Williams Comfort Products JHWSFH1820WA Box End Wrench 12-pt

Product Description

The WILLIAMS COMFORT PRODUCTS JHWSFH1820WA is a 12-point box end striking face wrench with a 4.625-inch opening, built for heavy industrial fastener work. This wrench is designed to be struck on its anvil area with a hammer, delivering high-torque impact to loosen seized or frozen fasteners or to drive and seat large fasteners securely. The anvil is proportional to the opening size, and special heat treating throughout the body provides the durability needed for sustained industrial use. Installed by millwrights, pipefitters, heavy equipment mechanics, and industrial maintenance technicians, this tool is engineered to perform where standard wrenches fail.

This wrench fits applications requiring large-opening striking tools, particularly in industrial maintenance, heavy equipment service, pipeline work, and structural assembly. The straight handle design resists springing under impact, allowing the fastener to rotate more cleanly with each blow. It is part of an expanded line of offset and straight striking face wrenches covering openings up to 4.625 inches, making it one of the most complete offerings in this class of hand tools. Typical use scenarios include frozen bolts on flanges, large pipe fittings, and structural connections where conventional torque tools cannot generate sufficient force.

Key Features

• 12-point box end design for positive engagement on large hex fasteners
• 4.625-inch opening accommodates large industrial fasteners
• Anvil proportioned to opening size for balanced, effective hammer strikes
• Special heat-treated construction for maximum durability under repeated impact
• Straight handle resists springing while allowing smoother fastener rotation
• Engineered for rigorous industrial use in maintenance and assembly environments

Compatibility

Designed as a direct-fit striking face wrench for large-opening industrial fastener applications requiring a 12-point, 4.625-inch box end configuration.

Installation Notes

This tool is intended for use by qualified mechanics, pipefitters, or industrial maintenance technicians familiar with striking wrench procedures. Always use an appropriate dead-blow or ball-peen hammer rated for striking tool use — never strike with another wrench or hardened surface that could cause chipping. Inspect the anvil and wrench body for cracks or deformation before each use, and discontinue use if damage is found. Ensure the wrench is fully seated on the fastener before striking to prevent rounding or slippage.

Technical Specifications

• Opening Size: 4.625 inches
• Point Count: 12-point
• Handle Design: Straight
• Weight: 30.269 pounds
• Length: 3 inches
• Width: 18 inches
• Height: 5.5 inches
• Unit of Measure: Each

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHWSFH1820WA