Mirka MR-525 5 in Pneumatic RO Finishing Sander, 2.5 mm Orbit
- The Mirka MR-525 is a 5-inch pneumatic random orbital finishing sander with a 2.5 mm (3/32 in) orbit. It delivers up to 12,000 rpm for high productivity and is constructed from composite materials for reduced noise and operator fatigue.
- Features:
- Fine 2.5 mm orbit offers smoother finishes and control for final sanding steps
- Capable of true 12,000 rpm speed for rapid material removal when needed
- Counterbalanced for 5-inch backup pads for smooth operation
- Convertible to vacuum operation with optional adapter to suit dust collection systems
- Moisture-resistant composite rotors and premium counterweight bearings enhance durability
- Includes:
- 5 in vinyl-faced PSA or hook & loop backup pad
- Pad wrench
- Bottle of air tool oil
- Specifications:
- Manufacturer: Mirka Abrasives
- Part Number: MR-525
- Orbit: 2.5 mm (3/32 in)
- Maximum Speed: 12,000 rpm
- Pad Diameter: 5 in (125 mm)
- Noise Level: ~80 dB
- Weight: ~1.7 lb (0.77 kg)
- System Compatibility / Application: Non-vacuum pneumatic finishing sander; optional vacuum adapters available; suitable for automotive, woodworking, composite, and refinishing workflows
- The MR-525 finishing sander may also be called Mirka 5 in 2.5 mm RO sander, MR-525 pneumatic sander, fine orbit finishing tool, 5-inch RO sander, and Mirka MR-525 air finishing sander.
Mirka designs the MR-525 for professionals needing a balance of speed and finesse, offering top-tier construction, optional dust setup, and reliable performance in demanding finishing tasks.
Q: Can this sander be used with dust extraction?
A: Yes. Although it ships as a non-vacuum model, the MR-525 can be converted to vacuum use with the proper adapter.
Q: What applications best suit a 2.5 mm orbit?
A: The 2.5 mm orbit is ideal for fine finishing, preparing surfaces between coats, and polishing tasks where control and surface quality are critical.
Q: What is included in the kit?
A: The kit includes a 5 inch backup pad, a pad wrench, and a bottle of air tool oil.
