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Socket 3/8" Drive 9/16 12 Pt - Stanley Proto Industrial Tools

Part #: J5218

The Stanley Proto J5218 3/8" Drive 9/16" 12-Point Socket is an essential tool designed for professional technicians and mechanics seeking reliable performance and exceptional durability. Engineered for demanding automotive and industrial environments, this socket delivers secure fastening and efficient operation, even with challenging fasteners. Its robust construction ensures a long service life under rigorous conditions.

Key Features

  • TorquePlus™ Design: This high-performance drive configuration allows for quick and easy engagement with the fastener flats, rather not the corners, minimizing slippage and distributing contact stresses over a larger area.
  • Minimizes Fastener Rounding: The TorquePlus™ internal design is engineered to reduce fastener rounding and extend fastener life.
  • Versatile Fastener Engagement: Ideal for use on stubborn, damaged, or rusted fasteners, as well as those made from softer materials, allowing for easier turning.
  • Professional-Grade Construction: Manufactured by Stanley Proto Industrial Tools, known for their high-quality, industrial-grade tools built for professional users.
  • Durable Finish: Features a full polish finish, contributing to both corrosion resistance and a professional appearance.

Applications

This 3/8" drive, 9/16" 12-point socket is well-suited for a wide range of fastening and loosening tasks in automotive repair, heavy machinery maintenance, manufacturing, and general industrial applications. Its 12-point configuration allows for engagement at multiple angles, which is beneficial in confined spaces. Professional technicians will find it invaluable for engine work, chassis maintenance, and equipment assembly where precision and durability are paramount.

Specifications

  • Drive Size: 3/8 inch
  • Socket Size: 9/16 inch
  • Point Count: 12-Point
  • Finish: Full Polish
  • Standard: ASME B107.110-2012
  • Length: 1-1/8 inches (approximately)
Only 1 left in stock - order soon

$8.89

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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This product was added to our catalog on Saturday 11 July, 2026.

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