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The WILLIAMS COMFORT PRODUCTS QJRXSM14A is a 14 MM flare nut torque wrench head designed for precision fastening in trade service applications. Built to a 6-point geometry, it delivers controlled torque up to 60 ft-lb on flare nut fittings without rounding hex corners. The J-type shank measures 0.425 inches and accepts compatible torque wrench handles for secure engagement. This type of interchangeable torque head is a standard tool for HVAC, plumbing, and refrigeration technicians who need repeatable torque on metric flare fittings during installation or service work.
This torque wrench head is suited for residential and light commercial service scenarios where metric flare nut fasteners are used — common in refrigerant line connections, gas piping fittings, and hydronic system components. Technicians working with metric tubing assemblies will find the 14 MM sizing appropriate for standard flare nut sizes in those applications. It is sold as an individual head unit and is intended for use with a compatible J-shank torque wrench handle.
Designed for use with J-shank torque wrench handles that accept a 0.425-inch shank; verify handle compatibility before use.
This torque wrench head is installed and used by licensed HVAC technicians, plumbers, and refrigeration service professionals. Before applying torque to any fitting, ensure the system is depressurized and de-energized as required by the applicable service procedure. Use only with a calibrated torque wrench handle rated to match or exceed the fitting requirement. Do not exceed the 60 ft-lb maximum torque rating of this head.
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