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SKT 3/8" DR 3/8 12PT - Stanley Proto Industrial Tools

Part #: J5212

The Stanley Proto J5212 SKT 3/8" DR 3/8 12PT is a professional-grade 3/8-inch drive, 3/8-inch, 12-point standard socket engineered for demanding automotive and industrial applications. This socket is designed to deliver reliable performance and exceptional durability, making it an essential tool for mechanics and technicians who require precision and strength in their work. Manufactured from heat-treated alloy steel, it offers the robust construction needed for consistent use in challenging environments.

Key Features

  • TorquePlus™ Design: Features a high-performance drive configuration that engages fastener flats rather than corners, significantly reducing the risk of slippage and minimizing fastener rounding. This design also helps extend fastener life and allows for easier turning of worn, rounded, or rusted fasteners.
  • 12-Point Configuration: Ideal for use on stubborn or damaged fasteners, as well as those made from softer materials, providing versatile engagement.
  • Durable Construction: Made from heat-treated alloy steel for maximum strength and long-lasting performance in professional settings.
  • Full Polish Finish: Provides corrosion resistance and a professional appearance.
  • Secure Connection: Equipped with a ball detent design and side locking hole to ensure a secure attachment to drive tools.
  • Compliance: Meets stringent ASME B107.110-2012 and SAE AS4984A standards for quality and performance.

Applications

This Stanley Proto 12-point socket is a critical tool for a wide range of professional tasks. It is particularly well-suited for general automotive repair and maintenance, including work on engines, transmissions, and suspension systems where reliable fastener engagement is crucial. In industrial environments, its robust design and TorquePlus™ system make it effective for maintaining heavy machinery, equipment in the oil, gas, and mining sectors, and various precision applications in industries such as aerospace. It is an ideal choice for technicians needing to loosen hard-to-turn bolts and nuts efficiently and safely.

Specifications

  • Drive Size: 3/8 inch
  • Socket Size: 3/8 inch (SAE)
  • Output Type: 12-Point
  • Overall Length: 1-3/32 inches
  • Weight: 0.06 lbs
  • Length Type: Standard
  • Finish: Full Polish
  • Country of Origin: USA
Only 1 left in stock - order soon

$9.61

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This product was added to our catalog on Saturday 11 July, 2026.

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