Williams Comfort Products QXXM21A Torque Wrench Head 21MM

Product Description

The WILLIAMS COMFORT PRODUCTS QXXM21A is a 21 MM metric torque wrench head designed for high-torque fastening applications in mechanical and industrial service work. Built with a 12-point configuration and a 0.735-inch X-type shank, this head delivers precise engagement on metric fasteners up to a maximum torque of 240 foot-pounds. The 12-point design allows for easier socket placement in confined spaces, making it a practical choice for professionals working in tight engine bays, equipment enclosures, or heavy mechanical assemblies. Licensed tradespeople and industrial mechanics reach for this type of tool when accurate torque application is critical to joint integrity.

This torque wrench head is suited for use in residential and commercial mechanical service environments where metric fastener standards apply. It is intended for use with compatible torque wrench handles that accept an X-type 0.735-inch shank. Typical applications include HVAC equipment assembly, mechanical contracting, and general heavy-duty fastening tasks requiring controlled torque output at or below 240 foot-pounds.

Key Features

• 21 MM metric socket size for common heavy-duty fastener applications
• 12-point design for easier engagement in restricted access areas
• X-type shank with 0.735-inch diameter for secure handle connection
• Maximum torque rating of 240 foot-pounds for high-load fastening
• Compact profile at 5.5 inches in length and 0.48 pounds for reduced tool fatigue

Compatibility

Designed for use with torque wrench handles that accept an X-type 0.735-inch shank; verify handle compatibility before use.

Installation Notes

Installation and use should be performed by a qualified mechanic or licensed tradesperson familiar with torque fastening procedures. Ensure the torque wrench handle is properly seated and locked onto the X-type shank before applying load. Do not exceed the 240 foot-pound maximum torque rating to avoid tool damage or fastener failure. Follow applicable mechanical codes and equipment manufacturer specifications when torquing critical fasteners.

Technical Specifications

• Socket Size: 21 MM
• Shank Size: 0.735 inches
• Shank Type: X
• Point Type: 12 Point
• Maximum Torque: 240 foot-pounds
• Length: 5.5 inches
• Width: 0.5 inches
• Weight: 0.48 pounds
• Standard: Metric
• UPC: 662459935847

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: QXXM21A