In many DIY jobs, especially paint and joinery jobs, sanding is one of the heaviest steps and an electric sander can help. So we give it to you the best tips to know how to choose sander.

Shaped furniture or large surfaces are much more appreciated if they are worked with a suitable power tool. In addition, electric sanders have much more use than sanding: polish, smooth or polish different materials. Depending on the specific use you want to give the material, you can choose from several sanders.

Parts of an electric sander

  1. Trigger off. Starts the machine. There are also models that allow speed regulation.
  2. Coated handle. It is used to drive the machine and is at the top. The rubber absorbs vibrations for greater user comfort.
  3. Locking system. When working on large surfaces, there is no need to pull the trigger constantly. It is very useful for professionals or for intensive work.
  4. Skateboard or base. Where the sandpaper is fixed. It is the part of the machine that makes the rotation or alternative movement of the sandpaper.
  5. Hold the sandpaper. The sanding attachment system will be different depending on the tool model.
  6. Suction outlet. Where the powder produced during sanding leaves. There are models that can be put in a bag and in others, a vacuum cleaner.
  7. Dust bag. Disposable dust bags. Some models carry it as standard.

How to choose the Sander and its types

There are different types of sanders. Here we will basically talk about 4 types, the most common among amateurs and small workshops.

types of sanders

Orbital sanders

They are the most common in carpentry workshops or where wood is worked. They are very practical for sanding smooth wooden surfaces from small to medium size.

Your characteristics
  • The skate or base is rectangular and made of rubber.
  • The movement is elliptical or alternative.
  • Average powers between 150 and 250W.
Sanding work
  • Boards and slats.
  • Fences and baseboards.
  • Furniture with straight edges.
  • Wall repair paste: to cover cracks, cover gotelĂ©, …
  • Remove the old paint from the wood.
Your advantages
  • Price-performance ratio.
  • Tough and easy to use.


  • They are not suitable for large jobs where power and speed are required.

Rotorbital or eccentric sanders

Among the portable electric sanders, the orbitals or eccentrics are the most professional. Consequently, they tend to be heavier and more expensive. The shape of the machine is ideal for sand curved surfaces and edges.

Your characteristics

  • The skate or base is circular. It describes an elliptical movement (like orbitals) and simultaneously rotates in circles at high revolutions.
  • Power between 250 and 300W.
  • High quality finishes.
  • Great grinding capacity.
  • It is operated with two hands.

Sanding, grinding or polishing work

  • Furniture renovation.
  • Remove several layers of paint.
  • Apply wax to paintings, coatings, furniture or car body maintenance (with the correct accessory).


  • Great power for sanding, sanding and polishing.
  • Very resistant machines.
  • Ability to sand medium and large surfaces.
  • Great versatility.
  • Perfect sanding of curved surfaces.
  • Much firmer finishes.

Types of grip on sandpaper

  • Velcro. Through a system of ‘velcro’ the sandpaper is glued to the skateboard. It is the most used method in eccentrics.
  • Claw. The sanding tips are inserted into the grooves and tightened. The most used method in orbitals.

Belt Sander

This type of sander is suitable for medium or large jobs where the surfaces are flat. They allow for significant material wear.

They consist of two rollers that rotate the sandpaper. The sandpaper is used in a specific shape, also known as belt sandpaper.

Caution: Hold the sander securely when turning it on or will run away.


  • It is mainly used in the early stages of a job, when wear is necessary and is not a particularly good result.
  • Boards, slats, beams, platforms …


  • High sanding capacity and speed.


  • They are not suitable for beginners, as they can easily produce a non-uniform result.

Delta Sander

This tool is designed to sand complicated surfaces, such as frames, profiles or edges, and not large smooth surfaces.

They have a triangular base to which a sandpaper of specific shape is attached, usually with Velcro.


  • It allows sanding areas or surfaces that are impossible or very difficult to access with other types of sanders and that would normally be done by hand.
  • Some models have all kinds of accessories to perform other tasks. Therefore, they can be very versatile tools for any workshop.


  • Limited power and working speed. Although well regarded, it is due to the nature of the work for which this type of sander was designed.

Top Sanders Brands

Today, thousands of power tool manufacturers and, unfortunately, many of them offer products of dubious quality. For this reason, many of us look for companies, brands or manufacturers that are characterized by offering quality products, in our case good hand sanders.

Some of these brands are:

  • DeWalt. It is a brand that is synonymous with quality. Its tools are acquired mainly by professionals, as they usually have a medium / high price. But on the other hand we are talking about tools that normally have excellent durability, which in cases of intense use comes out very well.
  • Makita. It is another brand of recognized prestige, with products of excellence.
  • Bosh. In a classification like this, Bosh can not be absent, although we always like to comment is that we refer to his professional range (blue). Its range for amateurs (green) offers much more limited resources. In our opinion, their prices are high.
  • Black and decker. It is a well-known manufacturer with a large presence in the sector. It offers a good tool at competitive prices. It is a good option to buy a sander for sporadic uses, not so much for professionals who will make heavy use.

There are many other brands or manufacturers of sanders that may be on this list.

Tips for a good sanding

Select the right sandpaper and grit. For difficult jobs, use coarse grit sandpaper. Finally, go to medium grain and use fine sandpaper. In addition, there are sandpaper of different grains for different finishing qualities.

During sanding do not press the part. The machine’s own weight is sufficient.

You should always advance the sander over the surface for smooth sanding. Therefore, do not leave it standing in an area, because it will be more sanded and not be uniform.

Always wear glasses and a mask. You can also connect a vacuum cleaner for faster and more complete cleaning of sawdust.

When you are finished working, do not remove your hands from the machine until the skid stops completely.

The right tool is very important for the type of surface you need to polish. Choosing the best sander it is essential for some perfect finishes In less time.