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Air Sander Onpin OP-845P - 4 Inch Pad, 12000 RPM, 746W Motor Power
The Onpin OP-845P pneumatic sander features a 746 W (1.0 HP) motor power, operating at a standard working pressure of 90 psi / 6.2 bar / 6.3 kg/cm². It is equipped with a 101 mm (4 inch) pad size and achieves a high free speed of 12,000 rpm for efficient surface treatment. The tool measures 303 mm in overall length, weighs 1.5 kg, and comes with a 1/4 P.T air inlet and 9.5 mm (3/8 inch) hose size at an air consumption rate of 396 l/min.
- OP-845P
- OP845P
- OP 845P
- Onpin OP-845P
- Onpin OP845P
- Onpin OP 845P
- OP-845P series
- OP-845P model
- 4 inch air sander
- 4 inch pneumatic sander
- 4 inch air polisher
- Onpin pneumatic sander 4 inch
- 12000 rpm air sander
Design file download links:
Other fileDescription
Specification OP-845P
The Onpin OP-845P pneumatic sander is a compact, high-speed industrial air tool designed for grinding, deburring, and polishing metal surfaces and industrial components. Operating at a standard pressure of 90 psi (6.2 bar / 6.3 kg/cm²), it integrates a powerful 746 W (1.0 HP) motor with a 4-inch pad to deliver exceptional rotational efficiency. This tool is engineered for continuous, precision-driven operations in metalworking shops and manufacturing lines.
Key Features of Onpin OP-845P
- High Free Speed of 12,000 RPM: Provides ultra-fast material removal and fine surface finishing, significantly reducing cycle times.
- Robut Motor Power 746 W (1.0 HP): Maintains stable power output and high torque under heavy sanding loads without stalling.
- Compact 101 mm (4 inch) Pad Size: Enhances maneuverability, making it ideal for tight corners, curved profiles, and localized detail work.
- Lightweight & Ergonomic Build: Weighing only 1.5 kg (3.3 lb) with an overall length of 303 mm (11.91 inch), it minimizes operator fatigue during extended shifts.
- Standard Air Connection: Features a 1/4 P.T air inlet and a 9.5 mm (3/8 inch) hose size with an air consumption of 396 l/min (14 cfm) for seamless factory air system integration.
Technical Specifications of Onpin OP-845P
- Brand: Onpin
- Model: OP-845P
- Operating Air Pressure: 90 psi (6.2 bar / 6.3 kg/cm²)
- Pad Size: 101 mm (4 inch)
- Free Speed: 12,000 rpm
- Air Consumption: 396 l/min (14 cfm)
- Overall Length: 303 mm (11.91 inch)
- Air Inlet: 1/4 P.T
- Hose Size: 9.5 mm (3/8 inch)
- Net Weight: 1.5 kg (3.3 lb)
- Motor Power: 746 W (1.0 HP)
Industrial Applications of Onpin OP-845P
- Automotive Manufacturing & Repair: Weld seam grinding, bodywork finishing, and precision metal touching up.
- Precision Mechanical Machining: Deburring, smoothing stainless steel weld joints, and mold polishing.
- Sheet Metal & Control Panel Fabrication: Edge prep and surface smoothing prior to powder coating.
- Shipbuilding & Steel Fabrication: Cleaning small weld joints and removing rust in confined spaces.
