Reviews (84)

Great for tough concrete surfaces. They stay sharp for longer than other discs we've used and reduce grinding time.

Very dependable discs for daily use. They maintain a consistent scratch pattern and don't show uneven wear after multiple jobs.

Very impressed with the durability of these discs. Even after several projects, the segments are still performing well and wearing evenly. They provide reliable grinding results every time.

Very stable during operation and easy to mount. Good quality discs.

Good quality discs for everyday jobs. They mount easily and don't wobble, even when running the grinder for long periods.

Great value. I used them on a worn terrazzo floor and was impressed by how long they lasted before needing replacement.

Very solid discs. Great balance and long life. I'll definitely reorder for my next project.

Good discs with smooth grinding results. Saved me a lot of time on my last project.

Used the metal bond discs on a polished concrete floor renovation. Perform well, a good product!

We used these tools on a terrazzo restoration project, and the results were very clean. The scratch pattern was predictable and easy to refine in later polishing stages.

Excellent tools. Minimal dust, smooth finish, and very little wear after several large jobs. Well worth the price.

These metal bond discs have seriously improved out grinding speed. We ran them on a 5000 sq ft project and they held up extremely well. The cut was clean and consistent across the entire floor, even on harder concrete sections. Definitely a professional-grade product that saves both time and effort.

Very pleased with these diamond grinding discs! They provide an aggressive grind while still allowing for precise control. They work well on both wet and dry grinding applications, making them versatile for different projects. Will be ordering more soon.

What I love most about these STI diamond grinding discs is how they maintain sharpness over extended use. I've worked with them on both old, uneven concrete and polished terrazzo restoration, and they grind consistently without excessive heat buildup. The bonds holds the diamond well, preventing premature loss, which means fewer replacements and lower costs in the long run. Good product!

These metal grinding discs provide excellent results on different types of concrete surfacees, even those that are heavily worn or uneven. I've found they require less frequent replacements, which saves me money in the long run.

These grinding discs are built to last. I've used them on several commercial projects, and they're still going strong. The durability is what impresses me most. Definitely worth the investment for anyone doing heavy grinding.

Durable, efficient, and easy to use. These STI metal grinding discs make concrete prep work so much faster. They hold up well under heavy use and don't wear out quickly. Highly recommend.

I've tried many different diamond tools, but these are by far the best for heavy-duty grinding jobs. They cut fast and last a long time.

I've used these tools on everything from concrete to terrazzo, and they have performed flawlessly every time. They're incredibly durable and easy to use.

Good quality diamond discs at very fair price. They fit perfectly STI machine, help me work better on my project.I am very happy with this purchase.