Williams Comfort Products JHW8727 Box End Wrench 12-pt

Product Description

The WILLIAMS COMFORT PRODUCTS JHW8727 is a 12-point, double-end box wrench with a 9/16-inch and 5/8-inch opening, built for professional trade use in tight fastener applications. The wrench features a SUPERTORQUE box opening design that applies wrenching force to the flat surfaces of hex fasteners rather than the corners, allowing higher torque without rounding or deforming fastener points. A 60-degree offset box end provides additional knuckle clearance and bolt clearance when working in confined spaces. Licensed tradespeople and maintenance professionals across mechanical, plumbing, HVAC, and electrical disciplines rely on this style of wrench for reliable fastener work.

This offset box end wrench is suited for residential and commercial maintenance, equipment installation, and service work where standard open-end wrenches cannot safely deliver adequate torque. The dual-size ends — 9/16 inch and 5/8 inch — cover two of the most common fastener sizes encountered in trade work, reducing the need to swap tools during a job. Its compact profile and 60-degree head offset make it practical for recessed bolt heads and fasteners near panels, flanges, or structural members where straight access is limited.

Key Features

• SUPERTORQUE 12-point box opening design applies force to fastener flats, not corners, reducing fastener rounding under high torque
• 60-degree offset box end provides knuckle clearance and bolt access in tight or recessed work areas
• Dual-size ends: 9/16-inch and 5/8-inch openings on a single tool
• Size markings stamped on handle ends for quick identification
• Meets ANSI B107.6 federal specification

Compatibility

Designed for use with standard 12-point hex fasteners in 9/16-inch and 5/8-inch sizes, suitable for general mechanical, HVAC, plumbing, and electrical trade service applications.

Installation Notes

This wrench is a hand tool requiring no power source or special installation. Ensure the correct opening size is fully seated on the fastener before applying torque to prevent slippage. When working near live electrical panels or energized equipment, de-energize and lock out the system following applicable NFPA 70E procedures before using any hand tool in the work area. Inspect the wrench for cracks or deformation before each use and retire any tool that shows visible damage.

Technical Specifications

• Drive Type: 12-Point Box End
• Opening Sizes: 9/16 inch and 5/8 inch
• Head Offset: 60 degrees
• Length: 9.4 inches
• Width: 1.1 inches
• Height: 0.8 inches
• Weight: 0.4 pounds
• Standard: ANSI B107.6
• UPC: 662459103451

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHW8727