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3/8" Drive 5/8" 12-Point Universal Hand Socket - Stanley Proto Industrial Tools

Part #: J5277A

The Stanley Proto J5277A 3/8" Drive 5/8" 12-Point Universal Hand Socket is engineered for professional technicians and mechanics tackling challenging fastening applications. This upgraded version of the J5277 features a robust pin system for enhanced performance and durability, connecting the central block to the driving and open ends. Its universal joint design allows for exceptional turning angles, up to 65°, making it ideal for reaching fasteners in obstructed or confined spaces where a straight application is not feasible.

Key Features

  • Universal Design: Permits up to a 65° turning angle, providing access to fasteners in restricted areas.
  • 12-Point Configuration: Effectively engages stubborn, damaged, or soft-material fasteners, minimizing slippage and rounding.
  • TorquePlus™ Technology: A high-performance drive configuration that ensures quick and easy socket engagement to the fastener flats, not the corners.
  • Radius-Corner Design: Distributes contact stress over a larger area of the socket, which helps extend fastener life and allows for easier turning of worn, rounded, or rusted fasteners.
  • Durable Construction: Built to professional-grade standards, ensuring reliability and longevity in demanding industrial and automotive environments.
  • Improved Pin System: Replaces the previous screw-based system, offering superior connection and overall operational integrity.

Applications

This universal hand socket is an essential tool for automotive and industrial professionals. It is particularly valuable for engine work, chassis maintenance, and machinery repair where components often create obstacles for standard sockets. Its ability to work with worn or damaged fasteners makes it suitable for vehicle restoration projects, heavy equipment service, and any application requiring robust, reliable fastener engagement in tight quarters.

Specifications

  • Manufacturer: Stanley Proto Industrial Tools
  • Model Number: J5277A
  • Drive Type: 3/8"
  • Socket Size: 5/8"
  • Socket Type: 12-Point
  • Weight: 0.17 lbs (0.08 kg)
  • Bolt Clearance Depth (E): 39/64"
  • Drive End Outside Diameter (C): 7/8"
  • Nut End Hex Depth (D): 3/8"
  • Nut End Outside Diameter (B): 7/8"
  • Socket Length (L): 1-27/32"
  • Standards: ASME B107.1, AS954E S3.8.1 (ASME B107.110-2018, AS4984A mentioned in search results)
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This product was added to our catalog on Tuesday 01 June, 2010.