Williams JHW8819BW 12-point Striking Box End Wrench 3.75 in

Product Description

The WILLIAMS COMFORT PRODUCTS JHW8819BW is a 12-point offset striking face box end wrench designed for industrial fastener work where standard wrenches cannot generate enough torque or cannot reach frozen, corroded, or heavily loaded fasteners. The wrench features a 3.75-inch opening and an overall length of 18.28 inches. The offset handle sits close to the head, providing clearance in tight or confined working areas. Special heat treating across the alloy construction delivers maximum durability for sustained heavy-duty use. This tool is sold individually and is intended for professional tradespeople working in industrial, mechanical, or maintenance environments.

This striking face box end wrench is suited for industrial maintenance, heavy equipment service, pipefitting, structural work, and any application where fasteners have seized or require high-torque setting. The anvil area is proportionally sized to the opening, allowing a hammer blow to transfer force cleanly without damaging the wrench or the fastener. It is part of an expanded line of offset striking face wrenches covering openings up to 4.25 inches, making it a practical fit for shops and field crews that encounter large-diameter fasteners regularly.

Key Features

• 12-point box end engages fasteners at multiple positions for ease of placement in restricted swing areas
• Striking face anvil is proportional to the 3.75-inch opening for controlled, safe hammer use
• Offset handle design provides clearance in confined or obstructed spaces
• Special heat treating on all critical surfaces for long service life under rigorous industrial use
• Engineered to withstand repeated hammer strikes without deformation or failure

Compatibility

Designed as an OEM-style industrial hand tool for use with 3.75-inch 12-point fasteners in heavy mechanical, industrial maintenance, and structural service applications.

Installation Notes

This wrench is installed by qualified mechanics, millwrights, pipefitters, or maintenance technicians handling large fasteners. Before use, ensure the box end is fully seated on the fastener and the anvil face is clear of obstructions before striking. Use a ball-peen or engineers hammer of appropriate weight on the anvil area only. Never strike the handle or use the wrench as a striking tool on surfaces other than the designated anvil.

Technical Specifications

• Drive / End Type: 12-Point Box End
• Opening Size: 3.75 inches
• Overall Length (OAL): 18.28 inches
• Handle Style: Offset
• Weight: 27.86 pounds
• Sold As: Each
• UPC: 662459104625

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHW8819BW