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Scheppach OSM100 review

An oscillating spindle sander with six sleeve sizes in the box — the machine that makes an inside curve as clean as an outside one.

The end of it The specialist that earns its bench space the first time you sand an inside curve properly.

Every figure is a manufacturer specification, read off the listing itself, and the judgments are ours — drawn from how the specification behaves in this class of machine and from what long-term owners consistently report. Where a figure is missing, we say so rather than fill it in.

What the specification says

450 W, oscillating spindle, six sanding sleeves with matching drums and table inserts, part number 4903401901.

The job it does that nothing else does

An inside curve. A belt sander reaches an inside curve only over its end roller, at one radius; a disc sander cannot reach it at all. A spindle sander presents a cylinder of the right diameter, square to the table, and follows the curve exactly.

Anyone who cuts shapes on a band saw discovers this within a week: the sawn edge needs cleaning up, and hand-sanding a concave curve fairly is slow and rarely fair.

The grit progression, and why skipping costs more than it saves

Each grit removes the scratches of the one before it. Skip a step — 80 straight to 180 — and the 180 paper polishes the 80-grit scratches instead of removing them. They are invisible on bare timber and obvious the moment a finish goes on, under a raking light, at which point the only fix is to start again at 80.

The progression costs one extra sheet. The mistake costs the panel.

The matching table inserts are not padding

Each drum diameter needs its own table opening, otherwise the workpiece overhangs the gap and dips at the start of the cut. Machines that ship one insert for all drums produce exactly that fault. Six drums and six inserts is the complete set.

Availability

Read on the day this page was built: $445 at the American Amazon shop.

Read from Keepa on the day this page was last revised; stock and price both move without notice.

Prices quoted in this text were read on 2026-08-12. The live price is at the top of the page.

The good side, and the catch

Strengths

  • Oscillating — the sleeve moves up and down as well as turning
  • Six sleeve sizes, drums and matching table inserts included

Compromises

  • Does one job — inside curves — and does not replace a belt sander
  • No price on the Italian or Spanish store when we checked
  • Sleeves are a recurring cost and clog on resinous timber

Specifications

Motor450 W
TypeOscillating spindle sander
Supplied with6 sanding sleeves, drums and table inserts
Part number4903401901
Amazon referenceB00GO0WWJ2 (identical on 6 markets)
EAN4014915082101

What comes up most often

What does oscillation actually change?

Everything about how long the sleeve lasts and how the surface looks. A sleeve that only spins wears in one narrow band and burnishes the timber there; one that also moves up and down spreads the wear across its whole length, runs cooler, clogs later and leaves no ring. The mechanism costs little and multiplies the life of the consumable.

Can a drum in a drill press do the same job?

It can sand an inside curve, and it cannot oscillate, so it burnishes and clogs in one band. It also puts side load on a quill designed for axial load. It works for occasional jobs; it is not the same machine.

Where this model is listed

A listing is not an offer: the reference exists on these stores, availability changes daily.

  • France
  • Germany
  • Italy
  • Spain
  • United Kingdom
  • United States

Our score

7.5/ 10

The specialist that earns its bench space the first time you sand an inside curve properly.

Who buys this one, among woodworking machines

Cleaning up the inside of every curve a band saw or jigsaw has cut

Blades and parts stated to fit

Listed because the blade or part names this saw.

Cited in our woodworking machines guides

Sources

Specifications: the manufacturer sheet for woodworking machines and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.

How we assess these woodworking machines