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Air Die Grinder Onpin OP-G4220 - 6mm Collet, 20000 RPM, 0.5HP (373W) Horse Power
The Onpin OP-G4220 air die grinder is an industrial pneumatic power tool delivering 0.5 HP (373 W) horse power, operating under a standard compressed air pressure of 90 psi (6.2 bar / 6.3 kg/cm²). Featuring a standard 6 mm collet size (options for 1/4" and 3mm), a free speed of 20,000 rpm, a safety-lock trigger, and a protective PU cover to prevent hand chill in cold environments. Built with an overall length of 188 mm (7.3 inches), net weight of 0.62 kg (1.36 lb), 360° rear exhaust, air consumption of 266 l/min (9.4 cfm), sound level of 82 dB(A), and low vibration level of 0.5 m/s², this tool provides high ergonomics and efficiency for deburring and grinding operations.
- OP-G4220
- OPG4220
- OP G4220
- OP-G4220 series
- OP-G4220 model
- air die grinder 20000 rpm
- Onpin pneumatic die grinder 6mm collet
- safety lock trigger air grinder 0.5HP
- 360 degree rear exhaust air die grinder
- lightweight air micro grinder 0.62kg
Design file download links:
Other fileDescription
Specification OP-G4220
The Onpin OP-G4220 air die grinder is an industrial pneumatic handheld power tool delivering 0.5 HP (373 W) of power, operating under a standard compressed air pressure of 90 psi (6.2 bar / 6.3 kg/cm²). Equipped with a 6 mm standard collet size and a free speed of 20,000 rpm, it is engineered for efficient deburring, detail grinding, and precision surface preparation. Built with a cold-insulating PU cover, a safety-lock trigger, and a 360° rear exhaust, this tool ensures maximum safety, high comfort, and optimal productivity for industrial engineers.
Key Features of Onpin OP-G4220
- Reliable 0.5 HP (373 W) Power: Delivers stable torque output for smooth material removal and weld seam blending.
- Lightweight Build & Protective PU Cover: Offers an ergonomic grip that reduces user fatigue and prevents hand chill in cold environments.
- Safety-Lock Trigger Design: Prevents accidental tool start-up, enhancing operational safety in heavy workplace environments.
- 360° Rear Exhaust: Directs air discharge away from the technician and the workpiece to keep the operating area clean.
- Low Vibration (0.5 m/s²) & Low Noise Level (82 dB(A)): Minimizes hand strain and noise exposure during long working shifts.
- Standard 6 mm Collet: Holds rotary burrs securely (catalog options include 1/4", 3mm, and 6mm).
Technical Specifications of Onpin OP-G4220
- Brand: Onpin
- Model: OP-G4220
- Operating Air Pressure: 90 psi (6.2 bar / 6.3 kg/cm²)
- Collet Size: 6 mm (Options: 1/4", 3mm, 6mm)
- Free Speed: 20,000 rpm
- Horse Power: 373 W (0.5 HP)
- Air Consumption: 266 l/min (9.4 cfm)
- Overall Length: 188 mm (7.3 inch)
- Air Inlet: 1/4 P.T
- Net Weight: 0.62 kg (1.36 lb)
- Sound Level: 82 dB(A)
- Vibration Level: 0.5 m/s²
Industrial Applications of Onpin OP-G4220
- Die & Mold Manufacturing: Precision grinding, surface finishing, and deburring on complex plastic injection molds and stamping dies.
- Precision Mechanical Machining: Smoothing weld seams, edge chamfering, and deburring CNC-machined metal parts.
- Automotive & Plant Maintenance: Extensively used in automotive component assembly lines, repair workshops, and general industrial maintenance.
