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

Cut-off saw LXT Makita DMC300ZJ
Key features
- Battery voltage (V)18
- No load speed (rpm)20000
- Maximum cutting depth (mm)16
- Hole diameter/shaft diameter (mm)10
- Disc diameter (mm)76
- Sound power LwA99 dB(A)
What it is
Cut-off saw LXT Makita DMC300ZJ. Key specifications: battery voltage (V) 18, no load speed (rpm) 20000, maximum cutting depth (mm) 16.
An angle grinder is an electric, cordless or pneumatic rotating disc tool for cutting, deburring, wire brushing and, with accessories, polishing.
What it is for
Used for cutting building materials, from clay brick to concrete, for cutting metal sections, sheet and tube and for straight and shaped cuts in tiles and porcelain stoneware.
How to use it
Fit a disc suited to the job, with a diameter and maximum speed compatible with the machine, tighten it with the flange and key and position the guard between disc and operator. Hold with both hands using the side handle, start it unloaded and work without forcing and without twisting the disc in the cut. Wear safety glasses or a face shield, gloves and ear defenders, and unplug the machine before changing the disc.
Where it is used
- Building services
- Renovation
Technical data
- Battery voltage (V): 18
- No load speed (rpm): 20000
- Maximum cutting depth (mm): 16
- Hole diameter/shaft diameter (mm): 10
- Disc diameter (mm): 76
- Sound power LwA: 99 dB(A)
- Sound pressure LpA (dB(A)): 88
- Sound pressure uncertainty K (dB(A)): 3
- Vibration level, concrete cutting (m/s²): 3,0
Who it is for
Designed for drywall installers, electricians, plumbers and tilers.
Related products
- Angle grinder 115 mm Makita 9557HNRGK2
- Cut-off saw LXT Makita DMC300RTJ
- Chop saw disc 355x2.5x25.4mm, A36P, 5pz Makita B-49448-5 — from the category Metal Cutting Discs
- Depressed centre abrasive disc for metal Ø 125mm Makita D-18465 — from the category Metal Grinding Discs
- Forestry visor for helmet 988000021 Makita — from the category Safety Glasses, Goggles and Face Shields
- Browse the whole category: Angle Grinders
Before you order
In your request, please state the diameter, the supply voltage, 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 9
| Battery voltage (V) | 18 |
|---|---|
| No-load speed (rpm) | 20000 |
| Maximum cutting depth (mm) | 16 |
| Hole diameter/shaft diameter (mm) | 10 |
| Disc diameter (mm) | 76 |
| Sound power LwA | 99 dB(A) |
| Sound pressure LpA (dB(A)) | 88 |
| Sound pressure uncertainty K (dB(A)) | 3 |
| Vibration level, concrete cutting (m/s²) | 3,0 |
Compare with similar models
Technical data declared by the manufacturers. An empty cell means the figure is not declared.
| Feature |
This model
Cut-off saw LXT Makita DMC300ZJ
|
Cut-off saw LXT Makita DMC300RTJ
|
Cordless angle grinder 125 mm LXT Makita DGA519ZJ
|
Cordless angle grinder 125 mm LXT Makita DGA521ZX1
|
|---|---|---|---|---|
| Brand | Makita | Makita | Makita | Makita |
| Battery voltage | 18 V | 18 V | 18 V | 18 V |
| No-load speed | 20000 rpm | 20000 rpm | 8500 rpm | 8500 rpm |
| Maximum cutting depth | 16 mm | 16 mm | — | — |
| Hole diameter/shaft diameter | 10 mm | 10 mm | 22,23 mm | 22,23 mm |
| Disc diameter | 76 mm | 76 mm | 125 mm | 125 mm |
| Sound power LwA | 99 dB(A) | 99 dB(A) | 91 dB(A) | 91 dB(A) |
| Sound pressure LpA (dB(A)) | 88 dB(A | 88 dB(A | 83 dB(A | 83 dB(A |
| Sound pressure uncertainty K (dB(A)) | 3 dB(A | 3 dB(A | 3 dB(A | 3 dB(A |
| 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 steel, stainless steel, aluminium, rebar and sections when fitted to an angle grinder or cut-off saw.
Power and recharge cordless tools of the same system to keep working without stopping.
For safety
Protect eyes and face from fragments, dust, splashes and impacts.
Protect the airways from dust, fumes, gases and vapours during work.









