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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 cordless angle grinder is suitable for cutting and grinding metal, tiles, and stone, thanks to its 20V brush motor with 2 speeds (2600 and 8500 rpm) and a 125 mm disc. It weighs only...

The RURIS RMX4125 cordless angle grinder is suitable for cutting and grinding metal, tiles, and stone, thanks to its 20V brush motor with 2 speeds (2600 and 8500 rpm) and a 125 mm disc. It weighs only 1.6 kg, making it ideal for both hobbyists and professionals. It includes a battery and charger: ALFA UP 2400e 20V 4Ah battery with a bidirectional USB-C port...

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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 cordless angle grinder is suitable for cutting and grinding metal, tiles, and stone, thanks to its 20V brush motor with 2 speeds (2600 and 8500 rpm) and a 125 mm disc. It weighs only 1.6 kg, making it ideal for both hobbyists and professionals. It includes a battery and charger: ALFA UP 2400e 20V 4Ah battery with a bidirectional USB-C port and cable, as well as a 125 mm disc and auxiliary handle.

  • 2-speed brush motor: 2600 rpm for grinding and finishing, 8500 rpm for cutting and roughing, with a 125 mm disc compatible with standard accessories.
  • Versatile and portable: cuts metal, tiles, and stone anywhere, without a cord or outlet, where a corded grinder falls short.
  • Battery and charger included: ALFA UP 2400e 20V 4Ah battery with a bidirectional USB-C port and cable; charges from any USB-C port and works as a power bank for your devices.
  • Safety and comfort: adjustable guard, disc lock button for quick accessory changes, 2-position side handle, and total weight of 1.6 kg.
  • Kit contents: RMX4125 grinder, 20V 4Ah battery with LED indicator and USB-C cable, 125 mm grinding disc, auxiliary handle; the battery also powers other RURIS 20V tools.

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 cordless angle grinder is suitable for cutting and grinding metal, tiles, and stone, thanks to its 20V brush motor with 2 speeds (2600 and 8500 rpm) and a 125 mm disc. It weighs only 1.6 kg, making it ideal for both hobbyists and professionals. It includes a battery and charger: ALFA UP 2400e 20V 4Ah battery with a bidirectional USB-C port and cable, as well as a 125 mm disc and auxiliary handle.

  • 2-speed brush motor: 2600 rpm for grinding and finishing, 8500 rpm for cutting and roughing, with a 125 mm disc compatible with standard accessories.
  • Versatile and portable: cuts metal, tiles, and stone anywhere, without a cord or outlet, where a corded grinder falls short.
  • Battery and charger included: ALFA UP 2400e 20V 4Ah battery with a bidirectional USB-C port and cable; charges from any USB-C port and works as a power bank for your devices.
  • Safety and comfort: adjustable guard, disc lock button for quick accessory changes, 2-position side handle, and total weight of 1.6 kg.
  • Kit contents: RMX4125 grinder, 20V 4Ah battery with LED indicator and USB-C cable, 125 mm grinding disc, auxiliary handle; the battery also powers other RURIS 20V tools.

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.