Williams Comfort Products QJO44A Torque Wrench Head

Product Description

The WILLIAMS COMFORT PRODUCTS QJO44A is an open-end torque wrench head designed for precise fastener control in professional trade applications. Built to accept a J-type shank with a 0.425-inch shank size, this head delivers a maximum torque of 60 ft-lb and fits a 1 3/8-inch fastener. The center of fastener to retaining pin measurement is 2.5 inches, making it suitable for confined or specific-reach installations. Sold as a single unit, it is intended for use by licensed technicians and skilled tradespeople who require accurate torque application during assembly or service work.

This open-end torque wrench head is suited for residential and commercial service environments where access to standard hex or open fasteners is required. It is commonly used during equipment installation, component replacement, or mechanical assembly tasks that demand controlled torque output. The SAE sizing makes it appropriate for standard imperial fastener applications found across HVAC, plumbing, and general mechanical service work.

Key Features

• 1 3/8-inch open-end head for SAE fastener applications
• Maximum torque rating of 60 ft-lb for controlled tightening
• J-type shank with 0.425-inch shank diameter for compatible torque wrench drives
• Center of fastener to retaining pin distance of 2.5 inches
• Compact profile: 2.8 inches long, 3.7 inches wide, and 0.7 inches tall
• Lightweight at 0.45 pounds for reduced hand fatigue during extended use

Compatibility

Designed as an OEM-style replacement open-end torque wrench head for use with compatible J-type torque wrench drive systems requiring a 1 3/8-inch SAE open-end head.

Installation Notes

This torque wrench head should be installed by a qualified technician familiar with torque tool operation and the applicable mechanical or trade codes for the job. Ensure all power, gas, or fluid supplies to the equipment being serviced are properly shut off before applying torque to any fastener. Verify that the head is fully seated on the torque wrench shank and the retaining pin is engaged before applying load. Do not exceed the rated 60 ft-lb maximum torque capacity.

Technical Specifications

• Head Type: Open End
• Fastener Size: 1 3/8 inches
• Shank Type: J
• Shank Size: 0.425 inches
• Maximum Torque: 60 ft-lb
• Center of Fastener to Retaining Pin: 2.5 inches
• Length: 2.8 inches
• Width: 3.7 inches
• Height: 0.7 inches
• Weight: 0.45 pounds
• Measurement Standard: SAE
• Sold As: Each

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: QJO44A