to the live listing.
If you also want the unfiltered version of this list across every price tier, our broader best angle grinder roundup covers the professional picks as well.
Top 3 Best Angle Grinders Under 100 Dollars (October 2026)
Our three front-runners each win a different argument: the BLACK+DECKER is the safest overall buy, the AVID POWER delivers the most power per dollar, and the Metabo HPT is the one people reach for when their hands get tired. Here they are side by side.
BLACK+DECKER BDEG400 Angle Grinder
- 800W 6.5-Amp corded motor
- Metal gear case
- Spindle lock
- Three-position side handle
AVID POWER 7.5-Amp Angle Grinder
- 900W motor at 12000 RPM
- Tool-free guard
- Spindle lock
- Full accessory package
Metabo HPT G12SR4 Angle Grinder
- 6.2-Amp 980W output
- Lightweight 4.0-lb body
- Five wheels plus hard case
- Labyrinth dust sealing
Best Angle Grinders Under 100 Dollars in 2026 – Quick Overview
All ten grinders below are 4-1/2 inch class machines built for 120-volt household power, except the cordless CRAFTSMAN. Amps and RPM are the two numbers worth comparing first; they tell you how much material the motor can take off per pass.
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1. BLACK+DECKER BDEG400 Angle Grinder – Our Overall Best Pick
BLACK+DECKER Angle Grinder Tool, 4-1/2-Inch, 6.5-Amp (BDEG400)
6.5-Amp/800W corded motor
Metal gear case
Up to 10,000 RPM
Two-year limited warranty
The Good
- Metal gear case holds up over years of hobby use
- Lock-on switch runs without a held button
- Three-position side handle
- Spindle lock speeds up disc changes
- Grinding wheel and spanner wrench included
The Bad
- Slide switch can jump out of the on position once worn
- Noticeable vibration during use
- Not intended for continuous workshop-grade duty
The BDEG400 has the largest review base of any grinder we looked at, with 7385 owner ratings averaging 4.5 out of 5. That matters more than a shiny spec sheet at this budget level, because a big sample means the failure modes are already known and the good years are already documented.
What holds that rating up is a metal gear case inside a tool that otherwise feels ordinary. A cast gear head is the first thing budget grinders give up, and it is the part that fails when someone buries a cut disc into a steel beam. This one keeps it.
The switch is a slide-and-lock design. You hold it forward and it latches on, which is genuinely convenient for a wire wheel cleanup job where you are using both hands on the work.
Buyers also like the three-position side handle, which threads into the gearbox from the front or either side. That single feature matters on a small grinder because it lets you set the auxiliary handle to match your grip rather than working around a fixed angle.
The spindle lock button on the gear head lets you back the wheel off without pinching the arbor with a wrench. On a 4-1/2 inch wheel that is the difference between a thirty-second swap and a fiddly one, and it is the feature you will thank us for after your tenth disc change.
Why we picked the BDEG400 for most buyers
It is the rare budget grinder with a metal gear case, a lock-on switch and a two-year warranty at the same time. Reviews describe units still going years later on household projects: cutting angle iron for a railing, grinding a weld bead after a Saturday of welding, cleaning rust off a set of old toolboxes.
For anyone learning to weld, this is a good first grinder. A dead-man switch you have to hold would stop a beginner, and a switch that silently resumes running when nudged is the worst possible combination for a new user. A slide lock that you deliberately engage is a fair middle ground.
Where the BDEG400 falls short
The slide switch has a known weakness. Owners report that once the switch wears, it can creep back to the off position on its own, which on a spinning 10000-RPM wheel means the tool stops dead in your hands mid-cut.
It also runs 800 watts, which is honest for a 6.5-Amp motor but the lowest output in this group. Long cuts through thick structural steel or a full wheel of weld cleanup will heat the tool faster than a 7.5-Amp machine will.
Vibration is the other recurring comment. It is not a defect, just the cost of a lighter housing, and it settles down once you regrip rather than white-knuckle the barrel.
2. AVID POWER 7.5-Amp Angle Grinder – Best Value Pick
AVID POWER Angle Grinder, 7.5-Amp 4-1/2 inch Electric Grinder Power Tools with Grinding Wheels, Cutting Wheels and Auxiliary Handle for Cutting, Grinding, Polishing and Rust Removal – Red
900W 7.5-Amp motor
Up to 12,000 RPM
Tool-free adjustable guard
Two-year warranty
The Good
- Serious power for the money
- Cross-compatible wheels and threaded nut
- Generous package with two cutting and two grinding wheels
- Spindle lock makes disc changes fast
- Compact body fits tight spaces
The Bad
- Guard lock is simplistic with few adjustment positions
- Switch feels fragile and hard to depress
- Included cutting wheels grind slowly
The AVID POWER is the most talked-about machine in this entire roundup. It sits at number nine in the Power Angle Grinders sales ranking and carries 6252 ratings averaging 4.5, which is extraordinary for a brand most people could not name.
What makes it interesting is the sheet behind the sticker. A 900-watt, 7.5-Amp motor spinning to 12000 RPM puts it in the same output class as the Bosch and the Makita, at the top of the range for this roundup.
The accessory package is unusually generous for the money. You get two metal cutting wheels, two grinding wheels, a flap disc, the guard, a side handle and a spanner, plus spare carbon brushes in the box.
Reviews repeatedly mention the wheel compatibility. The standard arbor diameter and 5/8-11 threaded spindle mean discs from DeWalt, Makita and Bosch fit without adapters, so the cheap wheels at any hardware store are the same wheels your branded grinder uses.
Owners also report using it on concrete and tile with a diamond disc, which pushes it past the metal-only reputation of cheaper grinders. That is useful if your project list includes cutting a doorway in a slab or trimming backsplash.
Why this is the value pick
The spare carbon brushes in the box are the detail that tells you the manufacturer expects you to service the motor rather than replace the tool. A carbon brush is a consumable part, and having two in the drawer means you can keep this grinder running for years instead of retiring it when the motor starts drawing unevenly.
For a beginner welder or a homeowner with a mixed project list, this is the one I would buy with no hesitation. It has the raw output to keep up with a 7.5-Amp professional machine, and the accessory package means you are not making a second purchase before you cut anything.
What to watch out for
The tool-free guard is the weak link. Buyers like that it needs no wrench, but the locking mechanism is simple and only offers a few positions, so fine-tuning spark deflection mid-project is fussy.
A minority of owners report stripped or seized outer flanges after extended use, and several describe the on/off switch as fragile and hard to depress. Keep the tool off wet concrete dust and neither becomes an issue.
The included cutting wheels are thicker than ideal and grind slowly. They are starter wheels, not work wheels, so buy your own thin cutting disc for real stock removal.
3. Metabo HPT G12SR4 Angle Grinder – Best Lightweight Pick
Metabo HPT 4-1/2-Inch Angle Grinder, Includes 5 Grinding Wheels & Hard Case, 6.2-Amp Motor, Compact & Lightweight, G12SR4
6.2-Amp motor with 980W output
Only 4.0 lbs
Five grinding wheels plus case
The Good
- Lightest body in the roundup at 4.0 lbs
- Five grinding wheels and a hard case included
- Low-profile gear case reaches tight areas
- Slide switch with quick-off adds safety
The Bad
- Only a one-year base warranty
- No cutting wheel in the box
- 6.2-Amp output trails the 7-Amp rivals
The G12SR4 comes from Koki Holdings America, the company behind the Metabo HPT name, and it is built around one idea: make the grinder you can hold for an hour. At 4.0 pounds it is the lightest machine in this roundup, a full pound lighter than several competitors.
Its rating is 4.6 across 4973 reviews, one of the higher averages among the corded tools here. The single reason most owners give is weight, and it is a good reason.
The gear head is low profile, which means the body sits close to the work. When you are grinding a weld inside a frame joint or cleaning a bracket against a wall, the depth the tool clears matters more than the marketing.
The box contents are a real differentiator at this price. Five grinding wheels and a hard carrying case come with it, and the case matters more than it sounds because a bare grinder rattling loose in a toolbox loses its bearings long before the motor quits.
Left side mounted slide switch with a quick-off feature lets you kill the tool by sliding forward without changing your grip, which is a genuinely useful safety behavior when your hand is already on the barrel.
Why this is the pick for long sessions
Grinding a full bike frame, a steel gate or a pile of weld beads is all measured in hours, and hand fatigue shows up long before the tool does. Dropping a pound of weight off the barrel means noticeably less aching at the end of a long evening.
Owners also point to the labyrinth sealing in the gear head, a design where the bearings sit inside a maze of channels that keep grinding dust out. On a tool that spends its life near a workbench covered in filings, that is a meaningful durability detail.
What you give up for the low weight
The one-year base warranty is the shortest in this group except for the Makita, and forum readers treat warranty length as a genuine quality signal rather than paperwork.
You also get grinding wheels only. Five of them, but not a single cutting wheel, so if your plan involves cutting rod or rebar you are buying discs before you start.
At 6.2 amps and 980 watts of output, this is the second-lowest power figure here. Fine for shaping and finishing, slow on long cuts through thick steel.
4. CRAFTSMAN CMEG100 Angle Grinder – Best Warranty Pick
CRAFTSMAN Small Angle Grinder Tool 4-1/2 inch, 6 Amp, 12,000 RPM, Corded (CMEG100)
6-Amp motor at 12,000 RPM
Metal and plastic construction
Three-year limited warranty
The Good
- Longest warranty in the roundup at three years
- Three-position handle including top mount
- Contoured overmolded grip
- Tool-free guard adjusts quickly
The Bad
- 6-Amp output is modest next to 7-Amp rivals
- Heavier than most 4-1/2 inch grinders
- Not built for heavy daily professional abuse
The CMEG100 carries a three-year limited warranty, and in a category where one year is common that is not a minor detail. Buyers read it as the manufacturer saying they expect the gearbox to survive normal ownership.
The tool is built around a lock-on switch, so once it is running it keeps running until you slide it off. That makes it the right choice for wire wheel cleanup, surface prep passes and any job where you are using a single hand on the work and a glove on the switch.
It weighs 4.6 pounds, which puts it at the heavier end of the small-grinder class. On long jobs you will feel that, but the build is correspondingly more substantial than the featherweight options.
The three-position handle is unusual on a grinder this size. Most competing tools give you two positions, which is enough for right-handed work. A top mount lets you hold the auxiliary handle straight up, which is the correct angle when you are cutting overhead or working on a horizontal pipe without bending your wrist.
The contoured overmolded grip is soft where the bare tool would slip, and owners running long grinding passes comment on it holding up well once gloves and sweat are involved.
Why this suits occasional but serious work
If you grind once a month but want the thing to still start cleanly in five years, warranty length is the cleanest proxy available. It is also the one spec a manufacturer cannot fake without paying claims later.
The tool-free guard adjusts without a wrench, which pairs well with the lock-on switch. You can lock the tool running, reposition the guard and get straight back to the work without breaking your rhythm.
Where it does not compete
Six amps is the second-lowest figure in the roundup, behind the Metabo HPT only. If you are planning to cut rebar or section steel all afternoon, the 7 to 7.5-Amp machines will finish sooner with less heat in the motor.
It is also not a professional tool. Owners are clear that this is a weekend warrior machine, and anyone running it daily on a job site will outgrow it regardless of the warranty.
5. CRAFTSMAN CMCG400B Cordless Grinder – Best Cordless Pick
CRAFTSMAN V20* Angle Grinder, Small, 4-1/2-Inch, Tool Only (CMCG400B)
20V cordless platform
4-1/2 inch disc
8500 to 9000 RPM
Limited lifetime warranty
The Good
- Only cordless option in the lineup
- Cast metal gear housing dissipates heat
- Highest average rating in the roundup
- Limited lifetime warranty
- Tool-free guard and three-position handle
The Bad
- Tool only
- battery and charger sold separately
- Lower RPM than the corded rivals
This is the only cordless grinder in the roundup, and it exists because a cordless tool solves a specific problem that no amount of cord length can fix. Working on a ladder, in an attic, on a scaffold or inside an electrical panel, the cable is always in the way.
Its 4.7 average is the highest rating of the ten, sitting alongside 2988 reviews. The cast metal gear housing is the reason, and it is the same thermal reasoning that separates this machine from plastic-head budget grinders.
Do the math before you buy, though. It comes as a bare tool. Battery and charger are sold separately, and on the 20V CRAFTSMAN platform a battery costs more than this grinder does.
The rating is easy to explain: the gear housing runs cooler. Metal pulls heat away from the drive gear rather than trapping it, which matters most on the tool designed for aggressive grinding in whatever conditions you drove it to.
Owners also like that the tool-free guard and three-position handle come as standard rather than as paid upgrades. Those are usually the accessories manufacturers strip from a bare-tool bundle to hit a price point.
Who should buy this one
If you already own batteries and a charger from the 20V platform, this is the strongest pick on the list. You are buying the tool at a discount against kit pricing, and the lifetime warranty means the tool itself is a very long-term proposition.
It is also the right answer for anyone working where a cord is genuinely hazardous, such as near water, on scaffolding, or inside an enclosure where cable management is a pain.
The catch, and it is a real one
Total cost of ownership is what matters, not sticker price. Add a battery and a charger and this moves well beyond what the other nine tools here cost including their discs and guards.
At 8500 to 9000 RPM it turns noticeably slower than the 12000-RPM corded models. That is fine for shaping and finishing, but it will take longer on a full cut through thick bar.
At 5.7 pounds with a battery fitted, it is also the heaviest machine here. Cordless freedom does not buy you a light tool.
6. DEWALT DWE4011 Angle Grinder – Best for Tool-Free Guard Changes
DEWALT Angle Grinder, One-Touch Guard, 4-1/2 -Inch (DWE4011)
7-Amp AC/DC motor
12,000 RPM
One-Touch guard and quick wheel release
The Good
- One-Touch guard rotates with a lever
- Quick-change wheel release removes most discs without tools
- 7-Amp 12000 RPM motor for fast removal
- Slim body suits smaller hands
- AC/DC operation allows an alternative power source
The Bad
- Slide switch is small and easy to bump or miss
- Noticeably loud with elevated vibration
- Hex wrench replaces the spanner wrench some owners prefer
The DWE4011 is the machine to buy if you change discs constantly. It has two separate tool-free systems: the One-Touch guard rotates on a lever, and the quick-change wheel release means most disc swaps need nothing in your hands at all.
That is not a gimmick. On a small grinder the old method was a two-pin spanner wedged against the flange, which is unpleasant, sharp-edged and the reason half the discs in a typical garage have been installed backwards.
Underneath, it is a 7-Amp AC/DC motor at 12,000 RPM, which is real cutting output rather than a shop-window number. The AC/DC design means it will also run from an alternative power source.
The slim ergonomic body is narrower than most competing barrels, and owners with smaller hands call that out as a genuine comfort gain over the chunkier 4-1/2 inch tools. Fewer exposed screws also means fewer of them working loose as the tool vibrates.
It replaces the older D28110 model, so anyone upgrading from a previous DeWalt small grinder knows exactly what they are getting. The heavy-gauge flexible cord is also noticeably more robust than the thin cord bundled with cheaper tools.
Why the tool-free systems matter more than specs
The fastest way to injure yourself with an angle grinder is to fumble a wheel change with a wrench in your hand. Removing the wrench from the process removes the risk along with the annoyance.
The 2-position removable side handle threads into the same collar used by most major brands, so if you already own a handle assembly you can carry it across tools.
What reviewers complain about
The slide switch is small and sits close to the barrel, which means it is easy to bump with a glove or miss entirely. It is a fit-and-forget switch, not a safety switch, so treat it accordingly.
This is also the loudest tool in our comparison, with elevated vibration that owners notice on long cuts. Some reviewers mention that the multi-wrench was missing from their box, so check the contents when it arrives.
The supplied hex wrench replaces the traditional spanner wrench, which annoys owners who prefer working with the two-pin style on older discs.
7. Bosch GWS8-45 Angle Grinder – Best for Sustained Grinding
Bosch GWS8-45 4-1/2 In. Angle Grinder
7.5-Amp professional-grade motor
11,000 no-load RPM
Slim-Grip body
Burst-protection guard
The Good
- Strong 7.5-Amp motor in a compact body
- Ran through 15-minute stretches without overheating
- Slim-Grip design comfortable for long runs
- Directed airflow and Service Minder brushes
- Runs cooler and quieter than the class
The Bad
- Manual states it is not intended for cut-off applications
- Guard needs an Allen key and locks in set positions only
- Highest one-star share of any tool in this roundup
The Bosch GWS8-45 is the odd one out in this roundup because its manual says outright that it is not intended for cut-off applications. Buyers planning to grind weld and do surface prep ignore that line; buyers planning to slice through steel stock should look elsewhere.
Everything else about it is built like a shop tool. The 7.5-Amp motor delivers 11,000 no-load RPM, and owners report running it continuously in 15-minute stretches without the motor overheating.
That thermal behaviour is not an accident. Directed airflow moves grinding dust away from the bearings and brushes, and Service Minder brushes cut power when maintenance is due instead of letting them wear down.
The Slim-Grip body narrows toward the spindle, putting your fingers closer to the work than a straight barrel allows. It is a comfortable tool over long continuous runs, which is where the cooling design pays off.
The one-piece spanner is a nice touch: it combines the blade nut wrench and the guard key, so one part in the case does both jobs instead of two loose pieces in a tray.
Where the cooling design shows up
Heat is what kills budget grinders. A motor that holds its temperature through a long weld-cleaning session keeps its brushes and bearings, while one that runs hot shortens both.
For someone doing fabrication work rather than occasional repairs, that difference shows up as longer service life between brush changes, which is a recurring cost that never shows up in a purchase price.
The limitations you should know before buying
The guard is the weak point. It needs an Allen key and locks into a fixed set of positions, so if you need frequent spark deflection on a variety of jobs it is tedious.
The forward-canted side handle is comfortable for low and side work but awkward overhead, which is the opposite of what you want when you are cutting a ceiling or a beam above shoulder height.
Its 6 percent one-star share is the highest of the ten in this roundup, and the 1-star reviews cluster around exactly the guard and cut-off issues above. Read those before you decide.
8. SKIL 9295-01 Angle Grinder – Best for Long-Term Ownership
SKIL 6 Amp 4-1/2-Inch Corded Angle Grinder – 9295-01
6-Amp 720W motor at 11,000 RPM
Metal gear housing
Three-position handle
The Good
- Low-cost option that still cuts thick steel rod
- Metal gear housing in a budget tool
- Handle threads into three positions
- Wrench stores inside the handle
- Owners report units lasting decades
The Bad
- Short power cord of roughly 4 to 5 feet
- No carrying case included
- 6-Amp output is modest for sustained contractor work
The SKIL 9295-01 is a rare low-cost grinder that still has a heavy-duty metal gear housing. That single spec separates it from the plastic-headed bargain bin, where the gearbox is the first thing to go.
Owners report units that have been in service for decades, and this is the machine forum readers point to when someone asks whether a cheap grinder is worth buying. The answer they generally give is that this one is.
It is rated at 6.0 amps, 720 watts and 11,000 RPM. That is enough to cut thick steel rod in a single pass, which is more than most of its direct competitors manage.
The side handle threads into a collar at three positions, and the spanner wrench stows inside the handle. Losing the wrench on a tool with no case is the classic annoyance, so a handle that stores it solves a real problem.
The handle itself is designed to reduce vibration, which is measurable on a tool running at 11,000 RPM. Owners also mention smooth, low-vibration operation as a reason the tool stays in their hand rather than in a drawer.
Why this one outlasts cheaper rivals
A metal gear housing in a tool at this price is unusual. Plastic housings absorb impact and heat, then the bevel gear inside gets chewed. Metal survives both, and it is the reason this design has stayed in production for so long.
The tool-less guard and the vibration-reducing grip are also mature features that have been refined over years rather than added for a product cycle. That maturity is worth more to a first-time buyer than any feature on a newer model.
The cord is the main complaint
The power cord runs roughly four to five feet. That is the single most common complaint in reviews, and it is a real one because a short cord means working close to an outlet or dragging an extension behind you.
No carrying case is included either, so if you are bouncing between a garage and a job site you will want somewhere to put it that is not the back of a truck bed.
At 6 amps it is not a contractor tool, and the power button does feel awkward until you learn the slide motion.
9. Makita 9557PB Angle Grinder – Best for Paddle-Switch Safety
Makita 9557PB 4-1/2″ Paddle Switch Angle Grinder, with AC/DC Switch
7.5-Amp motor at 11,000 RPM
Paddle switch with lock-on
4.5 lbs
Labyrinth sealing
The Good
- Paddle switch is the quickest and safest way to start and stop
- High torque and RPM that hold under sustained cutting
- Compact 2-1/2 inch barrel for tight spaces
- Labyrinth sealing protects the drive gear
- Highest five-star share in the roundup
The Bad
- One-year warranty is short compared with CRAFTSMAN's three years
- Under load on start-up it can try to jump out of your hand
- A small number of owners report overheating during extended continuous use
The 9557PB is the only dead-man paddle switch in the roundup, and that single design choice changes how the tool behaves when something goes wrong. Squeeze to run, release to stop, and the tool cannot keep running in your hand if you let go.
That is the whole point of a paddle switch. A slide switch that is already engaged stays engaged whether or not you are holding it, and a moment of loss of grip during a kickback means the wheel keeps spinning while it finds somewhere else to go.
Underneath, it is a 7.5-Amp motor at 11,000 RPM in a 2-1/2 inch barrel weighing 4.5 pounds. That is a lot of motor in a very small barrel.
The paddle locks on for continuous work, so you are not forced to choose between safety and a long grinding pass. Hold it down for a quick cut, latch it for a weld cleanup session.
Labyrinth construction seals the drive gear and bearings inside a maze of channels that keep fine grinding dust out. On a tool that spends its life next to a welder, that is a genuine longevity feature rather than a spec-sheet line.
Why the paddle switch is worth paying for
If you are learning to weld, the paddle switch is the single best safety feature you can buy. It removes the possibility of a tool re-accelerating while it is loose in your hand, which is the failure mode beginners worry about most.
Professional users mention high torque that holds up under sustained metal cutting, plus low vibration in the hand. Forum consensus also treats Makita as one of the two standard upgrade steps once a cheap grinder stops keeping up.
Where the premium is not fully justified
The one-year warranty is short, and for a tool at this price point it is the weakest part of the package. CRAFTSMAN offers three years and Bosch backs its motors longer.
Under load on start-up it can try to jump out of your hand, which is the paddle switch doing exactly what it is designed to do but at an awkward moment. A firm two-handed grip on the start solves it.
A small number of owners report overheating during extended continuous use, and it sits at the top of the price range for this roundup. If your work is an hour a month, the money buys more elsewhere.
10. WEN 944 Angle Grinder – Best Budget Starter Tool
WEN 7-Amp Angle Grinder with 4-1/2-Inch Wheel and Reversible Handle (944)
7-Amp 840W motor
Up to 11,000 RPM
Arbor adapter for two wheel sizes
The Good
- Cheapest in the roundup yet still delivers 7 amps of output
- Arbor adapter fits both 5/8-inch and 7/8-inch wheels
- Quietest operation of the grinders owners report
- Reversible side handle for either hand
- Two-year warranty included
The Bad
- Included grinding disc can arrive scratched or nicked
- Switch can stick and is better held than latched
- Factory grease on the gears and bearings is light
The WEN 944 is the least expensive grinder here, and at 7 amps and 11,000 RPM it undercuts every other tool in the roundup on paper. The gap between its rating and its build quality is narrower than the price gap would suggest.
Its 4.6 average sits across 897 reviews, a smaller sample than the others but a healthy one. Owners describe it as a genuine starter tool rather than a throwaway.
The arbor adapter is the unusual feature. It accepts wheels with both 5/8-inch and 7/8-inch arbors, so wheels bought for other brands fit without hunting for the right one.
Quiet operation is the comment that comes up most. Several owners who have owned multiple grinders rate it as the quietest of the ones they have used, which is a real consideration if you are working in a shared space or at night.
The rubber-lined grip and reversible side handle make it workable for either hand, and the switch stops the spinning tool quickly one-handed, which is the behaviour you want when a wheel binds.
What you get for the lowest outlay
Seven amps is enough to cut stainless plate, and owners building custom electric vehicle work report using it for that. For a first project list of cutting rod, grinding welds and cleaning up edges, it does the job.
The two-year warranty is longer than several tools here that cost more, and the tool itself is simple enough that there is not much to break.
The two things to fix on arrival
The included grinding disc is the first issue. Some units arrive scratched or nicked, and a damaged disc is a safety hazard rather than an annoyance. Inspect it under light before mounting anything.
The second is the gearbox grease. Owners recommend re-greasing the gears and bearings on arrival because the factory application is light. Ten minutes of work protects the gear head for years.
It is also not built like a DeWalt or Makita, and the box contains only a wheel and a wrench. Treat it as a tool you might replace eventually, not one you will hand down.
How to Choose an Angle Grinder Under 100 Dollars
Under the 100-dollar line, the differences between these tools are narrow in output and wide in build quality. Most of your decision comes down to four things: switch type, motor output, what is already in the box, and whether you work away from an outlet.
Switch type: paddle beats slide for beginners
A dead-man paddle switch runs only while you squeeze it. A slide switch latches on and stays on. On a tool spinning at 11,000 RPM with sparks coming off a steel cut, the difference in failure behaviour is enormous.
Of the ten tools here, only the Makita 9557PB has a paddle. The rest use a slide switch with a lock-on position, which is fine and convenient as long as you treat the tool as powered whenever the switch is engaged.
Forum users repeatedly flag paddle switches for causing hand fatigue on long sessions, which is the honest trade-off. Short jobs and beginners should take the safety; eight-hour production grinding should not.
Amps, watts and RPM: what the numbers mean
Amps describe how hard the tool can push before the circuit complains. Watts describe the power the motor converts. RPM describes disc speed, which relates to how fast material comes off the wheel.
For home use, 6 to 6.5 amps is genuinely sufficient. Cutting angle iron, grinding welds and cleaning rust will not exhaust a 6-Amp motor, and the lighter tool is easier on your arm.
For sustained cutting of thick steel or rebar, move up to 7 to 7.5 amps. In this roundup, the AVID POWER and Bosch both sit at 7.5 amps, and the Makita matches them. The black-and-white rule is that anything above 6 amps handles stock removal without bogging down.
RPM matters less than most spec sheets imply. 11,000 versus 12,000 RPM is a real difference in cut speed, but disc diameter, disc quality and your technique move the result far more.
Disc size and arbor compatibility
Every grinder in this roundup takes a 4-1/2 inch disc, and that is the size to buy. A bigger disc needs a bigger machine, and a bigger machine is not in this budget tier.
Check the arbor. Most 4-1/2 inch discs mount on a 7/8-inch arbor, but the spindle thread is usually 5/8-11 UNC. The AVID POWER, DEWALT and WEN all address this explicitly with an adapter or standard fitting.
Buying wheels is where the real total cost lands. A cutting disc, a grinding disc, a flap disc and a wire cup brush is a normal starter set, and you will replace them often. Brands overlap, so discs are near-universal.
Gear housing material: the single best quality signal
A metal or cast gear head is the clearest way to tell a grinder that will last from one that will not. Metal sheds heat and survives impact; plastic does neither.
Among these ten, the BLACK+DECKER, SKIL, CRAFTSMAN CMEG100 and CRAFTSMAN CMCG400B all have metal gear housings. Several of the others list blended or plastic constructions, and that is where long-term durability risk sits.
This matters because the gear head is not a consumable. When a plastic-housed grinder finally chews its bevel gear, the tool is finished.
Corded versus cordless at this budget
Corded wins on power, weight and cost. Nine of these ten tools are corded, and for good reason: a mains motor delivers more current than a budget battery platform at a fraction of the weight.
Cordless wins in one specific situation, which is when there is no outlet. Ladders, attics, scaffolds and confined enclosures are all cases where a cord is a genuine hazard rather than an inconvenience.
Total cost matters here in a way it does not for the corded tools. If you do not already own a battery and charger on that platform, add both before comparing this against a corded grinder.
What is in the box and the hidden total cost
Accessory packages are the biggest differentiator below the 100-dollar line. The AVID POWER includes eight items: four wheels, a flap disc, a guard, a side handle, a spanner and spare carbon brushes. The WEN includes a wheel and a wrench in the box.
Working out the real cost is simple. Take the tool price, add the discs you actually need, then add a face shield, gloves and hearing protection. On a budget grinder, accessories can rival the tool price.
One free upgrade to look for is a carrying case. A grinder rattling loose in a toolbox loses its bearings long before the motor fails, and the Metabo HPT includes a hard case.
Angle Grinder Safety Rules for Beginners
None of these grinders is dangerous in the way a chainsaw is, but a 4-1/2 inch wheel at 11,000 RPM can change direction in a fraction of a second when it catches. These are the rules that matter, in order.
Check the wheel before every change. Look for cracks, nicks and missing pieces under good light. A disc that has been dropped is a disc you throw away.
Match the wheel to the material. A cut-off wheel is not a grinding wheel. Using the wrong one is the single most common cause of wheel shatter.
Fit the guard and leave it there. The guard covers the rear half of the disc to deflect sparks and debris away from your body. Never grind with the guard removed.
Use both hands. One on the barrel, one on the auxiliary handle, until the wheel has spun up to speed and you have control of it.
Start the tool away from the work. Bring it up to the material only once it is at full speed, and lift it off before you release the switch.
Watch for kickback. If the wheel binds, do not fight it. Release the switch, let the tool spin down and start again from a lighter pass.
Wear the protection. Safety glasses or a face shield, gloves, hearing protection and a respirator when grinding masonry or concrete dust.
Unplug before changing anything. Do not rely on the switch alone to make the tool safe to handle.
Never grind toward yourself or toward anything you care about. Sparks travel a long way at that speed, and a grinder removed from an angle grinder bin is a fire waiting for a dry afternoon.
Related reading: if you are clearing land rather than working metal, our best stump grinder picks cover tree and root work with a completely different class of machine.
Frequently Asked Questions
What is the best angle grinder for a budget?
For most home projects the BLACK+DECKER BDEG400 is the best budget angle grinder, because it pairs a metal gear case with a lock-on switch and a two-year warranty at a low price. If you want more cutting power instead, the AVID POWER 7.5-Amp model delivers 12000 RPM and comes with cutting and grinding wheels in the box.
What is the best angle grinder for home use?
The Metabo HPT G12SR4 is the best angle grinder for home use because it weighs only 4.0 lbs, which is the lightest body in this roundup, and it includes five grinding wheels and a hard carrying case. Light weight matters more than most specs when you are doing an hour of finishing work rather than a single cut.
What brand makes the best angle grinders?
At this budget, brand reputation and product quality diverge sharply. Makita, DEWALT and Bosch consistently appear as the upgrade step forum users recommend when a cheap grinder stops keeping up. CRAFTSMAN stands out for warranty length, with a three-year limited warranty on the CMEG100 and a limited lifetime warranty on the cordless CMCG400B. BLACK+DECKER and SKIL stand out for metal gear housings in cheaper tools.
What is a good budget angle grinder?
A good budget angle grinder needs three things: a metal gear housing, a spindle lock button and at least 6 amps of motor. Avoid anything under 6 amps, and check whether the box includes a cutting wheel or only grinding wheels. Buying your own discs is fine, but you will need them on day one.
Is a cheap angle grinder worth buying?
Yes for light to medium DIY work, no for daily professional use. Forum consensus is that a corded grinder in the mid-range of this roundup is more than enough for home projects. The failure points in the very lowest-priced models are plastic gear housings and burned-out motors, both of which the picks here avoid.
Are 4.5 inch grinders enough for heavy work?
For most jobs yes. A 4-1/2 inch grinder handles cutting angle iron, grinding welds, stripping paint and sharpening blades. It is not the right tool for rebar bundles or thick structural steel over long sessions, where a 5 inch grinder with more power is the better choice and sits above this budget tier.
Final Verdict
The best angle grinders in this price tier are not one winner but a short list with clear purposes. The BLACK+DECKER BDEG400 is the one to buy if you want a single machine that handles almost anything a homeowner throws at it, because the metal gear case and lock-on switch survive contact with real projects.
Buy the AVID POWER instead if your work is mostly cutting and you want the most power and the most accessories in the box. Buy the Metabo HPT if fatigue is your problem, and buy the Makita 9557PB if safety around a spinning wheel is what keeps you up at night.
The rest are specialists: CRAFTSMAN for warranty length, DEWALT for tool-free disc changes, Bosch for long continuous grinding, SKIL for a cheap tool with a metal head, WEN for the smallest outlay, and the cordless CRAFTSMAN if you already own the battery platform.
Whichever you choose, add a face shield, a spare cutting disc and grinding disc to your first order. Check out our full angle grinder guide for models beyond this budget when your projects outgrow a 4-1/2 inch machine.