Proto Socket Impact 1-1/2 Drive 55MM 6 Point J15055ML-SBD

Proto's professional-grade 1-1/2 inch drive 55mm deep impact socket engineered for extreme industrial applications. This deep-well socket is specifically designed to provide access to 55mm hex fasteners on extended bolts or studs where standard-depth sockets cannot reach. Forged from high-strength alloy steel with a black oxide finish, it is built to withstand the tremendous torque and repetitive shock of high-capacity impact wrenches used in structural steel assembly, mining, and heavy equipment maintenance. The socket features a 6-point design with Proto's TorquePlus™ technology, which shifts the contact area away from fastener corners to the flats. This design significantly increases grip, allows for the removal of damaged fasteners, and prevents further rounding of high-value hardware. Its deep-well profile and robust construction ensure maximum durability and safety during high-torque maintenance. The shipping weight for this individual deep impact socket is approximately 8.15 lbs.
Key Features
Heavy-Duty 1-1/2 Inch Drive: Specifically engineered for massive industrial torque requirements where smaller drive sizes are insufficient.
Deep-Well Profile: Provides critical access to 55mm fasteners on extended threads, studs, or deeply recessed mechanical housings.
TorquePlus™ Technology: High-performance drive configuration delivers superior grip on the flats of the fastener, reducing slippage and rounding.
High-Strength Alloy Steel: Forged and heat-treated to professional standards to handle the extreme vibration and impact of power tools.
Black Oxide Finish: Offers a heavy-duty protective layer against rust and environmental corrosion in harsh outdoor or industrial settings.
6-Point Engagement: Precision-machined 6-point opening ensures a high-tolerance fit for 55mm hex fasteners.
Side Locking Hole: Includes a secure retention hole to ensure the socket stays safely locked onto the impact driver during high-speed operation.
Industrial Specification: Manufactured to meet or exceed rigorous performance standards for heavy-equipment maintenance and structural repair.