Start with the surface problem
A bush hammer and a PCD tool can both look aggressive from a distance. On the floor, they do different work.
If the problem is epoxy, glue, paint, or coating sitting on top of the slab, start the conversation with PCD coating removal tools. The cutting edge is there to attack the layer and break it loose before the crew moves into grinding.
If the problem is a closed, smooth, or weak concrete surface that needs texture, the better conversation is bush hammer tools. A bush hammer changes the surface profile. It is not a clean coating slicer.
PCD is a removal tool
PCD earns its place when the floor has a layer that needs to come off before real grinding starts.
The buyer question is not “Which tool is more aggressive?” The better question is “What layer is stopping the diamonds from reaching concrete?”
Old epoxy, glue, paint, and heavy coating call for cutting action. After that stage, the floor still needs a planned metal bond step to control the scratch pattern.
Bush hammer is a profiling tool
A bush hammer creates texture by impact. That texture helps when the next process needs a more open surface, such as overlay preparation or heavy surface profiling.
It is the wrong tool when the buyer wants a flatter, cleaner floor with minimal follow-up correction. The texture it creates is the point of the tool, not a side effect.
The costly mistake
Many buyers lose time by treating both tools as “aggressive surface prep.”
That wording hides the real decision. PCD removes a layer. Bush hammer changes the concrete face. If the crew chooses the wrong one, the next step becomes heavier, slower, and harder to price.
How I would explain it to a distributor
Use PCD when the surface problem is above the slab.
Use bush hammer when the surface problem is the slab face itself.
After either one, plan the next diamond step. The floor does not care how aggressive the first tool looked. It only shows the scratch and profile left behind.