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The WILLIAMS COMFORT PRODUCTS QJO14A is a 7/16 inch open-end torque wrench head designed for precise fastener torque application in professional trade settings. It accepts a J-type shank measuring 0.425 inches and delivers a maximum torque of 26 ft-lb, making it suitable for controlled tightening tasks where overtorque could damage components or fittings. The center of fastener to retaining pin dimension is 2.5 inches. Sized and rated for demanding fieldwork, this head is built for technicians who require repeatable, accurate torque output on SAE fasteners during service and installation procedures.
This torque wrench head is used in applications where controlled torque is critical, such as HVAC, plumbing, and mechanical service work. The open-end head style provides access to fasteners in tight or obstructed locations where a closed or box-end configuration cannot reach. Its compact profile and SAE sizing make it a practical addition to a torque wrench set used in residential or light commercial service scenarios. It is sold individually and is intended for use with compatible J-shank torque wrench handles.
Designed for use with J-shank torque wrench handles that accept interchangeable open-end heads. Verify shank compatibility with your torque wrench handle before installation.
Installation and use of this torque wrench head should be performed by a qualified trade professional. Ensure the head is fully seated and the retaining pin is secured before applying torque to any fastener. Do not exceed the maximum rated torque of 26 ft-lb, as overloading the head may cause inaccurate readings or tool damage. Inspect the shank and retaining pin interface for wear before each use.
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