Williams Comfort Products QJRXSM13A Torque Wrench Head 13MM

Product Description

The WILLIAMS COMFORT PRODUCTS QJRXSM13A is a 13 MM flare nut torque wrench head designed for precise fastening in metric applications. Built with a 6-point contact geometry, it delivers consistent torque transfer while reducing the risk of fastener rounding. The head accepts a J-type shank measuring 0.425 inches and is rated to a maximum torque of 58 ft-lb. This type of wrench head is commonly used by HVAC technicians and plumbers when tightening flare fittings on refrigerant lines, gas connections, and fluid systems where controlled torque is critical to a leak-free joint.

This torque wrench head is suited for residential and light commercial service work where metric flare nut connections are encountered. HVAC technicians use it when working on copper refrigerant line sets with metric fittings, and plumbers reach for it on metric compression or flare-type supply connections. The compact profile — 0.5 inches in length and 2.8 inches in width — allows access in tight equipment bays and mechanical chases. It is sold individually and integrates with compatible J-type torque wrench drives.

Key Features

• 13 MM flare nut head for metric fastening applications
• 6-point contact design reduces fastener damage during torque application
• J-type shank, 0.425 inches, for compatibility with standard J-drive torque wrenches
• Maximum torque rating of 58 ft-lb
• Compact dimensions support use in confined installation spaces
• Lightweight at 0.11 pounds for reduced hand fatigue during repeated use

Compatibility

Designed for use with J-type torque wrench handles accepting a 0.425-inch shank. Intended for metric flare nut fasteners in HVAC, plumbing, and refrigeration service applications.

Installation Notes

Installation and use of this torque wrench head should be performed by a licensed HVAC technician or plumber familiar with torque specifications for the specific fitting being serviced. Always de-energize equipment and isolate refrigerant or fluid systems before working on connections. Verify the torque wrench drive and handle are rated to handle the load before applying force. Refer to the equipment manufacturer's service documentation for the required torque value for each fitting type.

Technical Specifications

• Head Size: 13 MM
• Head Type: Flare Nut
• Point Type: 6 Point
• Shank Size: 0.425 inches
• Shank Type: J
• Maximum Torque: 58 ft-lb
• Length: 0.5 inches
• Width: 2.8 inches
• Height: 0.8 inches
• Weight: 0.11 pounds
• UPC: 662459934642

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: QJRXSM13A