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Onpin OP-330D4 / OP-330D3 Air Impact Wrench - 1/2" & 3/8" Anvil, M12, 300Nm
Price:Contact Jade M-Tech
Category: Air Wrench
SKU: OP-330D4
The Onpin OP-330D4 (1/2" anvil) and OP-330D3 (3/8" anvil) air impact wrenches are designed for heavy-duty car and motor assembly lines. Powered by a durable full alloy steel motor, the tool features a single-hammer mechanism delivering a maximum torque of 300 Nm and a free speed of 8800 rpm at 90 psi (6.2 bar) working pressure. It includes an indexed forward/reverse switch, a 360° side exhaust design, and a hanging ring for spring balancer integration. With a compact overall length of 200 mm and a net weight of 1.2 kg, it provides reliable performance for high-productivity industrial applications.
OP-330D4 Series Models & Sizes:
- OP-330D
- OP-330D4
- OP-330D3
- air impact wrench
- pneumatic impact wrench
- 1/2 air impact wrench
- Onpin air tools
- industrial air wrench
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Design file download links:
PDF file** If you are using Google Chrome, please copy the download link and paste it into a new tab to download the 3D file (For support, please contact hotline: +84 935 136 236).
Description
Specification OP-330D4:
Key Features of Onpin OP-330D4 / OP-330D3
- Full alloy steel motor: Engineered for maximum durability and resistance under high-intensity continuous production lines.
- Single-hammer mechanism: Delivers high torque output for heavy-duty fastening and unfastening tasks.
- Indexed forward/reverse switch: Ensures clear, precise directional changes during operation.
- 360° side exhaust design: Directs exhausted air away from the operator and work surface for enhanced workplace safety.
- Integrated hanging ring: Designed for effortless mounting onto spring balancers to reduce fatigue during overhead or station work.
Technical Specifications of Onpin OP-330D4 / OP-330D3
- Anvil size: 1/2" (13 mm) for OP-330D4; 3/8" (10 mm) for OP-330D3
- Bolt size capacity: M12
- Operating air pressure: 90 psi (6.2 bar / 6.3 kg/cm²)
- Working torque: 140 Nm (103 ft-lb)
- Max torque: 300 Nm (221 ft-lb)
- Free speed: 8,800 rpm
- Air consumption: 268 l/min (9.5 cfm)
- Overall length: 200 mm (7.87 in)
- Air inlet size: 1/4" P.T
- Net weight: 1.2 kg (2.65 lb)
- Sound level: 98 dB(A)
Industrial Applications of Onpin OP-330D4 / OP-330D3
- Automotive and heavy motorcycle assembly: Ideal for high-productivity production line fastening operations.
- Industrial machinery maintenance: Used for fast removal and installation of M12 threaded fasteners up to 300 Nm.
- Mechanical manufacturing: Suitable for station-based component fastening utilizing overhead spring balancers.
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