Williams Comfort Products JHW8819AW Striking Face Box End Wrench

Product Description

The WILLIAMS COMFORT PRODUCTS JHW8819AW is a 12-point offset striking face box end wrench built for heavy industrial fastener work. The wrench features a 4.25-inch opening and an overall length of 18.28 inches, making it one of the larger offset striking wrenches in the Williams line. It is designed to be struck with a hammer on a hardened anvil to loosen frozen or seized fasteners, or to drive and seat tight hardware where standard torque tools cannot generate enough force. Licensed trade mechanics, millwrights, and industrial maintenance technicians are the primary users.

This wrench is suited for industrial maintenance, heavy equipment service, pipeline work, and structural assembly where large fasteners are involved. The offset handle geometry places the wrench head close to the work surface, providing clearance in confined or recessed areas where a straight wrench cannot seat properly. The anvil is proportioned to match the 4.25-inch opening size, distributing hammer impact evenly and reducing the risk of deformation under repeated use.

Key Features

• 12-point box end accepts both standard hex and double-hex fastener heads
• Anvil is proportionally sized to the 4.25-inch opening for balanced hammer-strike impact distribution
• Offset handle design provides clearance in confined installation areas
• Special heat treating applied for maximum durability under rigorous industrial use
• Part of an extended Williams offset striking face wrench line covering openings up to 4.25 inches

Compatibility

Designed as an OEM-style industrial striking wrench for use with large hex fasteners up to 4.25 inches across flats in heavy industrial and maintenance applications.

Installation Notes

This wrench is intended for use by qualified mechanics and industrial maintenance personnel. Always use an appropriate dead-blow or ball-peen hammer on the anvil face only — never strike the handle or box end. Confirm the wrench is fully seated on the fastener before applying hammer force to avoid rounding. Inspect the anvil and box end for cracks or deformation before each use and remove the tool from service if damage is found.

Technical Specifications

• Opening Size: 4.25 inches
• Overall Length (OAL): 18.28 inches
• Point Count: 12-point
• Handle Style: Offset
• Weight: 26.824 pounds
• UOM: Each
• UPC: 662459104656

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHW8819AW