Bosch DIY

PEX 400 AE

Name: PEX 400 AE
Brand: Bosch DIY

A 5 mm orbit gives this corded DIY model credible removal without sacrificing an even finish. Independent testing recorded vibration below 3.0 m/s²; the filter bag also accepts vacuum assistance.

$97 typical

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EDITION 01RESEARCHED 2026-08-224 SOURCESREFRESH DUE 2027-02

SUBSTANCE SCORES

substance8.3/ 10

design7.5/ 10

value8.1/ 10

WHY THE PRICE IS JUSTIFIED

The value is real: 370 W, 5 mm orbit, variable-speed control, multiple grips and both a dust filter and vacuum option. It is not built as a daily trade tool, but its design features materially improve results over cheaper fixed-speed units.

MATERIALS

HandleSoft-grip rubber

Improves hold and reduces perceived hand fatigue.

Pad125 mm hook-and-loop pad

Uses easy-to-find standard discs.

Dust systemMicrofilter bag and vacuum adapter

Offers both self-contained and extractor use.

CRITERIA

9/10

Finish Control

5 mm orbit and variable speed were independently praised for homogeneous surfaces and regular movement.

9/10

Material Removal

370 W and 5 mm orbit give a meaningful productivity advantage over entry-level 2.5 mm tools.

8/10

Dust Capture

Large filter and vacuum option were independently noted; adapter may be needed.

9/10

Vibration Ergonomics

German comparison reports under 3.0 m/s²; soft grip and multiple holds improve control.

8/10

Durability Service

Replaceable pad and conventional corded architecture are positives, but it is a DIY line.

9/10

Usability Compatibility

125 mm hook-and-loop discs, dust bag and vacuum adapter provide broad compatibility.

IDEAL FOR

·Regular DIY and furniture restoration
·Paint and varnish prep
·Buyers wanting variable speed on a budget

NOT FOR

·All-day trade use
·Overhead sanding

DESIGN & ERGONOMICS

A friendly, well-finished DIY form with a soft grip and several holding positions. It is heavier than small palm models and may need a hose adapter.

LONGEVITY

Treat it as a well-made DIY tool rather than a production sander. Standard discs, a replaceable pad and external extraction option reduce consumable and dust burden; inspect the pad as it ages.