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Two Hammer Impact Wrench Onpin OP-310B3 3/8" - M10-M12 Capacity, 90Nm Working Torque
The Onpin OP-310B3 3/8" pneumatic impact wrench features a dual-hammer mechanism delivering high attack frequency and low counteraction for demanding applications. It supports M10-M12 bolt capacities with a working torque of 90 Nm, a maximum torque of 240 Nm, and an 8000 rpm free speed. Engineered specifically for heavy-productive industries including rattan, carpentry, electrical, motor, aluminum, and hardware sectors.
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Design file download links:
PDF fileDescription
Specification Onpin OP-310B3
What is Onpin OP-310B3?
The Onpin OP-310B3 is a pneumatic two hammer impact wrench powered by compressed air and a dual-hammer mechanism to deliver high torque for heavy-duty industrial fastening and unfastening tasks. This tool provides robust fastening performance with high torque output, meeting rigorous technical requirements for professional manufacturing and mechanical workshops.
Key Features of Onpin OP-310B3
- Engineered with a high attack frequency for powerful tightening performance.
- Designed with low counteraction to ensure stable and controlled operation.
Technical Specifications of Onpin OP-310B3
- Model: OP-310B3
- Brand: Onpin (Hong Bing Pneumatic Industry Co., Ltd.)
- Anvil Size: 3/8"
- Bolt Size Capacity: M10–M12
- Working Torque: 90 Nm (66 ft-lb)
- MAX. Torque: 240 Nm (177 ft-lb)
- Free Speed: 8000 rpm
- Air Consumption: 254 l/min (9 cfm)
- Overall Length: 190 mm (7.48 inch)
- Net Weight: 1.06 kg (2.34 lb)
- Air Inlet Size: 1/4" P.T
- Standard Air Pressure: 90 psi (6.2 bar / 6.3 kg/cm²)
- Sound Level: 97 dB(A)
Industrial Applications of Onpin OP-310B3
- Specially deployed across heavy-productive industries.
- Widely applied in manufacturing sectors including rattan, carpentry, electrical, motor, aluminum, and hardware fields.
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