Angle grinder QB-199

Product detailed description

QB-199 Angle Grinder Is A Professional M7 Pneumatic Tool For Daily Operation In Car Repair Shops, Tire Shops, Body Shops, And Industrial Workshops. Pneumatic drive ensures continuous performance without overheating and a lifespan tens of percent higher than electric models with carbon brushes.

Main Advantages Of M7 QB-199

• Pneumatic drive — continuous performance without overheating, no brushes to replace
• Robust professional construction for daily intensive use
• Ergonomic handle — comfortable long-term use
• Standard 1/4" quick connector — compatible with workshop distribution
• Operating pressure 6.3 bar — standard for professional workshops
• 2-year M7 warranty

Who Is M7 QB-199 For

• Professional tire services in Prague, Brno, Ostrava, Pilsen, and throughout the Czech Republic and Slovakia
• Car repair shops with daily operation — passenger and commercial vehicles
• Body shops and sheet metal work
• Mobile services with an onboard compressor
• Industrial maintenance and serial assembly

Construction and quality

The pneumatic drive eliminates carbon brushes and magnetic motor load — resulting in a 5–10× longer lifespan for key components compared to electric models. For maximum lifespan, we recommend a workshop filter-regulator-lubricator (FRL) unit, which automatically lubricates the tool and removes water and impurities from the compressor.

Mighty Seven (M7) is a Taiwanese manufacturer of professional pneumatic and cordless tools since 1965 with global distribution in dozens of countries. M7 supplies tools for the global market and emphasizes professional quality at an accessible price — significantly lower than premium Western competitors while maintaining comparable parameters.

Frequently asked questions

What compressor do I need for this tool?

We recommend a compressor with a delivery of at least 200–250 l/min at 6.3 bar for common applications. A weaker compressor will reduce the impact/rotation frequency and thus efficiency. For the most powerful models (e.g. NC-8266+, NC-9223) you need a 5.5 kW+ screw compressor with a delivery of 500+ l/min.

How often to lubricate pneumatic tools?

Before each working day, apply a drop of pneumatic (turbine) oil (OLN-1 or SW-12) directly into the inlet port. For a whole-workshop solution, we recommend an FRL unit. Without lubrication, tool life decreases by 30–50%.

Does the 2-year warranty apply to M7 products?

Yes, all M7 products come with a standard 2-year warranty from Mighty Seven for material and workmanship defects. Claims are processed through an authorized service center (compressors-air-technology.cz).

Where are M7 tools manufactured?

Mighty Seven is a Taiwanese manufacturer with its own production in Taiwan since 1965. Global distribution in dozens of countries. This is not Chinese OEM production — M7 has its own know-how, design department, and quality control.