Cdi Torque TCQZO44A Torque Wrench Head 1-3/8 in Open End

Product Description

The CDI TORQUE TCQZO44A is a 1-3/8 inch open end torque wrench head designed for precise fastener torquing in demanding trade and industrial applications. It accepts a Z-type shank with a 0.990 inch shank diameter and delivers a maximum torque output of 480 ft-lb, making it suitable for heavy-duty bolted connections. The open end head design provides access to fasteners in confined or obstructed locations where a closed socket cannot engage. The center-of-fastener to retaining pin dimension is 5-3/4 inches, which is relevant for calculating torque arm geometry when paired with a torque multiplier or drive wrench. The part weighs 1.53 pounds and is specified in SAE measurement.

This torque wrench head is used in mechanical and industrial service environments where high-torque, controlled fastening is required. Typical applications include equipment assembly, heavy mechanical maintenance, pipeline flange bolting, and structural fastener installation. The open end configuration suits hex fasteners that are accessible from the side but not from above. Trade professionals including millwrights, pipefitters, and industrial mechanics will find this head appropriate for high-torque applications where accurate ft-lb values must be verified and documented.

Key Features

• 1-3/8 inch open end head for side-access fastening
• Maximum torque capacity of 480 ft-lb for heavy-duty applications
• Z-type shank with 0.990 inch shank diameter for compatible drive tool pairing
• Center-of-fastener to retaining pin distance of 5-3/4 inches for torque arm reference
• SAE measurement standard
• Compact profile at 0.59 inch height for low-clearance access

Compatibility

Designed for use with CDI TORQUE Z-type drive torque wrenches and multipliers accepting a 0.990 inch Z-type shank. Verify shank interface compatibility with the specific drive tool before installation.

Installation Notes

Installation and use should be performed by a qualified mechanic or trade professional familiar with controlled torque fastening procedures. Ensure the drive wrench or multiplier is fully de-energized or at zero applied load before attaching or removing the wrench head. Confirm the shank is fully seated and the retaining pin is engaged before applying torque. Follow applicable equipment manufacturer torque specifications and relevant industry standards for the fastener being serviced.

Technical Specifications

• Head Size: 1-3/8 inches
• Head Type: Open End
• Measurement Type: SAE
• Maximum Torque: 480 ft-lb
• Shank Size: 0.990 inches
• Shank Type: Z
• Center of Fastener to Retaining Pin: 5-3/4 inches
• Length: 7.72 inches
• Width: 2.76 inches
• Height: 0.59 inches
• Weight: 1.53 pounds

Standard Information

• Brand: CDI TORQUE
• Manufacturer Part Number: TCQZO44A