Cut concrete, brick, stone, porcelain stoneware and asphalt on grinders and floor saws.

Twin-disc wall chaser, Makita SG181
Also known as: wall chasing machine, wall groove cutter
Key features
- Absorbed power (W)2150
- No load speed (rpm)7200
- Maximum cutting depth (mm)60
- Hole diameter/shaft diameter (mm)22,23
- Disc diameter (mm)180
- Sound power LwA112 dB(A)
What it is
Twin-disc wall chaser, Makita SG181. Key specifications: absorbed power (W) 2150, no load speed (rpm) 7200, maximum cutting depth (mm) 60.
The wall chaser is a machine with two parallel diamond discs, which cuts channels in walls for laying pipes and cables.
What it is for
Used in the installation and maintenance of residential and industrial electrical systems, for running services through walls, floors and suspended ceilings and for cutting clay bricks and blocks.
How to use it
Adjust the depth and the distance between the discs and connect the dust extraction. Mark the line on the wall and start, guiding the machine slowly and evenly. Before cutting, check that there are no cables or pipes in the wall. Wear safety glasses, a dust mask and hearing protection.
Where it is used
- Residential construction
- Building services
- Renovation
Technical data
- Absorbed power (W): 2150
- No load speed (rpm): 7200
- Maximum cutting depth (mm): 60
- Hole diameter/shaft diameter (mm): 22,23
- Disc diameter (mm): 180
- Sound power LwA: 112 dB(A)
- Sound pressure LpA (dB(A)): 101
- Sound pressure uncertainty K (dB(A)): 3
- Vibration uncertainty K (m/s²): 1,5
- Cutting width (mm): 7 - 43
- Shaft hole diameter (mm): 22,23
- Noise uncertainty, factor K (dB(A)): 3
- Front handle vibration (m/s²): 5,8
- Rear handle vibration (m/s²): 5,8
Who it is for
Designed for electricians, plumbers, bricklayers and heating and plumbing engineers.
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Before you order
In your request, please state the diameter, the power rating 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 18
| Absorbed power (W) | 2150 |
|---|---|
| No-load speed (rpm) | 7200 |
| Maximum cutting depth (mm) | 60 |
| Hole diameter/shaft diameter (mm) | 22,23 |
| Disc diameter (mm) | 180 |
| Sound power LwA | 112 dB(A) |
| Sound pressure LpA (dB(A)) | 101 |
| Sound pressure uncertainty K (dB(A)) | 3 |
| Vibration uncertainty K (m/s²) | 1,5 |
| Cutting width (mm) | 7 - 43 |
| Shaft hole diameter (mm) | 22,23 |
| Noise uncertainty, factor K (dB(A)) | 3 |
| Front handle vibration (m/s²) | 5,8 |
| Rear handle vibration (m/s²) | 5,8 |
| Vibration uncertainty, factor K (m/s²) | 1,5 |
| Weight without cable (kg) | 5,6 |
| Dimensions (mm) | 435 × 185 × 245 |
| EAN | 0088381856065 |
Technical documents
Manufacturer documents (PDF, opens in a new tab).
Compare with similar models
Technical data declared by the manufacturers. An empty cell means the figure is not declared.
| Feature |
This model
Twin-disc wall chaser, Makita SG181
|
Twin-disc wall chaser, Makita SG1251J
|
Cordless rebar tying tool LXT 18V brushless motor Makita DTR180ZJ
|
|---|---|---|---|
| Brand | Makita | Makita | Makita |
| Absorbed power | 2150 W | 1400 W | — |
| No-load speed | 7200 rpm | 10000 rpm | — |
| Maximum cutting depth | 60 mm | 30 mm | — |
| Disc diameter | 180 mm | 125 mm | — |
| Sound power LwA | 112 dB(A) | 108 dB(A) | 85 dB(A) |
| Sound pressure LpA (dB(A)) | 101 dB(A | 97 dB(A | 78 dB(A |
| Cutting width | 7 - 43 mm | 6 - 30 mm | — |
| Weight without cable | 5,6 kg | 4,3 kg | — |
| View product → | View product → |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Vacuum dust, debris and liquids on site and in the workshop, also when connected to power tools.
For safety
Protect the airways from dust, fumes, gases and vapours during work.
Protect hearing from the noise of machines and tools by reducing the sound reaching the ear.
Protect eyes and face from fragments, dust, splashes and impacts.








