April 6, 2021

Bosch PSM Primo VS 100 | Which Of These Multi Sanders To Buy [REVISITED]

If you are trying to decide between the Bosch PSM Primo vs 100, there are a few features you should compare so you can choose the ideal one. The Bosch PSM Primo and the Bosch PSM 100 are sanders for do-it-yourselfers. Knowing why you need a sander and what each offers will help you make a wise choice. The dust extraction system is worth a look. It will make or break your work area’s cleanliness and health. Below is a detailed comparison of the two devices in terms of power, weight, noise level, speed differences and design.

Overview of the Bosch PSM Primo 

The Bosch PSM Primo is a palm sander that is fast and easy to use in tricky areas. The sanding plate has a slim design that makes it easy to maneuver. It is easy to reach the corners and edges. That makes it ideal for smaller tasks or materials. There is less vibration from the machine. That reduces the chances of having fatigue or straining your arms.

It is versatile as it works with ease on hardwood and softwood. It also works on painted surfaces, metal surfaces, and stones. The compact-sized sander does not ask for more effort when in operation. It is easy to handle and manage. The hook and loop system makes sanding paper easy to change. It has a micro-filter dust box that traps dust. 

It ensures that the environment is lean during and after work. It works on furniture. These include kitchen cupboards, doors, and shelves. That is why it is a DIY tool. The rubberized, soft grip makes the experience bearable and comfortable. The package includes a PSP Primo, sanding sheet, and a manual booklet. The orbital stroke rate of the Bosch PSM primo is 24,000. 

Pros

  • Ergonomically shaped
  • Effective Microfilter system
  • Sanding sheets are quick and easy to change
  • Ideal for tricky areas
  • No vibration
  • Compact sized

Cons

  • The Velcro system could have durable
  • Not compatible with some sanding discs

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Key Features of the Bosch PSM primo 

Sanding paper

The hook and loop system makes sanding paper easy and quick to remove or replace. You have to pull off the old sanding paper and press the new sanding paper onto the sanding plate. The sanding sheet has five pieces that make it perfect for corners and edges. Depending on the surface you are working on, you can also use a 6-piece sanding sheet. It works hand in glove with a slim sanding plate. 

Handle

The palm grip handle allows you to have a comfortable experience as you operate with one hand. That tells you there is less effort needed from the user. The other hand remains free, and you use it to hold the material in place. You are not required to use the other hand on the material. You use it when necessary.

Dust collection system 

You do not perform the cleaning job since that is the function of the Microfilter dust box. There is automatic removal of dust from the workspace by the Microfilter box. You are allowed to connect the filter box to a vacuum cleaner. That improves the dust collection system. The volume of dust remains low.

Switch

The switch is highly defined, and that makes it accessible. Its position makes it convenient to use the switch button. Like standard switches, it comes in red, and you will barely miss it. 

Sanding pad

The sanding pad comes in a slim design that is easy to reach edges and corners. It has a tip at the front that fits easily in tricky areas. The tip goes far inside the material because it is long.  

Overview of the Bosch PSM 100

The Bosch PSM 100 is a multi-sander that is ideal for DIY tasks. It is ideal for chairs, chests of drawers, and cupboards. It comes in a compact and lightweight size. That allows it to fit trick spaces such as corners and edges. It is versatile and easy to use. The Bosch Microfilter system that comes with the machine is built-in. 

It traps dust particles in the microfilter box. It comes as a built-in tool. It ensures that your working area is clean during and after the task. It has a Velcro-type fastening system that allows you to make quick changes to the sanding paper. That is convenient to the user as it does not consume more of your time. 

The multi sander produces 26,000orbits per minute. That is fast and impressive. It is smooth on different surfaces. The package includes a multi-sander, three sanding sheets, a user manual, and a carry case. The carry case secures the sander as you carry it around. A slight fall to the ground does not damage the machine. It is protected.

Pros

  • Compact-sized
  • Versatile
  • It comes with an extraction box
  • No vibration
  • Fast
  • Velcro-type fastening system

Cons

  • No speed variance
  • The foam pad does not last   

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Key features of the Bosch PSM 100

Sanding plate

The Bosch PSM 100 has a sanding plate that is easy and quick to change. It has Velcro-type fastenings that are strong and easy to maintain. It has the hook and loop that you lock together. What matters is ensuring the hook and loop match and click in place before use. They are easy to operate.

Dust collection system

The machine has a low dust output since the microfilter box extracts most of the dust. The microfilter system box is a built-in system that tarps all the produced dust into the box. It comes in the same package that comes with the multi-sander. It is also compatible with all-purpose vacuum cleaners. That makes it a flexible machine that is less selective. 

Power

It is a 100Watt machine that is fast in material removal. That attracts high performance regardless of the type of surface or material. The orbital rate is 1.4mm on a sanding surface of 104 square meters.  

Safety features

You are allowed to lock the switch to avoid pressing it multiple times. Pressing the machine switch several times is dangerous to the user. You might assume that you switched it off when it is on. That may result in placing your fingers in the wrong place. The switch is highly defined in red, and the chances are low that you will miss it or press it by mistake.

Front tip

The sander comes in a slim design that makes it fit tricky places. The tip can fit door frames, cupboards, and doors working on the edges and corners without a hassle. The shape makes it easy to use. 

Similarities

  • They are both noise-free.
  • They both come with a Microfilter system box.
  • They are booth compact-sized.
  • They are ideal for tricky places such as corners and edges.
  • They both use sanding discs that are easy to remove and replace.
  • They have a sanding plate with a front tip.
  • They both have an ergonomic design.
  • Both sanders have a soft rubberized grip.
  • Their sanding plates are 93 square centimeters.

Differences

  • The Bosch PSM primo is a 50 Watt sander, whereas the 100 is a 100 Watt sander.
  • The Bosch PSM primo weighs 1.13gs which is heavier than the 100 that weighs 0.9kgs.
  • The orbital stroke rate of the Bosch PSM primo is 24,000, whereas the 100 model has 26,000.

Cost 

Both products are affordable as they range below 100. However, there is a difference in the price range. The Bosch PSM primo ranges from 30 to 60, whereas the PSM 100 model ranges from 30 to 70. That leaves the PSM primo model more affordable.

Verdict

There are more similarities between the two products. They are from the same manufacturer, which inevitably leads to similarities. The introduction of the newer version shows that changes have been made. If you value power, you can choose the Bosch PSM 100 multi-sander, which consumes 100 watts.

Higher wattage means more power. However, the Primo model is a bit heavier than the PSM 100, with the Bosch PSM Primo capable of 24,000 orbital strokes and the Bosch 100 capable of 26,000 orbital strokes per minute. I am sure you have already made your first choice from the above reviews.

David D. Hughes

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