Williams Comfort Products QJXB18A Torque Wrench Head

Product Description

The WILLIAMS COMFORT PRODUCTS QJXB18A is a 9/16-inch SAE torque wrench head designed for precise fastener torque application in mechanical and trade service work. The head features a 12-point configuration and accepts a J-type shank measuring 0.425 inches, allowing it to connect to compatible torque wrench drives. With a maximum torque rating of 60 ft lb, it is suited for medium-duty fastening tasks encountered in HVAC, plumbing, and general mechanical service. Weighing 0.11 pounds, the head is compact and easy to handle in confined spaces.

This torque wrench head is used in applications requiring controlled, repeatable torque on SAE-sized fasteners. It fits into service scenarios where over-torquing would damage components or under-torquing would cause joint failure. Typical users include HVAC technicians, plumbers, and mechanical contractors working on equipment with specified torque requirements for fasteners in the 9/16-inch SAE size range.

Key Features

• 9/16-inch SAE opening for standard SAE fastener sizes
• 12-point configuration for better engagement in tight access areas
• J-type shank with 0.425-inch shank diameter for compatible drive connection
• Maximum torque capacity of 60 ft lb for medium-duty fastening
• Lightweight at 0.11 pounds for easy single-hand use

Compatibility

Designed for use with torque wrench drives accepting a J-type shank of 0.425 inches. Intended for SAE fastener applications requiring a 9/16-inch head size.

Installation Notes

Installation and use of this torque wrench head should be performed by a qualified mechanic or trade professional familiar with torque specifications for the fasteners being serviced. Ensure the torque wrench drive is fully seated and locked onto the J-type shank before applying torque. Do not exceed the 60 ft lb maximum torque rating. Always de-energize or isolate the equipment being serviced before performing fastener work on mechanical assemblies.

Technical Specifications

• Head Size: 9/16 inches
• Shank Size: 0.425 inches
• Shank Type: J
• Point Type: 12 Point
• Maximum Torque: 60 ft lb
• Measurement Standard: SAE
• Weight: 0.11 pounds

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: QJXB18A