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Onpin Air Screwdriver OP-328 Series EN ISO 11148-6:2012 - Max Torque 240Nm, 8800rpm, Two Hammer
The Onpin OP-328 Series Air Screwdriver (including models OP-328Q and OP-328F) utilizes a robust Two Hammer mechanism under standard 90 psi (6.2 bar) air pressure, delivering a free speed of 8800 rpm, working torque of 65 Nm, and maximum torque of 240 Nm for 6 ~ 8 mm screw capacity. It is equipped with an integrated muffler and a hook design compatible with spring balancers to enhance workplace safety and minimize operator fatigue. Offering both Q and F bit type options and a lightweight design at only 1.05 kg, this tool complies with European and ISO standards to maximize productivity on industrial assembly lines.
- OP-328 Series
- 328 Series
- OP-328Q Series
- OP-328F Series
- OP-328Q
- OP-328F
- 328Q
- 328F
- air screwdriver
- pneumatic screwdriver
- Onpin air screwdriver
- air impact screwdriver
- two hammer air screwdriver
Design file download links:
PDF fileDescription
Specification
The Onpin OP-328 Series Air Screwdriver (including OP-328Q and OP-328F models) is an industrial-grade pneumatic fastening tool featuring a two-hammer impact mechanism for heavy-duty assembly applications. Powered by standard compressed air at 90 psi (6.2 bar), it provides a working torque of 65 Nm and a maximum torque of 240 Nm at 8800 rpm free speed to ensure high fastening efficiency.
Key Features of Onpin OP-328 Series
- Two Hammer Mechanism: Driven by a robust Two Hammer Impact mechanism that ensures high torque output, fast loading, and long tool service life.
- High Speed & Torque Output: Features a free speed of 8,800 rpm and a maximum torque of 240 Nm for rapid screw driving operations.
- Multiple Bit Options: Provides two anvil/bit holder variants: Type Q (model OP-328Q) and Type F (model OP-328F).
- Integrated Muffler: Built-in muffler system effectively reduces operational noise during continuous factory use.
- Ergonomic Safety Design: Integrated hook design enables seamless pairing with spring balancers to minimize operator fatigue and improve workplace safety.
- International Compliance: Manufactured in compliance with EN ISO 11148-6:2012 and Machinery Directive 2006/42/EC European safety standards.
Technical Specifications of Onpin OP-328 Series
- Brand: Onpin
- Series Model: OP-328 Series (Detail models: OP-328Q, OP-328F)
- Impact Mechanism: Two Hammer Impact
- Normative Standards: EN ISO 11148-6:2012, Machinery Directive 2006/42/EC
- Screw Size Capacity: 6 ~ 8 mm
- Working Torque: 65 Nm (48 ft-lb)
- MAX. Torque: 240 Nm (177 ft-lb)
- Free Speed: 8,800 rpm
- Air Consumption: 268 l/min (9.5 cfm)
- Overall Length: 200 mm (7.87 inch)
- Air Inlet Size: 1/4 P.T
- Net Weight: 1.05 kg (2.31 lb)
- Sound Level: 98 dB(A)
- Operating Air Pressure: 90 psi (6.2 bar / 6.3 kg/cm²)
- Bit Type: Type Q (Model OP-328Q) / Type F (Model OP-328F)
Industrial Applications of Onpin OP-328 Series
- Mechanical Assembly Lines: Suitable for fast screw tightening on high-throughput industrial production lines.
- Enclosure & Sheet Metal Fabrication: Ideal for fastening operations on aluminum profiles, metal housings, and hardware components.
- Maintenance & Machine Shops: Delivers reliable performance and high torque output for heavy-duty workshop maintenance and equipment assembly
