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The WILLIAMS COMFORT PRODUCTS QYSD16A is a fixed square drive torque wrench head designed for precise torque application in professional trade settings. Built around a 1/2 inch drive, it accepts standard 1/2 inch drive torque wrenches and delivers a maximum torque capacity of 240 ft-lb. The shank measures 0.560 inches in diameter and uses a Y-type shank configuration for secure engagement. This torque wrench head is a purpose-built accessory for technicians who need accurate, repeatable torque on fasteners in HVAC, plumbing, or mechanical service applications.
This torque wrench head is suited for use in residential and commercial service environments where controlled fastener torque is required. The fixed square drive design makes it appropriate for applications involving pipe fittings, equipment mounting hardware, and structural fasteners encountered during mechanical system installation and maintenance. Licensed technicians and journeyman-level tradespeople are the primary users of this type of torque tooling.
Designed as a replacement or supplemental torque wrench head for use with 1/2 inch drive torque wrenches in SAE applications. No specific compatible model numbers were provided in the product data.
This torque wrench head is installed and used by licensed HVAC technicians, plumbers, and mechanical contractors. Before use, confirm the drive engagement is fully seated and the shank is locked into the torque wrench body. Do not exceed the 240 ft-lb maximum torque rating, as overloading the head can cause tool failure or fastener damage. Follow applicable mechanical codes and manufacturer torque specifications for the fasteners being serviced.
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