Proto J718A Adjustable Wrench 18 in 2-3/8 in Jaw Alloy Steel

Product Description

The PROTO J718A is an 18-inch adjustable wrench built for heavy-duty trade use in mechanical, industrial, and aerospace maintenance applications. The wrench features a 2-3/8 inch jaw capacity and is constructed from alloy steel with a satin finish. At 4 pounds, it carries the weight expected of a full-size professional-grade hand tool. It meets ASME B107.110-2012 standards and carries SAE AS4984A aerospace specification compliance, making it appropriate for both general mechanical work and regulated aerospace environments. A tapered handle provides a controlled grip during high-torque fastener work. A hang hole on the handle allows for tool board or peg storage.

This wrench is suited for residential and commercial mechanical work, industrial maintenance, and aerospace MRO applications where a large-jaw adjustable wrench is required. The 18-inch overall length provides the leverage needed for large fasteners and fittings. Mechanics, pipefitters, millwrights, and maintenance technicians working on oversized nuts, bolts, and fittings are the typical end users. The satin finish reduces glare in work environments and provides a clean appearance appropriate for professional tool inventories.

Key Features

• 18-inch overall length for extended reach and leverage on large fasteners
• 2-3/8 inch jaw capacity accommodates large nuts, bolts, and fittings
• Alloy steel construction for strength under high-torque applications
• Satin finish reduces surface glare and resists marring
• Meets ASME B107.110-2012 standard for adjustable wrenches
• SAE AS4984A aerospace specification compliance
• Hang hole for organized tool storage

Compatibility

Designed as a general-purpose adjustable wrench suitable for industrial, commercial, and aerospace maintenance applications requiring a jaw capacity up to 2-3/8 inches.

Installation Notes

Adjustable wrenches should be set to full contact with the fastener before applying torque to avoid jaw slip and fastener rounding. Always pull toward the movable jaw side when applying force. Confirm the jaw is fully seated and the worm gear is secure before use. Follow applicable workplace safety and tool-use guidelines for the trade environment.