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Air Die Grinder Onpin OP-G4120E - 6mm Collet, 22000 RPM, 0.3HP (230W) Horse Power
The Onpin OP-G4120E air die grinder is an industrial pneumatic power tool delivering 0.3 HP (230 W) horse power, operating at a standard 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 22,000 rpm, a safety-lock trigger, and a protective PU cover to prevent hand chill in cold environments. Engineered with an extended overall length of 288 mm (11.23 inches), net weight of 0.74 kg (1.63 lb), 360° rear exhaust, air consumption of 207 l/min (7.3 cfm), sound level of 82 dB(A), and low vibration level of 0.5 m/s², this tool provides high ergonomics and reach for precision deburring and grinding operations.
- OP-G4120E
- OPG4120E
- OP G4120E
- OP-G4120E series
- OP-G4120E model
- extended air die grinder 22000 rpm
- Onpin pneumatic die grinder 6mm collet
- safety lock trigger extended air grinder 0.3HP
- 360 degree rear exhaust extended die grinder
- long neck air micro grinder 288mm
Design file download links:
Other fileDescription
Specification OP-G4120E
The Onpin OP-G4120E pneumatic air die grinder is an extended industrial handheld power tool delivering 0.3 HP (230 W) of power, operating on a standard compressed air supply of 90 psi (6.2 bar / 6.3 kg/cm²). Equipped with a 6 mm standard collet size and a high free speed of 22,000 rpm, it is designed for high-efficiency deburring, detail grinding, and surface preparation in hard-to-reach areas. Built with an extended body of 288 mm (11.23 inches), a cold-insulating PU cover, a safety-lock trigger, and a 360° rear exhaust, this tool provides maximum safety, reach, and comfort for professional industrial technicians.
Key Features of Onpin OP-G4120E
- Extended Body Length of 288 mm (11.23 inches): Extended shank design allows operators to easily access deep cavities, narrow channels, and internal pipe walls.
- Lightweight & Cold-Insulating PU Cover: Weighs only 0.74 kg (1.63 lb) with a PU sleeve that prevents hand chill in cold environments.
- Safety-Lock Trigger Design: Eliminates accidental tool startup risks to ensure operator safety in heavy workplace environments.
- 360° Rear Exhaust: Directs air discharge away from the operator and work surface for cleaner operation.
- Low Vibration (0.5 m/s²) & Low Noise Level (82 dB(A)): Minimizes hand fatigue and noise exposure during extended work shifts.
- Standard 6 mm Collet: Holds rotary burrs securely (catalog options include 1/4", 3mm, and 6mm).
Technical Specifications of Onpin OP-G4120E
- Brand: Onpin
- Model: OP-G4120E
- Operating Air Pressure: 90 psi (6.2 bar / 6.3 kg/cm²)
- Collet Size: 6 mm (Options: 1/4", 3mm, 6mm)
- Free Speed: 22,000 rpm
- Horse Power: 230 W (0.3 HP)
- Air Consumption: 207 l/min (7.3 cfm)
- Overall Length: 288 mm (11.23 inch)
- Air Inlet: 1/4 P.T
- Net Weight: 0.74 kg (1.63 lb)
- Sound Level: 82 dB(A)
- Vibration Level: 0.5 m/s²
Industrial Applications of Onpin OP-G4120E
- Die & Mold Manufacturing: Precision deep-cavity grinding, internal contour finishing, and deburring on complex stamping dies and plastic injection molds.
- Pipe & Metal Fabrication: Internal weld seam smoothing, deburring inside tubes/cylinders, and edge chamfering on cast metal components.
- Automotive & General Plant Maintenance: Widely used in mechanical repair workshops, shipbuilding, automotive assembly lines, and heavy equipment maintenance.
