The professional diamond cup wheel from rendech® presents itself as a simple cup wheel in elegant mattblack.
The 125 mm diamond cup wheel is perfect for grinding concrete, screed, tile adhesive, masonry, plaster and other concrete products. The diamond wheel is manufactured in accordance with EN13236.
A clean grinding pattern is achieved thanks to the 2-row segments, which ensure a high surface performance.
The robust design has an overall height of 21 mm. Overall, the professional diamond cup wheel from rendech® offers professional quality for professional use. Effective grinding and milling is possible with the cup wheel.
Advantages
✅ Effective grinding
✅ High stock removal rate
✅ Fits all standard angle grinders, including
✅ 2-row segments
Disadvantages
❌ None
The test
General information
We took a close look at and tested the product in a practical test. In the following, we take a closer look at the features and impressions. From the packaging, materials and quality to the range of functions and handling, the product is subjected to our test procedure.
To give you a quick overview, we work with a points system. The maximum achievable score per area is 100 points. The final overall score is calculated from the average of all tested features, taking into account the respective weighting. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product ratings, please click here.
The first impression
Packaging and contents
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 guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?
| Criterion | Remark | Score achieved* |
|---|---|---|
| Product protection | Carton is sturdy, product sufficiently protected | 100 points |
| Sustainability Packaging | No unnecessary packaging waste was produced | 100 points |
| Package contents & scope | Cup wheel | 100 points |
| Instructions for use | Product is largely self-explanatory, brief instructions would be desirable | 90 points |
| Total | 98 points |
*The maximum score is 100 points
The cup grinding wheel was delivered in a sturdy cardboard box, which was undamaged and easy to open. The cup wheel was packed in product packaging, which protects the product from damage and thus ensures comprehensive product protection. Brief instructions for use would be desirable, although the use is self-explanatory for professionals. The product packaging is fully recyclable. The cup wheel makes a very good impression at first glance.
The first time in your hand
Product processing and appearance
ℹ️ Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?
| Criterion | Remark | Score achieved* |
|---|---|---|
| Visual appearance | Very good visual appearance | 100 points |
| Processing | Very good workmanship | 100 points |
| Stability | Sufficient stability | 100 points |
| Sustainability of the product | No information on sustainability, but high-quality and durable materials | 70 points |
| Total | 93 points |
*The maximum score is 100 points
The cup wheel has a pleasant appearance and is easy to handle. The workmanship is very good and the grit material is diamond. The cup wheel is stable and dimensionally stable, which indicates a long service life. The manufacturer has not provided any further information regarding sustainability .
This is what our practical test showed
Does the manufacturer keep its advertising promises?
ℹ️ Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.
| Criterion | Remark | Score achieved* |
|---|---|---|
| Heat development | You should keep an eye on the temperature of the cup grinding wheel. | 90 points |
| Durability | Sufficient durability | 90 points |
| Possible applications | Versatile application | 100 points |
| Effective | Very effective | 100 points |
| Performance | High removal rate | 100 points |
| Total | 96 points |
*The maximum score is 100 points
The cup wheel is very easy to use. It was used with a Rockwell sanding machine. The sanding itself was quick and easy, with impressive results.
The stable material not only ensures a high load-bearing capacity, but also gives the cup wheel a high level of robustness. This is particularly evident in precision grinding and milling .
The versatility of the diamond cup wheel is demonstrated by its numerous application options. With smooth running, the cup wheel is perfect for grinding concrete, screed, tile adhesive, masonry, plaster and other concrete products. However, it is important to ensure that the cup wheel size is adapted to individual requirements . This is the only way to achieve optimum utilization of the cup wheels .
Another outstanding aspect is the long service life of the cup grinding wheel due to the high-quality materials used. The use of robust diamond as the grit material promises long-term use without significant wear.
In summary, it can be said that the cup grinding wheel from rendech® is a well thought-out, stable and aesthetic solution for a wide range of applications that meets expectations in terms of quality and functionality .
Price/performance ratio
and ratings from consumers
ℹ️ Finally, we examine 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 look at the consumer reviews and check whether the critical and positive reviews are actually justified.
| Criterion | Remark | Score achieved* |
|---|---|---|
| Price / performance ratio | Very good performance in the mid-price segment | 80 points |
| Rating cut | 4.5 out of 5.0 on Amazon | 75 points |
| Total | 78 points |
*The maximum score is 100 points
On the Amazon platform, consumers rate the product with an average of 4.5 stars. One common complaint is that the cup wheel wears out relatively quickly. Many customers like the fact that the cup wheels are very effective. In our practical test, we were able to confirm that the sanding results were very good.
Prices of up to €48 are charged on the Internet for equivalent products. Very inexpensive products are available from as little as €14 . The professional diamond cup wheel from rendech® is therefore currently in the middle price segment with a price of € 21.99 (for 125 mm). For the quality and performance received, the price-performance ratio is very good.
Overall result
| Weighting | Score achieved* | |
|---|---|---|
| 1. packaging & contents | 20% | 98 points |
| 2. product processing & appearance | 20% | 93 points |
| 3. in the practical test | 45% | 96 points |
| 4. price/performance & consumer ratings | 15% | 78 points |
| Total | 93 points |
The professional diamond cup wheel from the rendech® brand was awarded an overall score of 1.4 and thus successfully qualified for our test seal. The test was carried out in the test period 01/24 and is stored in our database under the license number 240102004. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.
Test result:
1,4
