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The WILLIAMS COMFORT PRODUCTS QYRXSM20A is a 20 MM metric flare nut torque wrench head designed for precision fastening in trade applications where accurate torque is critical. This 6-point head accepts a Y-type shank with a 0.560-inch shank size, providing a secure connection to compatible torque wrench handles. At a maximum torque rating of 113 ft-lb, it delivers the holding power needed for flare nut fasteners commonly encountered in HVAC, plumbing, and refrigeration work. Weighing just 0.33 pounds, the head is light enough for use in confined service spaces without sacrificing strength or accuracy.
This torque wrench head is suited for professional technicians who need repeatable, controlled torque on metric flare nut fittings. Typical applications include tightening refrigerant line fittings, hydraulic connections, and other metric fasteners found in commercial and residential mechanical systems. Its flare nut design grips hex fittings on multiple sides, reducing the risk of rounding off fasteners on soft metal tubing connections common in HVAC and plumbing installations.
Designed as a replacement or supplemental torque wrench head for use with compatible Y-type shank torque wrench handles accepting a 0.560-inch shank. Verify handle shank compatibility before installation.
Installation and use should be performed by a qualified trade professional familiar with torque wrench equipment and proper fastening procedures. Confirm the wrench handle and head shank interface are fully seated and locked before applying torque. Do not exceed the 113 ft-lb maximum torque rating to avoid tool damage or fastener failure. Inspect the head for wear or cracks before each use.
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