The correct WerkMaster tooling depends on four things:
- the exact WerkMaster grinder model;
- whether the job involves coating removal or exposed concrete;
- the hardness and condition of the concrete;
- the grinding stage that must be completed next.
Use PCD tools when the first task is removing epoxy, glue, paint, mastic, or another coating. Use metal bond diamond tools after the coating is removed, or when the job begins with exposed concrete that needs opening, leveling, or scratch control.
WerkMaster Raider XL5 and WerkMaster Raptor XTi are grinder models. The machine model, tool holder, rotation direction, working condition, and required workflow stage should all be confirmed before ordering tooling.
Confirm the WerkMaster machine model first
“WerkMaster tooling” is a broad term. It does not automatically confirm that one tool will fit every WerkMaster grinder.
Before ordering tools for a Raider XL5, Raptor XTi, or another WerkMaster grinder, confirm:
- The complete machine model
- The tool holder or plug style
- The required number of tools
- Rotation direction, when applicable
- Whether the floor has a coating
- Concrete hardness or previous tool performance
- The required starting grit and bond
A clear photograph of the machine’s current tool holder and the back of the existing tool is often the fastest way to confirm fitment.
Start with WerkMaster PCD tools for coating removal
Use WerkMaster PCD tools when the job begins with a coating that must be removed before normal concrete grinding.
Typical applications include:
- epoxy coatings;
- carpet glue;
- adhesive residue;
- paint;
- mastic;
- waterproof or elastic coatings.
PCD tools cut and break coatings differently from conventional metal bond diamond segments. They are intended for the coating-removal stage and should not be treated as a replacement for normal concrete grinding tools.
The correct PCD configuration depends on:
- coating thickness;
- whether the coating is hard or elastic;
- the condition of the concrete underneath;
- required removal speed;
- acceptable risk of floor damage;
- machine weight;
- direction of rotation.
The most aggressive PCD tool is not automatically the best choice for every floor. A very aggressive setup may remove coatings quickly but can also leave deeper marks in exposed concrete.
Move to WerkMaster metal bond tools after coating removal
After the coating has been removed, switch to WerkMaster metal bond diamond tools for grinding the exposed concrete.
Metal bond tools are used for:
- removing marks left by the coating-removal stage;
- opening the concrete surface;
- grinding high areas;
- leveling minor irregularities;
- controlling the scratch pattern;
- preparing the slab for transition or polishing stages.
The basic distinction is:
PCD tools remove coatings. Metal bond diamonds grind concrete.
Using the wrong tooling family can reduce working speed, damage the substrate, or leave scratches that require additional grinding steps.
How to choose the correct bond for WerkMaster tooling
The bond should be selected according to the hardness and abrasiveness of the concrete.
A practical general rule is:
- Hard concrete: softer bond
- Medium concrete: medium bond
- Soft or abrasive concrete: harder bond
On hard concrete, an excessively hard bond may retain worn diamond and stop cutting effectively.
On soft or abrasive concrete, an excessively soft bond may wear too quickly and shorten tool life.
Concrete hardness should not be determined from appearance alone. Previous tool performance, a concrete hardness test, or a controlled test area provides better evidence.
How to choose the correct starting grit
The correct starting grit depends on the work left by the previous stage.
Coarse metal bond grits
Use coarse grits when the floor needs:
- aggressive cutting;
- removal of deeper PCD marks;
- slab opening;
- high-spot removal;
- initial grinding on rough concrete.
Medium metal bond grits
Use medium grits when:
- the first aggressive cut is complete;
- the floor needs scratch refinement;
- the next step will be a finer metal or transition stage.
Finer metal bond grits
Use finer metal grits when:
- the floor still requires metal-bond cutting;
- deeper scratches have already been controlled;
- the next step will be hybrid or resin polishing.
Do not select a grit only because another contractor used the same grit number. The previous tool, concrete hardness, machine pressure, working speed, and target finish may be different.
A practical WerkMaster grinding workflow
A typical WerkMaster workflow may follow these stages.
Step 1: Remove the coating
Use a suitable PCD tool when epoxy, glue, paint, mastic, or another removable coating is present.
Step 2: Grind the exposed concrete
Switch to WerkMaster-style metal bond diamonds selected according to concrete hardness and the depth of the remaining marks.
Step 3: Refine the scratch pattern
Continue through the required metal grits until the floor is even and the aggressive scratches have been removed.
Step 4: Begin the transition stage
Use hybrid transition pads when the metal scratch is controlled but the surface is not yet ready for resin polishing.
Step 5: Polish the prepared floor
Use resin polishing pads only after the previous scratch pattern has been removed evenly.
Not every project requires the same number of stages. The sequence should be based on the actual floor condition rather than copied from a fixed list.
Common WerkMaster tooling mistakes
Selecting by machine brand only
“WerkMaster” is not a complete fitment specification. The exact grinder model and holder system still need to be confirmed.
Treating Raider or Raptor as tool names
WerkMaster Raider XL5 and WerkMaster Raptor XTi are machine models. The diamond tool still needs the correct connection, direction, grit, bond, and application.
Using metal bond tools directly on a thick coating
Metal segments may load up or work inefficiently when the floor should first be treated with PCD coating-removal tools.
Continuing with PCD after the coating is removed
Once exposed concrete appears, an aggressive PCD tool can leave deep marks. Move to an appropriate metal bond grinding tool when the removal stage is complete.
Choosing the bond from the grit number
Grit and bond are separate specifications.
A 30-grit metal tool may be produced in soft, medium, or hard bond. These versions do not perform identically on the same concrete.
Ordering before confirming rotation direction
Some PCD tools require the correct clockwise or counterclockwise arrangement. Direction should be confirmed before production or shipment.
WerkMaster tooling order checklist
Before ordering diamond tools for a WerkMaster grinder, provide:
- full WerkMaster machine model;
- clear photo of the tool holder;
- photo of the back of the current tool;
- coating type, if present;
- concrete hardness or previous tool performance;
- required grit;
- required bond;
- wet or dry process;
- required quantity;
- clockwise or counterclockwise direction, when relevant;
- the next planned workflow stage.
This information is more useful than simply requesting “WerkMaster diamonds.”
Are WerkMaster Raider and Raptor the same machine?
No. Raider XL5 and Raptor XTi are different WerkMaster grinder models. Fitment should be confirmed for the exact machine and holder.
Can the same diamond tool be used on every WerkMaster grinder?
Do not assume that it can. Confirm the machine model, holder shape, dimensions, installation method, and rotation requirements before ordering.
Should I start with PCD or metal bond diamonds?
Start with PCD when a removable coating is present.
Start with metal bond diamonds when the floor is exposed concrete and needs grinding, leveling, opening, or scratch control.
Which bond should I use for hard concrete?
A softer bond is generally selected for harder concrete so that fresh diamond remains exposed during grinding. Final selection should be based on a controlled test or previous tool performance.
What information is needed to confirm fitment?
Provide the complete machine model and clear photographs of:
- the tool holder;
- the back of the existing tool;
- the working face;
- any rotation or installation markings.
Final recommendation
A useful WerkMaster tooling selection should begin with three questions:
- Which WerkMaster machine model are you using?
- Are you removing a coating or grinding exposed concrete?
- What condition must the next tool correct?
For Raider XL5, Raptor XTi, or another WerkMaster grinder, confirm the holder before selecting PCD or metal bond tooling.
When the model, connection, rotation, grit, or bond is unclear, send the machine details and tool photographs through Contact Us before ordering.