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Air Die Grinder Onpin OP-G4218 - 6mm Collet, 18000 RPM, 0.5HP (373W) Horse Power
The Onpin OP-G4218 air die grinder is an industrial pneumatic power tool delivering 0.5 HP (373 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 18,000 rpm, a safety-lock trigger, and a protective PU cover to prevent hand chill in cold environments. Engineered with an extended overall length of 303 mm (11.81 inches), net weight of 0.93 kg (2.05 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 deep-reach performance for deburring and grinding operations.
- OP-G4218
- OPG4218
- OP G4218
- OP-G4218 series
- OP-G4218 model
- extended air die grinder 18000 rpm
- Onpin pneumatic die grinder 6mm collet
- safety lock trigger extended air grinder 0.5HP
- 360 degree rear exhaust extended die grinder
- long neck air micro grinder 303mm
Design file download links:
Other fileDescription
Specification OP-G4218
The Onpin OP-G4218 pneumatic air die grinder is an extended industrial handheld power tool delivering 0.5 HP (373 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 free speed of 18,000 rpm, it is engineered for high-efficiency deburring, detail grinding, and surface preparation in deep, hard-to-reach areas. Built with an extended body of 303 mm (11.81 inches), a cold-insulating PU cover, a safety-lock trigger, and a 360° rear exhaust, this tool provides maximum safety, extended reach, and comfort for professional industrial technicians.
Key Features of Onpin OP-G4218
- Extended Body Length of 303 mm (11.81 inches): Extended shank design allows operators to easily access deep cavities, narrow channels, and internal pipe walls.
- Powerful 0.5 HP (373 W) Motor: Delivers high torque and stable rotational power for heavy-duty material removal in deep recesses.
- Ergonomic Build & Cold-Insulating PU Cover: Weighs 0.93 kg (2.05 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 strain 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-G4218
- Brand: Onpin
- Model: OP-G4218
- Operating Air Pressure: 90 psi (6.2 bar / 6.3 kg/cm²)
- Collet Size: 6 mm (Options: 1/4", 3mm, 6mm)
- Free Speed: 18,000 rpm
- Horse Power: 373 W (0.5 HP)
- Air Consumption: 266 l/min (9.4 cfm)
- Overall Length: 303 mm (11.81 inch)
- Air Inlet: 1/4 P.T
- Net Weight: 0.93 kg (2.05 lb)
- Sound Level: 82 dB(A)
- Vibration Level: 0.5 m/s²
Industrial Applications of Onpin OP-G4218
- Die & Mold Manufacturing: Precision deep-cavity grinding, internal contour finishing, and deburring on large-scale stamping dies and plastic injection molds.
- Pipe & Metal Fabrication: Internal weld seam smoothing, deburring inside long tubes/cylinders, and edge chamfering on cast metal components.
- Automotive & Heavy Machinery Maintenance: Widely used in mechanical repair workshops, shipbuilding, automotive manufacturing, and plant maintenance operations.
