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Ruris Rmx4125 – Cordless Angle Grinder 20v Brushless 125 Mm 2 Speeds 4ah Battery Included
Angle Grinders

Ruris Rmx4125 – Cordless Angle Grinder 20v Brushless 125 Mm 2 Speeds 4ah Battery Included

The Ruris RMX4125 angle grinder is cordless and features a brushless motor with two speeds: 2,600 rpm for sanding and finishing, and 8,500 rpm for cutting and grinding. It cuts and grinds metal,...

The Ruris RMX4125 angle grinder is cordless and features a brushless motor with two speeds: 2,600 rpm for sanding and finishing, and 8,500 rpm for cutting and grinding. It cuts and grinds metal, tiles, and stone, and accepts 125 mm discs compatible with standard accessories.

It is battery-powered and comes with a 20 V, 4 Ah battery with an LED indicator and...

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Top specs

  • Maximum Disc Diameter

    From 115mm to 150mm, it satisfactorily covers most amateur and professional tasks. The cutting depth ranges from 30mm to 40mm. A smaller disc diameter means that the wheel will be more flexible for simple tasks (e.g. electrical, plumbing, or DIY projects).

    From 180mm and above, it concerns industrial applications that require a larger cutting/sanding surface. The cutting depth is from 70mm and above.

  • Speed Setting

    Helps with tasks that require less speed and more detail such as sanding, polishing, DIY projects.
  • Number of Batteries 1

  • Ah

    More amps means that the wheel will work for a longer time until the battery runs out. Usually, 5 to 6 amps (Ah) are enough for most tasks.

  • Brushless

    The advantage that brushless motors have over brushed ones is that they do not have friction since there are no carbon brushes. Without carbon brushes, the motors are more efficient and have a longer lifespan as there is no wear (the carbon brushes in brushed motors wear out with use). They produce less noise, maintain constant torque at all speeds, do not overheat, and require no maintenance.

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Product report

Description

Description

The Ruris RMX4125 angle grinder is cordless and features a brushless motor with two speeds: 2,600 rpm for sanding and finishing, and 8,500 rpm for cutting and grinding. It cuts and grinds metal, tiles, and stone, and accepts 125 mm discs compatible with standard accessories.

It is battery-powered and comes with a 20 V, 4 Ah battery with an LED indicator and USB-C cable, as well as a charger. The battery supports bidirectional USB-C charging and can be used as a power bank for other devices. The package also includes a 125 mm grinding disc and a two-position auxiliary handle.

  • Power source: Battery
  • Voltage: 20 V
  • Battery capacity: 4 Ah
  • Number of batteries: 1
  • Motor technology: Brushless
  • Speeds: 2,600 and 8,500 rpm
  • Maximum motor speed: 8,500 rpm
  • Maximum disc diameter: 125 mm
  • Weight: 1.6 kg
  • Handle: Two-position auxiliary handle
  • Package contents: Angle grinder, battery, charger, USB-C cable, 125 mm grinding disc, auxiliary handle

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Main Specifications

Power Source
Battery

Power Source

Battery

Ideal for outdoor work away from power outlets or in environments where connection to electricity is dangerous (e.g. boiler rooms).
Maximum Motor Speed
8500 rpm

Maximum Motor Speed

The faster the speed, the easier the wheel can cut through material. Wheels with smaller diameter (up to 150mm disc diameter) typically operate at 10,000 rpm, while those with larger diameter (with disc diameter above 180mm) operate at 6,500 rpm.
Maximum Disc Diameter
125 mm

Maximum Disc Diameter

From 115mm to 150mm, it satisfactorily covers most amateur and professional tasks. The cutting depth ranges from 30mm to 40mm. A smaller disc diameter means that the wheel will be more flexible for simple tasks (e.g. electrical, plumbing, or DIY projects).

From 180mm and above, it concerns industrial applications that require a larger cutting/sanding surface. The cutting depth is from 70mm and above.

Battery Specifications

Number of Batteries
1
Volt
20 V
Ah
4 Ah

Ah

More amps means that the wheel will work for a longer time until the battery runs out. Usually, 5 to 6 amps (Ah) are enough for most tasks.
Lithium
Yes

Features & Functions

Speed Adjustment
Yes

Speed Adjustment

Helps with tasks that require less speed and more detail such as sanding, polishing, DIY projects.
Brushless
Yes

Brushless

The advantage that brushless motors have over brushed ones is that they do not have friction since there are no carbon brushes. Without carbon brushes, the motors are more efficient and have a longer lifespan as there is no wear (the carbon brushes in brushed motors wear out with use). They produce less noise, maintain constant torque at all speeds, do not overheat, and require no maintenance.
Soft Start
No

Soft Start

Feature that controls the starting speed of the tool when it is activated, so that it does not start abruptly at maximum torque.
Keyless Guard Adjustment
No
With Brake
No
Keyless Disc Change
No

Accessories

Carrying Case
Without
Handle Included
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

The Ruris RMX4125 angle grinder is cordless and features a brushless motor with two speeds: 2,600 rpm for sanding and finishing, and 8,500 rpm for cutting and grinding. It cuts and grinds metal, tiles, and stone, and accepts 125 mm discs compatible with standard accessories.

It is battery-powered and comes with a 20 V, 4 Ah battery with an LED indicator and USB-C cable, as well as a charger. The battery supports bidirectional USB-C charging and can be used as a power bank for other devices. The package also includes a 125 mm grinding disc and a two-position auxiliary handle.

  • Power source: Battery
  • Voltage: 20 V
  • Battery capacity: 4 Ah
  • Number of batteries: 1
  • Motor technology: Brushless
  • Speeds: 2,600 and 8,500 rpm
  • Maximum motor speed: 8,500 rpm
  • Maximum disc diameter: 125 mm
  • Weight: 1.6 kg
  • Handle: Two-position auxiliary handle
  • Package contents: Angle grinder, battery, charger, USB-C cable, 125 mm grinding disc, auxiliary handle

Manufacturer

Manufacturer Details

Warnings & Safety Information

Main Specifications

Power Source
Battery

Power Source

Battery

Ideal for outdoor work away from power outlets or in environments where connection to electricity is dangerous (e.g. boiler rooms).
Maximum Motor Speed
8500 rpm

Maximum Motor Speed

The faster the speed, the easier the wheel can cut through material. Wheels with smaller diameter (up to 150mm disc diameter) typically operate at 10,000 rpm, while those with larger diameter (with disc diameter above 180mm) operate at 6,500 rpm.
Maximum Disc Diameter
125 mm

Maximum Disc Diameter

From 115mm to 150mm, it satisfactorily covers most amateur and professional tasks. The cutting depth ranges from 30mm to 40mm. A smaller disc diameter means that the wheel will be more flexible for simple tasks (e.g. electrical, plumbing, or DIY projects).

From 180mm and above, it concerns industrial applications that require a larger cutting/sanding surface. The cutting depth is from 70mm and above.

Battery Specifications

Number of Batteries
1
Volt
20 V
Ah
4 Ah

Ah

More amps means that the wheel will work for a longer time until the battery runs out. Usually, 5 to 6 amps (Ah) are enough for most tasks.
Lithium
Yes

Features & Functions

Speed Adjustment
Yes

Speed Adjustment

Helps with tasks that require less speed and more detail such as sanding, polishing, DIY projects.
Brushless
Yes

Brushless

The advantage that brushless motors have over brushed ones is that they do not have friction since there are no carbon brushes. Without carbon brushes, the motors are more efficient and have a longer lifespan as there is no wear (the carbon brushes in brushed motors wear out with use). They produce less noise, maintain constant torque at all speeds, do not overheat, and require no maintenance.
Soft Start
No

Soft Start

Feature that controls the starting speed of the tool when it is activated, so that it does not start abruptly at maximum torque.
Keyless Guard Adjustment
No
With Brake
No
Keyless Disc Change
No

Accessories

Carrying Case
Without
Handle Included
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.