If your diamond blade is not cutting properly, it’s usually down to one of a few common issues.
You might notice:
The good news — most of these problems are easy to fix once you know what’s causing them.
A glazed blade means the diamonds have become covered or worn smooth, so they stop cutting effectively.
Instead of cutting, the blade:
Straight Talking:
If your blade feels blunt, it probably is — and this is usually the reason.
Different materials need different blades.
If your diamond blade is not cutting, it’s often because it’s not designed for the material you’re using.
Match the blade to the material:
If you’re unsure, read how to cut concrete properly or learn how to cut porcelain tiles without chipping
Most diamond blades are designed to rotate in a specific direction, which is shown by arrows on the blade.
If your diamond blade is not cutting properly, it could be because it’s installed the wrong way round.
When fitted incorrectly:
Look for the directional arrow on the blade.
This arrow must match the direction your machine spins when switched on
Straight Talking:
If the blade is on backwards, it might look fine — but it won’t cut properly.
Pushing too hard doesn’t make the blade cut faster — it actually makes it worse.
It causes:
Straight Talking:
Forcing it doesn’t speed things up — it slows everything down.
At this point, the blade needs replacing.
View our full range of diamond blades to find a replacement suited to your job
Using the wrong type can cause cutting issues even if the material is correct.
Learn more about diamond blade types to understand the differences
For more help please browse the following:
If your diamond blade is not cutting, the issue is almost always the blade itself.
Switching to the right blade can make the job quicker, easier and more efficient
