Williams Comfort Products JHWSFH1820BW Box End Wrench

Product Description

The WILLIAMS COMFORT PRODUCTS JHWSFH1820BW is a 12-point box end striking face wrench designed for heavy-duty fastener work in demanding industrial environments. Built with a straight handle, this wrench resists springing under load while allowing frozen or heavily torqued fasteners to turn with less effort. The anvil area is sized proportionally to the 4.5-inch opening, engineered to withstand repeated hammer strikes without deforming. Special heat treating across the striking surface and body provides durability suited for long-term service in harsh conditions. Licensed tradespeople and industrial maintenance technicians working on large-diameter fasteners will find this tool purpose-built for the task.

This wrench is used in heavy industrial maintenance, construction, and mechanical applications where fasteners have seized or require high-torque setting. The 4.5-inch 12-point opening accommodates large hex fasteners common in structural, piping, and equipment assembly work. It is particularly effective in confined or offset spaces where conventional wrenches cannot deliver the striking force needed to break loose corroded or over-torqued hardware.

Key Features

• 12-point box end opening at 4.5 inches for large hex fasteners
• Striking face design accepts hammer blows on the anvil to loosen frozen fasteners or set tight ones
• Anvil is proportionally sized to the opening for balanced force distribution
• Straight handle resists springing and improves fastener rotation under load
• Special heat treating delivers maximum durability for rigorous industrial use

Compatibility

Designed as an OEM-style replacement and direct-use striking face wrench for industrial maintenance applications requiring a 12-point box end at 4.5 inches opening.

Installation Notes

This tool is intended for use by qualified mechanical tradespeople and industrial maintenance technicians. Always use an appropriate ball-peen or sledge hammer rated for striking tool use — never use a claw hammer or soft-face mallet on the anvil. Inspect the wrench for cracks or deformation before each use. Ensure the fastener is fully seated in the box end before striking to prevent rounding or tool damage.

Technical Specifications

• Opening Size: 4.5 inches
• Point Count: 12-Point
• Handle Style: Straight
• Length: 3.5 inches
• Width: 20 inches
• Height: 7 inches
• Weight: 30.931 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 1

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHWSFH1820BW