Mirka® DEROS II 625 orbital sander

Mirka DEROS II 625 orbital sander, Precision, power, and comfort for your sanding needs

The Mirka DEROS II 625 is an electric orbital sander designed for professionals who refuse to compromise on finish quality.

With its brushless motor, 2.5 mm orbit, and optimized weight, every detail is engineered for precise and comfortable sanding, even during long sessions.

Compatible with the Mirka integrated dust extraction system, it keeps dust at your workstation to an absolute minimum.

A benchmark tool for automotive bodywork, woodworking, and composite surfaces, available at Dagobert Industrie.

Introducing the Mirka DEROS II 625: a next-generation orbital sander

The Mirka DEROS II 625 is an electric random orbital sander built for demanding professionals. It succeeds the first-generation DEROS by enhancing every key feature: power, precision, and ergonomics.

Its 2.5 mm orbit and 125 mm backing pad make it a versatile tool. It is equally well-suited for automotive bodywork and lacquered surfaces as it is for wood or composite materials.

Brushless motor and direct drive technology: the heart of the DEROS II

The DEROS II 625 features a direct drive brushless motor. No belts, no mechanical angle gears: the backing pad is driven directly by the rotor.

The practical result: fewer wearing parts, fewer vibrations transmitted to your hand, and consistent speed maintained even under load. The motor's lifespan is significantly longer compared to a conventional brushed motor.

Speed is adjustable from 3,000 to 10,000 rpm via a graduated dial. The electronic control system maintains the selected speed regardless of the pressure applied to the workpiece.

Model	Orbit	Pad	Motor	Speed (rpm)	Primary usage
Mirka DEROS II 625	2.5 mm	125 mm	Brushless direct drive	3,000-10,000	Bodywork, wood, composites
Mirka DEROS II 650	5.0 mm	125 mm	Brushless direct drive	3,000-10,000	Fast material removal, raw wood
Festool ETS EC 125/3	3.0 mm	125 mm	Brushless	6,000-12,000	Wood, paint, finishing
Rupes LHR 12E	12 mm	125 mm	Brushed	1,000-3,000	Bodywork polishing

The DEROS II 625 stands out for its small 2.5 mm orbit, ideal for fine finishing and delicate surfaces where every sanding mark counts.

Detailed technical specifications of the Mirka DEROS II 625

The Mirka DEROS II 625 is a brushless electric orbital sander designed for intensive professional use. It features a 350 W brushless motor for constant power regardless of the load.

The sanding pad measures 125 mm in diameter, with a 5 mm orbital stroke (hence the "5" in "625"). This combination is suitable for finishing sanding on bodywork, woodwork, and lacquered surfaces.

Speed is adjustable from 3,000 to 10,000 rpm via an electronic dial. A constant speed control system maintains the RPM under load, preventing marks and burn marks on sensitive surfaces.

The machine weighs approximately 900 g. This is a key advantage: it can be held for long periods without fatigue, even when working overhead or in uncomfortable positions.

Integrated dust extraction is compatible with Mirka PROS systems and standard dust extractors via a 27 mm connection. Extraction rates reach over 99% with perforated Mirka abrasives.

Model	Pad diameter	Orbital stroke	Motor power	Weight	Primary usage
Mirka DEROS II 625	125 mm	5 mm	350 W (brushless)	~900 g	Finishing, bodywork, woodwork
Mirka DEROS II 650	125 mm	5 mm	350 W (brushless)	~900 g	Finishing-230V mains variant
Mirka DEROS II 325	77 × 130 mm	3 mm	350 W (brushless)	~1,000 g	Tight areas, profiles
Festool ETS EC 125/3	125 mm	3 mm	400 W (brushless)	~1,100 g	Fine finishing, cabinetry
Bosch GEX 125-150 AVE	125/150 mm	4 mm	400 W (with brushes)	~1,300 g	General sanding, construction

Mirka DEROS II 625 vs. other orbital sanders: comparison table

Comparison with the Mirka DEROS II 5650, the DEOS, and competitors Festool and Bosch

The Mirka DEROS II 625 is clearly positioned within the range: 125 mm pad, 6.25 mm orbital stroke, 350 W brushless motor. A tool tailored for intermediate and finishing sanding on bodywork, cabinetry, and painted surfaces.

By comparison, the DEROS II 5650 moves up to a 150 mm pad with a 5 mm stroke. It covers larger surfaces but is less aggressive. The 625 remains more maneuverable on complex workpieces.

Model	Brand	Pad	Orbital stroke	Power	Weight	Primary usage
DEROS II 625	Mirka	125 mm	6.25 mm	350 W	0.9 kg	Finishing, bodywork, wood
DEROS II 5650	Mirka	150 mm	5 mm	350 W	1.0 kg	Large surfaces, wood
DEOS 353CV	Mirka	125 mm	3 mm	200 W	0.6 kg	Ultra-finishing, varnish
ETS 125 REQ	Festool	125 mm	2.5 mm	250 W	1.1 kg	Wood finishing, paint
GEX 125-150 AVE	Bosch Pro	125/150 mm	4 mm	400 W	1.5 kg	General sanding, construction

Mirka's DEOS 353CV targets ultra-finishing with a very short 3 mm stroke. It does not replace the DEROS II 625: the two are complementary depending on the work stage.

The Festool ETS 125 REQ is precise but heavier and less aggressive. The Bosch GEX 125-150 AVE offers more raw power but adds significant weight, +600 g compared to the DEROS II 625.

For intensive workshop or bodywork use, the lightweight design and 6.25 mm stroke of the DEROS II 625 make the difference during long sessions.

Performance in the field: applications and sectors for the DEROS II 625

The Mirka DEROS II 625 is a versatile sander, built for demanding professional environments. It adapts to a wide range of materials and finishes.

In automotive bodywork, it excels at inter-coat sanding, surface preparation before painting, and finishing polishing. Its 2.5 mm orbit ensures a uniform result without marks.

In woodworking, cabinet makers and joiners use it to smooth, refine, and prepare surfaces before varnishing or lacquering. It handles both softwoods and hardwoods with ease.

In industry and construction, it works on composites, plastics, panels, and metal surfaces. Its Bluetooth connection and digital interface allow parameters to be adjusted in real-time based on the surface.

Here are the primary sectors where the DEROS II 625 makes a difference:

• Automotive bodywork and paint, preparation, inter-coat, finishing
• Woodworking and cabinetry, precision sanding on solid wood and panels
• Composite and plastic industry, delicate sanding without gouging
• Construction sites, surface treatment before coating
• Aerospace and marine, finishing on technical materials

Its low vibration and integrated dust extraction system make it a tool well-suited for long work sessions, without excessive fatigue or residual dust.

Compatible accessories and dust extraction for dust-free sanding

The Mirka DEROS II 625 is designed to operate within a complete ecosystem. Mirka accessories are directly compatible, requiring no adapters.

The machine accepts 125 mm Mirka Abranet abrasives, which are perforated across their entire surface. This mesh design eliminates areas without suction and ensures uniform dust extraction across the entire pad.

Extraction connects via the integrated Ø 27 mm fitting, compatible with Mirka vacuum cleaners and most industrial vacuums on the market. At Dagobert Industrie, we also offer the Mirka MDE and MFDC vacuum cleaners, designed to work in tandem with the DEROS II.

Compared to a conventional sander using solid discs, the Abranet + direct extraction system drastically reduces abrasive clogging. The result: significantly longer abrasive life and a consistently clean work surface.

Mirka 125 mm replacement pads are available in soft or rigid versions depending on the nature of the surface being sanded, bodywork, carpentry, or composite.

Accessory	DEROS II 625 compatibility	Primary usage
Mirka Abranet 125 mm	✔ Native	Sanding wood, varnish, primer
Mirka Iridium 125 mm	✔ Native	Bodywork, painted surfaces
Mirka MDE Vacuum	✔ Ø 27 mm fitting	Fine dust extraction
125 mm soft pad	✔ Native	Curved surfaces, bodywork
125 mm rigid pad	✔ Native	Flat surfaces, carpentry

FAQ - Mirka DEROS II 625

1. Which is the best Mirka sander?

The answer depends on the application. For versatile, precise, and comfortable sanding, the Mirka DEROS II 625 is the benchmark of the range.

It combines a brushless motor, low vibration, and excellent dust extraction. For heavy-duty work or large surfaces, the DEROS II 5650 (150 mm pad) may be preferred.

At Dagobert Industrie, we recommend the DEROS II 625 for the majority of professionals: auto body technicians, carpenters, and painters.

2. What is the power of the Mirka DEROS II 625 sander?

The DEROS II 625 is equipped with a 350 W brushless motor. This is sufficient for aggressive sanding on wood, metal, paint, or primer.

The brushless motor ensures constant torque, even under load. The speed is adjustable from 3,000 to 10,000 rpm to adapt to any material.

The result: a machine that doesn't stall, doesn't overheat, and is built to last.

3. What is the difference between the DEROS II 625 and the DEROS II 5650?

The main difference is the size of the pad: 125 mm for the 625, 150 mm for the 5650.

The DEROS II 625 is more maneuverable, making it ideal for tight areas, complex shapes, and finishing work. The 5650 covers more surface area in fewer passes, suitable for large flat surfaces.

The 2.5 mm orbit is identical on both models. The choice is therefore based on the surface to be treated, not on power.

4. What is the most efficient orbital sander for bodywork and carpentry?

For bodywork, the DEROS II 625 is a solid choice: low vibration, uniform finish, compatible with Mirka Abranet and Galaxy abrasives.

For carpentry, it excels on raw wood, painted wood, and laminate. The 125 mm pad allows you to work near edges and into corners.

Compared to competitors like the Festool ETS EC 125 or the Bosch GEX 125-150 AVE, the DEROS II 625 stands out for its integrated dust extraction system and its lightweight feel during prolonged use.