Cut, deburr and brush metal and stone with discs and rotary accessories.

Diamond disc 125mm,, Comet Rapide, wet and dry, Makita B-12778
Also known as: diamond blade, diamond cutting disc
Key features
- Diameter (mm)125
- Hole diameter/shaft diameter (mm)22,23 / 20
- Thickness (mm)2,2
- Segment height (mm)10
What it is
Diamond disc 125mm,, Comet Rapide, wet and dry, Makita B-12778. Key specifications: diameter (mm) 125, hole diameter/shaft diameter (mm) 22,23 / 20, thickness (mm) 2,2.
A diamond blade is a circular blade with a sintered diamond rim that cuts stone, concrete, brick, tiles or asphalt, dry or wet.
What it is for
Used for cutting concrete and reinforced concrete, for cutting building materials, from clay brick to concrete and for cutting natural and engineered stone.
How to use it
Choose the blade according to the material and the machine, whether angle grinder, tile saw, cut-off saw or wall chaser, and fit it following the direction-of-rotation arrow and the maximum speed. Cut without forcing, letting the blade do the work, and on long dry cuts run it free from time to time to cool it. Suppress dust with water or extraction and protect your eyes, hearing and airways.
Where it is used
- Road and motorway construction
- Demolition
- Residential construction
Technical data
- Diameter (mm): 125
- Hole diameter/shaft diameter (mm): 22,23 / 20
- Thickness (mm): 2,2
- Segment height (mm): 10
Who it is for
Designed for demolition operatives, marble and stone masons, bricklayers and tilers.
Related products
- Diamond disc 125mm,, Nebula, wet and dry, Makita B-53992
- Diamond disc 125mm,, wet, continuous rim, Makita B-21951
- Angle grinder 150 mm Makita GA6021C — from the category Angle Grinders
- Petrol floor saw Kohler 600 mm blade SEAFLOOR 600 Sea Technology — from the category Power Cutters and Floor Saws
- FFP3 mask Dolomia with valve – pack of 10 Portwest P361 — from the category Dust and Gas Respirators
- Browse the whole category: Diamond Cutting Discs
Before you order
In your request, please state the diameter and the quantities required, so we can give you the right quotation first time.
For prices and availability, request a quote from AMES Srl: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative.
Specifications 4
| Diameter (mm) | 125 |
|---|---|
| Hole diameter/shaft diameter (mm) | 22,23 / 20 |
| Thickness (mm) | 2,2 |
| Segment height (mm) | 10 |
Compare with similar models
Technical data declared by the manufacturers. An empty cell means the figure is not declared.
| Feature |
This model
Diamond disc 125mm,, Comet Rapide, wet and dry, Makita B-12778
|
Diamond disc 125mm,, Nebula, wet and dry, Makita B-53992
|
Diamond disc 230mm,, Comet Rapide, 3DDG,, wet and dry, Makita B-12784
|
Diamond disc 180mm,, Nebula, wet and dry, Makita B-54019
|
|---|---|---|---|---|
| Brand | Makita | Makita | Makita | Makita |
| Diameter | 125 mm | 125 mm | 230 mm | 180 mm |
| Hole diameter/shaft diameter | 22,23 / 20 mm | 22,23 mm | 22,23 mm | 22,23 mm |
| Thickness | 2,2 mm | 2,0 mm | 2,6 mm | 2,0 mm |
| Segment height | 10 mm | 10 mm | 10 mm | 10 mm |
| View product → | View product → | View product → |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Cut and drill brick, slabs, stone and concrete with diamond blades and core bits.
For safety
Protect eyes and face from fragments, dust, splashes and impacts.
Protect breathing from dust, gases and vapours, including in oxygen-deficient atmospheres.
Protect hearing from the noise of machines and tools by reducing the sound reaching the ear.









