Astro Pneumatic onyx die grinder details
Astro Pneumatic Onyx Composite 1/4 Inch Medium Die Grinder (202)
Astro Pneumatic Onyx Composite 1/4 Inch Medium Die Grinder with Safety Lever 22,000 RPM (202) is designed for precise and efficient grinding tasks. The built-in regulator ensures optimal performance, while the rear exhaust air flow system directs air away from the work surface for better control and cleanliness.
The safety lever adds an extra layer of security during operation. With a powerful 1/2 hp motor and free speed of 22,000 RPM, this Onyx composite die grinder delivers consistent and robust performance, ensuring that your grinding tasks are completed quickly and effectively.
Specifications and Dimensions
Collet Size: 1/4"
Free Speed: 22,000 RPM
Overall Length: 6-3/4" (171 mm)
Net Weight: 1.4 lbs. (.63 kgs)
Air Inlet Thread NPT: 1/4"
Air Hose I.D. Size: 3/8" (10 mm)
Average Air Consumption: 3 cfm
Sound Pressure Level: 85 db(A)
Sound Power Level: 95 db(A)
Air Pressure: 90-120 psi
Key Features and Benefits
Rear exhaust air flow system directs air away from work surface
Compact and lightweight for ease of use
Built-in regulator for optimal performance
Safety lever for secure operation
High free speed of 22,000 RPM for efficient grinding
Powerful 1/2 hp motor
Product identification
- Brand: Astro Pneumatic
- Model / MPN: 202
1/4 inch die grinder: see the listed specifications for this model.


