Types of Sanders: 14 Kinds and Which One You Need

There are more types of sanders than most people expect, and the names overlap: a palm sander can be a sheet sander or a random orbital, and “finishing sander” means different things on different boxes. This guide sorts the types of sanders by what each one actually does to the surface, so you can match the tool to the job instead of the label. If you would rather skip ahead, the finder below asks six questions and tells you which sander you need, why, and which model we would look at first. Every pick links to our full review before it links to a store.

Jump to: the sander finder · handheld sanders · stationary sanders · conclusion · FAQ

Find Your Sander: 6 Questions

Pick an answer in each group. The result updates as you go and appears under the questions once the first four are answered; the last two are optional. The finder only recommends tools we have reviewed, and when nothing on our review pages fits your answers, it says so instead of guessing.

Sander finder

0 of 6 answered

1What are you sanding?

DeckHardwood floorFurniture or cabinetsDoors, trim or stairsWalls or drywallPainted wood (stripping)Car bodyCurves and edges (shop)Rough boards (flattening)

2What’s the main job?

Remove a lot, fastSmooth and prep for finishGet into corners and detailsShape curves or edges

3How big is the surface?

Small partsTabletop or doorRoom-sized (floor, deck, wall)

4Corded or cordless?

CordedCordless, no batteries yet

Cordless, and I already own batteries for:

DeWalt 20V MAXMilwaukee M12Milwaukee M18Makita 18V LXTRyobi ONE+Bosch 18VBLACK+DECKER 20V MAXCraftsman V20

5Where will the dust go? Optional

Indoors, I need it collectedI have a shop vacOutdoors, it doesn’t matter

6Budget Optional

$ Budget$ Mid-range$$ PremiumAny

Start over

Your sander appears here

Answer the first four questions. We match your surface and job to a type of sander, then sort the models from our reviews by your batteries, dust and budget.

The Types of Sanders at a Glance

Sanders split into two families. Handheld sanders move over the work, so they suit anything already installed or too big to carry: decks, floors, doors, walls, furniture. Stationary sanders stay put and you bring the work to them, which gives you control over edges, curves and thickness that no handheld tool can match.

Handheld Power Sanders

Handheld sanders differ in two ways that matter: the shape of the pad, which decides where it can reach, and the motion, which decides how fast it cuts and what kind of scratch it leaves behind. A tool that cuts fast leaves deeper, more visible scratches, so most projects use two types in sequence: an aggressive one to remove material and a gentle one to finish.

In the overview under each type, the removal and finish dots compare the types with one another on a 1 to 5 scale. They are our relative reading of how each tool cuts, not lab measurements. Each type also shows the Editor’s Choice from its own review page.

Random Orbital Sander

A random orbital sander drives a round, hook-and-loop pad in two motions at once: it spins, and it moves in small offset circles. Because no abrasive grain follows the same path twice, the scratches it leaves are short and scattered rather than lined up, and they disappear under stain far better than the swirls from a plain spinning disc. The common pad sizes are 5 inches and 6 inches, and the discs are sold everywhere.

It is the closest thing to a universal sander. With a coarse disc it strips old finish from a tabletop; with a fine disc it prepares bare wood for oil or paint. What it cannot do is reach into a square inside corner, since the pad is round, and it is slower than a belt sander on very rough stock. Our random orbital sander reviews compare the corded models, and how to use an orbital sander covers technique.

Sheet Sander (Finishing Sander)

A sheet sander, also sold as an orbital finishing sander, has a flat rectangular pad that vibrates in tiny orbits without rotating. It clamps ordinary sandpaper cut from a standard sheet, and the size names describe how much of the sheet it takes: quarter-sheet, third-sheet or half-sheet. The square pad reaches right into inside corners and sits flat on narrow edges, which a round pad cannot do.

It removes material more slowly than a random orbital, so it is a finishing tool rather than a stripping tool. Quarter-sheet models are small enough for one hand; half-sheet models cover wide panels such as doors and cabinet sides. See our best sheet sanders, and sheet sander vs random orbital sander if you are choosing between the two.

Palm Sander

“Palm sander” names a body shape, not a mechanism: a compact sander you hold with one hand on top. In practice it covers two tools, the quarter-sheet finishing sander and the 5-inch random orbital, which is why the phrase causes so much confusion in reviews and at the store. Before buying one, check which pad it has, because that decides what it does.

Palm sanders are the right size for furniture, shelving, cabinet doors and anything you sand overhead or on a ladder. Our palm sander picks include both kinds, and palm sander vs orbital sander explains the overlap.

Detail Sander (Mouse Sander)

A detail sander has a small, pointed, iron-shaped pad that oscillates. The point pushes into inside corners, along window muntins, between balusters and into the recesses of raised panels. Many models add finger attachments for louvers and slots, and the smallest delta sanders are built for model work and tight joinery.

The small pad that makes it useful also makes it slow, so it is a second sander rather than a first one. Pair it with a random orbital for the open areas. Our best detail sanders cover corded and cordless models, and detail sander vs orbital sander compares the two directly.

Belt Sander

A belt sander runs a continuous loop of abrasive over two drums, always in one direction. That straight, continuous cut makes it the fastest handheld sander for removing material: leveling glued-up panels, stripping a weathered deck, taking paint off a door. Common handheld belt sizes are 3 by 21 inches and 4 by 24 inches, and the larger belt covers more ground per pass.

The same power is the risk. Parked in one spot or tipped on an edge, a belt sander digs a hollow in seconds, and it will cut straight through veneer. Always move with the grain and follow up with a random orbital to erase the straight scratches. Start with our belt sander reviews, then read how to use a belt sander and belt sander vs orbital sander.

Disc Sander (Rotary Sander)

A handheld disc sander spins its abrasive disc on a fixed center, with no orbit. It removes material aggressively and leaves circular scratches, which is fine on metal, on paint you are about to strip away, or on rough shaping, but not on wood you plan to stain. Most woodworkers reach for a random orbital instead; the disc sander earns its place in auto body, metal and heavy paint removal. Our disc sander picks cover the handheld models.

Dual-Action (DA) Sander

In a body shop, “DA” means a random orbital sander built for automotive work. The motion is the same as a woodworking random orbital; the tools differ in orbit size, weight and power source. Traditional DAs run on compressed air, which needs a compressor that can keep up, while newer brushless electric models such as the Mirka DEROS plug into the wall. DAs feather filler and primer without the flat spots or grooves a rotary tool leaves. Our best sander for auto body work compares electric and air models.

Drywall Sander

A drywall sander puts a round sanding head on a long pole, so you can reach from the baseboard to the ceiling without a ladder. Most connect to a vacuum or extractor, and that matters more than the motor, because joint compound dust is extremely fine and travels through the whole house. For a few patches or a single seam, you do not need one: a sanding sponge is quicker to set up and easier to control. Compare the options in our best sanders for walls, and choose paper with what grit to sand drywall.

Oscillating Multi-Tool With a Sanding Pad

An oscillating multi-tool is mainly a cutting and scraping tool, but a triangular sanding pad turns it into a passable detail sander. It is slow on flat areas and the pad is small, so treat it as a bonus, not a replacement. If you already own one, try it on corners before buying a dedicated detail sander. Our oscillating multi-tool picks note which ones take sanding pads well.

Stationary and Benchtop Sanders

Stationary sanders bolt to a bench or stand on the floor. Because the tool stays fixed and a table supports the work, you get square edges, true curves and even thickness that are hard to achieve freehand. They are corded shop machines, and each has a narrow specialty, so buy them for a specific kind of work rather than as a general sander.

Benchtop Belt and Disc Sander

This combination machine puts a vertical or tilting belt and a spinning disc on one motor, each with its own table and miter slot. The disc squares and trims end grain and sands outside curves; the belt flattens faces and edges on small parts. It is the stationary sander most home shops buy first. See our belt and disc sander reviews and the wider benchtop sander guide.

Oscillating Spindle Sander

A spindle sander spins an abrasive sleeve on a vertical drum and moves it up and down at the same time. The oscillation spreads wear along the sleeve and keeps the abrasive from burning the wood, and interchangeable drums let you match the radius of an inside curve. Nothing else sands inside curves, cutouts and scroll work as cleanly. Our spindle sander picks include benchtop and portable models.

Drum Sander

A drum sander feeds a board on a conveyor under a spinning abrasive drum, taking a very light cut each pass. It flattens glue-ups and brings wide boards to an even thickness, and it handles figured wood that tears out in a planer. Open-ended models can sand boards wider than the drum by flipping them for a second pass. It is slower than a planer and the abrasive costs more, so many shops use both. Read our drum sander reviews and drum sander vs planer.

Edge Sander

An edge sander runs a long belt horizontally beside a table, often with oscillation. You slide long boards, doors and panels along it to sand edges straight and square, and many models add a curved end roller for inside curves. It is a shop machine for furniture and cabinet makers who sand a lot of edges. Our edge sander picks compare the main models.

Floor Sanders: Rent, Don’t Buy

Refinishing a whole floor calls for walk-behind machines most people rent by the day: a drum floor sander, which cuts fast and demands a steady hand, or an orbital floor sander, which is gentler and slower. Both need an edger for the strip along the walls, and a detail sander finishes the corners. For stair treads, thresholds and small patches, handheld tools are enough. Start with how to sand hardwood floors and our best sanders for floors.

How to Choose the Right Type of Sander

Start With the Surface, Then the Job

The surface decides the family and the job decides the type. A deck and a tabletop are both flat wood, but a weathered deck needs removal first, so a belt sander leads; a tabletop needs a flawless finish, so a random orbital leads. Corners and profiles always add a detail sander. Curves point to a spindle sander, and rough boards point to a drum sander or a planer. That logic is exactly what the finder above runs.

Corded or Cordless: Follow Your Batteries

Batteries cost more than most bare sanders, so if you already own a platform, the cheapest good sander is usually the bare tool from that brand. Cordless sanders make sense for decks, trim and site work far from an outlet. For long sessions in the shop, corded tools never run down. Our cordless sander reviews list models by platform. The finder never swaps one brand’s battery tool for another’s and calls it equivalent: batteries do not cross brands.

Pad Size and Sheet Size

Bigger pads cover more area per pass, but they are heavier and harder to steer on small parts. A 5-inch random orbital or quarter-sheet sander suits furniture and trim, while a 6-inch orbital or half-sheet sander pays off on doors, tabletops and floors. Grit matters as much as pad size: work up from coarse to fine without skipping steps, using our grit chart for wood.

Dust Collection Is Not Optional Indoors

Built-in bags catch some dust; a hose to a shop vacuum or extractor catches far more, and it also makes the abrasive cut better because the scratch is not clogged. If you sand inside, choose a sander with a vacuum port, connect it to a shop vac for dust collection or a dust extractor, and add a dust separator so the filter does not choke. Our dustless sander picks are built around this. Wear a respirator rated for fine dust either way.

Old Paint: Test for Lead Before You Sand

Sanding is the worst way to deal with lead paint, because it turns it into fine dust. The US Environmental Protection Agency says homes built before 1978, when lead-based paints were banned, probably contain lead-based paint. It advises repairing small areas of damaged paint without sanding, and says that if you must sand, wet the area first, sand the minimum area needed and clean up thoroughly (EPA: Reduce the Risk of Lead Exposure at Home). Test old paint before you start. For stripping, a chemical paint stripper or a heat gun often removes more with less dust; our sanders for removing paint and how to strip paint from wood explain when each makes sense.

Conclusion: Which Type of Sander Should You Buy?

For most people the first sander should be a 5-inch random orbital: it strips, smooths and finishes nearly every flat surface without the swirl marks of a disc or the gouging risk of a belt. Add a detail sander when corners and trim start to slow you down, and a belt sander only if you regularly face large, rough or painted surfaces. Stationary sanders are specialists, so buy one for the job it does best: a spindle sander for curves, a drum sander for flattening boards, a belt and disc sander for small parts. If you are still unsure, the sander finder at the top of this page matches your project to a type in six questions.

Whichever you choose, the grit sequence matters as much as the tool: see what grit sandpaper for wood. Then compare models in our random orbital sander reviews, best detail sanders and belt sander reviews.