Axle Hub Bridge Nut Socket - Lisle

The Lisle 31550 Axle Hub Bridge Nut Socket is an essential tool for professional technicians servicing heavy trucks and vocational vehicles. This specialized, heavy-duty socket ensures a secure, full-contact fit, enabling precise high-torque application to stubborn axle hub bridge nuts without the risk of slippage or component damage. It is engineered to provide reliable and efficient service in demanding shop environments.

Key Features

• Precision Engagement: Engineered for secure, full-contact engagement with axle hub bridge nuts, effectively preventing fastener rounding or deformation during high-torque applications. The socket features nine drive pins specifically designed to fit the new style retaining nut on GM GMT900 platform trucks.
• Heavy-Duty Construction: Constructed from robust, heavy-wall alloy steel to resist distortion, even under repeated high-impact or breaker-bar use, ensuring long-term tool integrity.
• Stable Operation: Its substantial mass provides stable, positive engagement on corroded or seized bridge nuts, enhancing technician control and safety during critical repairs.
• Optimized Torque Application: Designed for consistent and repeatable torque application, crucial for proper maintenance of axle hub components. It is compatible with ½" (12.7 mm) drive tools.
• Broad GM Compatibility: Specifically removes and installs hub bearing retaining nuts on various 2-wheel and 4-wheel drive GM GMT900 platform trucks, including Cheyenne, Silverado, Escalade, Sierra, and Avalanche models with 10.5" or 11.5" ring gears.

Applications

The Lisle 31550 socket is a critical tool for the removal and installation of axle hub bridge nuts found on heavy-duty trucks, vocational chassis, and industrial equipment, particularly GM GMT900 platform full-size trucks. It is commonly utilized during maintenance tasks such as wheel bearing and hub service, axle shaft removal, drum and hub maintenance, and various driveline work where bridge-style axle nuts are present. This dedicated tool supports consistent torque application and repeatable service procedures across fleet, municipal, and commercial truck shops.

Specifications

• Manufacturer: Lisle
• Model: 31550 (Lisle Axle Hub Bridge Nut Socket)
• Weight: 2.5 lbs
• Dimensions: 3.7" x 3.1" x 3.3"