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Air Die Grinder Onpin OP-G2120 - 6mm Chuck Size, 20000 RPM, 1HP (746W) Rotor Power
The Onpin OP-G2120 pneumatic air die grinder is a heavy-duty industrial power tool operating under a standard compressed air pressure of 90 psi (6.2 bar / 6.3 kg/cm²). Equipped with a 6 mm chuck size and a powerful 746 W (1 HP) rotor engine, it achieves a free speed of 20,000 rpm for demanding deburring, heavy grinding, and metal finishing tasks. Featuring an overall length of 170 mm (6.69 inches), net weight of 1.16 kg (2.55 lb), 1/4 P.T air inlet, 3/8 inch (9.5 mm) hose size, and an air consumption of 410 l/min (14.5 cfm), this grinder offers high durability and efficiency for industrial fabrication and engineering workshops.
- OP-G2120
- OPG2120
- OP G2120
- OP-G2120 series
- OP-G2120 model
- air die grinder 1HP
- Onpin pneumatic die grinder 6mm collet
- heavy duty air grinder 20000 rpm
- industrial pneumatic grinder 746W
- air die grinder for metal deburring
Design file download links:
Other fileDescription
Specification OP-G2120
The Onpin OP-G2120 pneumatic air die grinder is a heavy-duty industrial air tool operating on a standard compressed air pressure of 90 psi (6.2 bar / 6.3 kg/cm²). It features a powerful 746 W (1 HP) rotor engine, delivering a free speed of 20,000 rpm with a 6 mm chuck collet size. Built with an overall length of 170 mm (6.69 inches) and weighing 1.16 kg (2.55 lb), this grinder is engineered for heavy deburring, weld grinding, and metal surface preparation in demanding industrial environments.
Key Features of Onpin OP-G2120
- High Rotor Power 1 HP (746 W): Provides robust torque output for heavy-duty material removal under tough working conditions.
- Standard 6 mm Chuck Size: Clamps securely onto larger industrial carbide burrs and mounted grinding points.
- Consistent 20,000 rpm Free Speed: Ensures efficient stock removal and consistent metal finishing.
- Industrial Air Intake Setup: Utilizes a 1/4 P.T air inlet with a recommended 9.5 mm (3/8 inch) hose size to handle the air consumption rate of 410 l/min (14.5 cfm).
- Solid Industrial Build: Weighs 1.16 kg (2.55 lb) to offer optimal tool stability and reduced hand chatter during heavy grinding.
Technical Specifications of Onpin OP-G2120
- Brand: Onpin
- Model: OP-G2120
- Operating Air Pressure: 90 psi (6.2 bar / 6.3 kg/cm²)
- Chuck Size: 6 mm
- Free Speed: 20,000 rpm
- Rotor Power: 746 W (1 HP)
- Air Consumption: 410 l/min (14.5 cfm)
- Overall Length: 170 mm (6.69 inch)
- Air Inlet: 1/4 P.T
- Net Weight: 1.16 kg (2.55 lb)
- Hose Size: 9.5 mm (3/8 inch)
Industrial Applications of Onpin OP-G2120
- Shipbuilding & Heavy Metal Fabrication: Weld seam leveling, heavy edge chamfering, and rust/burr removal on thick steel plates.
- Large Mold & Die Servicing: Rough deburring, blending weld repairs, and finishing contours on large metal casting dies.
- Automotive & Machinery Manufacturing: Cleaning casting risers, grinding iron/steel parts, and general heavy mechanical servicing.
