The Bosch PEX 400 AE (Expert) random orbit sander is the ideal helper for anyone looking for an efficient, versatile and user-friendly tool for sanding or polishing various surfaces. With 350 W of power and easy operation, it is a real ally for DIYers who want smooth results without annoying marks or irregularities.

This sander is designed for consumers who are renovating furniture at home, preparing surfaces for painting, or looking for a reliable tool for polishing wood, metal, or even plastic. Its thoughtful design makes work easier for both beginners and more advanced users, saving a lot of time on everyday tasks where a fine finish without scratches or ripples is desired.

Evaluation of key product features

The sander works on the basis of an eccentric movement - a combination of circular and rotational movement, which ensures smooth sanding without annoying circular marks. With a powerful 350 W motor, you can easily process both large flat surfaces and more complex shapes or edges, as the device adapts precisely to every grip and material.

The biggest advantage is the extremely easy change of sanding discs with Velcro, and the adjustable rotation speed means complete control over the result - whether for rough removal or final polishing. The plastic housing in the recognizable green and black color combination offers good grip and low weight, which makes hands fatigue less during prolonged work.

It also stands out for its low vibrations and efficient dust extraction system, which means a cleaner and healthier working environment. It is this combination of performance, ease of use and precise results that allows users to carry out any project in the workshop, on the patio or at home without stress.

If you want a tool that is flexible, pleasant to use and can do more than just basic sanding, this sander will convince you with an excellent balance of power, speed and versatility for a wide range of tasks.

Specifications

User view

The Bosch PEX 400 AE (Expert) random orbit sander is a top choice for anyone who loves precision DIY projects at home or in the workshop. It is ideal for hobbyists, furniture restorers and anyone who wants smooth, professional results when sanding wood, paint or varnish. The Bosch team is known for its high-quality and reliable tools, so it is no wonder that it is trusted by beginners and experienced users alike.

It is most commonly used by those who like to renovate, repair or create new projects - from sanding doors and furniture to preparing wooden surfaces before painting. Its ergonomic design and low weight make it comfortable to use even during prolonged use, while the plastic housing and thoughtful design make it easy for anyone to operate.

Why buy at Enaa

When you buy the Bosch PEX 400 AE random orbital sander at Enaa, you can expect extremely professional support, as our team consists of tool specialists who are always on hand to help with useful advice on product selection or use. In our offer, you will find only proven, original Bosch products that guarantee the quality and reliability you expect from renowned brands.

Answers to frequently asked questions

Which materials are suitable for sanding with the Bosch PEX 400 AE?

A sander is an excellent choice for sanding wood, painted surfaces, metal and even polishing certain materials. We recommend using the appropriate sandpaper depending on the type of surface.

How difficult is it to change the sandpaper on this model?

Changing the sandpaper is completely easy, as the model has a quick-change system with a Velcro surface for quick attachment and removal.

Is it suitable for working overhead or at height?

The sander is lightweight and ergonomically designed, so it also allows sanding overhead or on vertical surfaces without major problems or fatigue.

What grinding wheel diameter do I need for the Bosch PEX 400 AE?

This model is equipped to use 125 mm diameter grinding discs, which is a standard size and allows for quick changes between different grits.

How is dust effectively removed during sanding?

The grinder contains a built-in microfilter that effectively captures dust while you work, thus contributing to a cleaner environment in the workshop or at home.

Description updated: December 2025