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The WILLIAMS COMFORT PRODUCTS QJRX30A is a 15/16-inch flare nut torque wrench head designed for precise fastening of flare fittings in refrigeration, HVAC, and plumbing applications. Built with a 12-point contact pattern, it delivers controlled torque up to 60 ft-lb through a J-type shank measuring 0.425 inches. The flare nut head style fully engages the fitting before applying torque, reducing the risk of rounding soft brass or stainless flare nuts. Licensed HVAC technicians and refrigeration mechanics typically reach for this type of head when making leak-free flare connections on refrigerant lines, gas supply tubing, or hydraulic fittings where standard open-end wrenches fall short.
This torque wrench head is suited for residential and light commercial service work where accurate torque values are required on SAE flare fittings. The J-type shank connects to compatible torque wrench handles that accept the 0.425-inch J-type drive, making it a direct add-on for technicians already working with that drive system. It is sold individually and is appropriate for field service, shop bench work, and installation tasks where flare nut connections must meet manufacturer torque specifications.
Designed for use with J-type torque wrench handles that accept a 0.425-inch J-type shank. Intended for SAE flare nut fittings in residential and commercial HVAC, refrigeration, and plumbing systems. No additional specific model compatibility was provided in the product data.
Installation is performed by licensed HVAC technicians or refrigeration mechanics. Always isolate and recover refrigerant or depressurize the system before working on flare connections. Confirm the J-type shank is fully seated in the torque wrench handle before applying force. Do not exceed the 60 ft-lb maximum torque rating to avoid damaging flare fittings or tubing.
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