About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out material, long-term or laboratory tests. Our aim is to provide honest feedback to help you make a purchasing decision. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product reviews, please click here.

Werkstein
Diamond cutting disc

The diamond cutting disc from Werkstein made a good impression in our test.
The cutting disc can be used for a variety of applications. In addition to concrete, it can also be used to cut reinforced concrete, bricks, basalt, clinker and paving stones.
Durability and customer satisfaction are particularly important to the manufacturer. The manufacturer emphasises that only the best materials are used for production.
The manufacturer also emphasises that the company is a German family business based in Lower Franconia.
Customers can buy the diamond cutting disc in two versions (230 mm or 125 mm diameter), each as a single or double pack.

Advantages

✅Varied field of application
✅Excellent cutting pattern
✅Quality inspection by company including quality promise
✅German family business

Disadvantages

❌No customer hotline or support email address available

The first impression

The packaging and labelling

ℹ️ Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be ensured.

CriterionRemarkScore achieved*
Product protectionCarton is sturdy, product sufficiently protected100 points
Sustainability PackagingUnnecessary packaging waste was avoided, items were packed compactly97 points
Product labellingLabelling for occupational safety available100 points
Total99 points
Weighting: 15%
*The maximum score is 100 points

The diamond cutting disc from WERKSTEIN arrived in the typical Amazon box. The box was undamaged and could be easily opened without tools by removing the flap.
The box only contained another box containing the cutting disc. The cutting disc was also wrapped in a plastic film to protect it from dirt and damage.
During shipping, care was taken to ensure that product protection was the top priority.
The packaging method meant that the product could be delivered in perfect condition .

After unpacking

Package contents and instructions

ℹ️ Most people’s first impression after unpacking is immediately memorable. Are the contents of the pack complete and does the manufacturer make it as easy as possible for me to use the product straight away?

CriterionRemarkPoints achieved*
Package contents & scopeDiamond cutting disc and adapter ring included89 points
Instructions for useWritten in German, easy to understand93 points
Contact informationCan be found on a business card – Unfortunately no customer hotline available90 points
Total91 points
Weighting: 15%
*The maximum score is 100 points

After unpacking, you will find a diamond cutting disc and an adapter ring on the workbench. The cutting disc is also available in a single or two-piece set and in either 230 mm or 125 mm diameter.
In addition to the cutting disc, the package also contains instructions for use, which explain in more than 5 languages how to use the product and what specialities it offers.
The contact information can be found on the back of the packaging and there is also an e-mail address on a business card, but unfortunately the customer has no way of contacting customer service by telephone.
As the product was delivered undamaged and without unnecessary packaging waste, we are talking about a very customer-friendly way of sending a product.

The first time in your hand

Product processing and appearance

ℹ️ Before we start the practical test, we take a close look at the product processing. How high quality are the materials used? Is the look and feel satisfactory?

CriterionRemarkPoints achieved*
Visual appearanceGood optical appearance, no defects to be seen in the disc100 points
ProcessingAll prongs are well made and have a high-quality appearance94 points
StabilityProduct stable and weight evenly distributed100 points
Sustainability of the productNo labelling of sustainability65 points
Total90 points
Weighting: 20%
*The maximum score is 100 points

The diamond cutting disc from Werkstein is made of 65 Mn carbon steel, which is set with industrial diamonds on the saw teeth.
If you run your hand over the edge of the cutting disc, you can clearly see the industrial diamonds. Overall, the disc makes an extremely high-quality first impression and appears very stable and the weight is balanced.
Unfortunately, the product lacks a sustainability classification and it is not clear to the end user under which sustainability aspects the product was manufactured.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

ℹ️ Our practical test is the most relevant and therefore the most important. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

CriterionRemarkScore achieved*
UsabilityEasy to use, even for non-professionals100 points
Cutting pattern with light/thin materialGood cutting pattern, no jamming detectable98 points
Cutting pattern with thick materialGood cutting pattern, clean cutting edge98 points
Running behaviour of the cutting discVery smooth running behaviour of the cutting disc – no out-of-round running behaviour discernible100 points
Total99 points
Weighting: 30%
*The maximum score is 100 points

We really enjoyed working with the Werkstein cutting disc during the test.
Even non-professionals can easily use the cutting disc and achieve a clean cut with it.
In addition to easy-to-cut materials such as bricks, we also cut thicker materials such as concrete, natural stone and granite.
This is very easy with the help of the diamond cutting disc and the resulting cut is quite impressive.
All in all, a top product that enables the customer to cut concrete, stone and other materials with ease.
For this reason, the rating of 99 out of 100 points in the practical test is easy to explain.

Price/performance ratio

and ratings from consumers

ℹ️ Finally, we look at how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also analyse consumer reviews and check whether the critical and positive reviews are actually justified.

CriterionRemarkScore achieved*
Price / performance ratioReasonable price/performance – good for the medium price segment92 points
Rating cut4.6 (230 mm) or 4.5 (125 mm) from 5.0 to Amazon78 points
Total85 points
Weighting: 20%
*The maximum score is 100 points

On the Amazon platform, consumers have given the product an average rating of 4.6 stars. One customer complained that the disc started to flutter as soon as it was set in place and that the cutting disc is not suitable for particularly hard stones. Many customers like the Price/performance ratio. In our practical test, we were able to confirm that the price was very good for the given performance, but the disc did not fl utter and is also suitable for harder stones.

Prices of up to €135.99 are charged on the Internet for equivalent products. Very inexpensive products are available for as little as €2.99. The diamond cutting disc from Werkstein is currently priced at €9.97 (125 mm) and €17.97 (230 mm ), which puts it in the mid-price segment. The price ratio is reasonable for the quality and scope of services you get.

Overall result

WeightingPoints achieved*
1. packaging & labelling15%99 points
2. package contents & instructions15%91 points
3. product processing & appearance20%90 points
4. in the practical test30%99 points
5. price/performance & consumer reviews20%85 points
Total93 points
*The maximum score is 100 points
Diamond cutting disc
of the brand
Werkstein
achieved
93
Points in our test and therefore passed. The test was carried out in the test period
10/22
and is stored in our database under the licence number
220923002
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observation and do not include long-term or laboratory tests. The test ratings reflect the opinion of our experts and are based on careful analysis. We would like to emphasize that these evaluations do not claim to be exhaustive and reflect both subjective and objective impressions. The assessments are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a reputable and thorough testing process, which has been developed in a long and professional process in close cooperation with our experts.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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