The Keysight/Agilent/HP 8710-1765 is a preset break-over torque wrench engineered for precise tightening of RF and microwave connectors in high-frequency applications. Designed specifically for DCA 3.5 mm connector systems, this tool delivers repeatable torque application to prevent connector damage and maintain signal integrity during assembly, calibration, and maintenance operations.
## Technical Specifications
• Torque setting: 8 lb-in (0.9 Nm)
• Torque tolerance: ±10% of setting
• Wrench opening: 5/16 inch (7.9 mm)
• Wrench head material: SKD11 Steel
• Drive size: 5/16 inch
• Net weight: 77 g (approximate)
• Pin depth (2.4 mm and 2.92 mm connectors): 0 to 0.002 inch (0 to 0.05 mm)
## Key Features
• Preset torque mechanism eliminates adjustment drift
• Break-over design provides positive tactile feedback at target torque
• Compact, lightweight construction (77 g) for field and lab use
• SKD11 steel head for durability in connector mating cycles
• ±10% accuracy supports precision requirements in RF systems
## Typical Applications
• Assembly and mating of 3.5 mm, 2.4 mm, and 2.92 mm RF connectors
• Calibration procedures using Keysight electronic calibration modules
• Connector maintenance in RF and microwave test systems
• Laboratory setups requiring repeatable connector torque control
• Signal chain assembly where impedance integrity depends on proper connection
## Compatibility & Integration
The 8710-1765 is designed for integration with Keysight N469xD, N443xD, and 8509xD Series calibration modules, as well as N1055A and N1076A-CR1/N1076B-CR1 instruments. Compatible with UXR oscilloscope models equipped with 1.85 mm connectors. This wrench is specified for DCA 3.5 mm connector types and is not interchangeable with torque wrenches used on network analyzer test ports featuring NMD-style 3.5 mm connectors.


















