Proto J5424N Hand Socket 3/4 Inch 12-point 1/2 Drive

Product Description

The PROTO J5424N is a 3/4-inch, 12-point hand socket designed for general mechanical and industrial fastener work. Built from chrome-plated steel, it fits a 1/2-inch drive ratchet or breaker bar and delivers reliable torque transfer on standard hex fasteners. The 12-point design allows engagement at 30-degree increments, giving the technician more positioning flexibility in tight access areas. At 1.75 inches in overall length, the J5424N falls into the standard-length category, making it suitable for most underhood, equipment, and structural fastening tasks encountered by mechanics and maintenance professionals.

The J5424N is suited for residential, commercial, and industrial service environments wherever 3/4-inch fasteners are encountered. Typical applications include heavy equipment maintenance, HVAC unit assembly and service, plumbing fixture installation, and general mechanical repair. The chrome finish resists corrosion in shop and field conditions. This socket is intended for use by trained mechanics and service technicians who require a reliable, standards-compliant hand tool for production or service work.

Key Features

• 3/4-inch socket size for standard hex fastener engagement
• 12-point geometry allows 30-degree indexing increments for restricted-access work
• 1/2-inch drive accepts standard ratchets, breaker bars, and torque wrenches
• Standard length at 1.75 inches overall for broad application fitment
• Chrome-plated steel construction for corrosion resistance and durability
• Meets AS4984A, ASME B107.110-2012, and SAE AS954G standards
• Lifetime warranty from manufacturer

Compatibility

Designed for use with any 1/2-inch drive ratchet, breaker bar, extension, or torque wrench following standard ASME B107 drive dimensions.

Installation Notes

Ensure the drive tool is fully seated in the socket before applying torque to prevent rounding or ejection. Inspect the socket and drive tool for cracks or wear before each use. Always power down or de-energize equipment before performing fastener work on electrical or mechanical assemblies. This socket is not tether-capable and should not be used in elevated or overhead environments where tool drop is a hazard.