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SKT IMP 1/2DR 5/8 8PT - Stanley Proto Industrial Tools

Part #: J7420S

The Stanley Proto J7420S Impact Socket is engineered for professional technicians and mechanics who demand reliable performance in challenging automotive and industrial environments. This 1/2-inch drive, 5/8-inch, 8-point socket is specifically designed to withstand the high torque and repetitive forces generated by impact wrenches, ensuring durability and consistent results. Crafted from high-strength alloy steel and heat-treated, it offers the toughness required for demanding applications.

Key Features

  • Impact-Grade Construction: Built from robust alloy steel and heat-treated to endure the severe stresses of impact tool use, ensuring longevity and resistance to cracking or shattering.
  • 8-Point Design: Provides secure engagement with square head fasteners and can also effectively grip stubborn or damaged conventional hex fasteners, minimizing slippage and rounding.
  • TorquePlus™ System: Proto's specialized drive configuration contacts the fastener flats rather than the corners, distributing stress over a larger area to prevent fastener rounding and extend tool life.
  • Enhanced Engagement: Features a drive end chamfer, four detents, large clearance holes, and a nut end chamfer for quick, positive engagement and easy positioning on fasteners.
  • Optimized Wall Thickness: Manufactured with precise tolerances and an optimized wall thickness to deliver strength while allowing access to fasteners in recessed or confined areas.
  • Corrosion-Resistant Finish: A black oxide finish provides enhanced corrosion resistance and clearly distinguishes it as an impact-specific tool.

Applications

This versatile 5/8-inch, 8-point impact socket is an essential tool for technicians and mechanics working with specific square head fasteners, commonly found in various settings. It is ideal for accessing and servicing square drain plugs on small engines, marine engines, tractors, rear-ends, and transmissions. Additionally, it excels in industrial maintenance for pipe plugs, square head machine bolts, and brake slack adjusters on heavy-duty equipment. Its robust construction makes it suitable for working on older machinery or specialized equipment, including applications in the railroad industry or with square wood lag bolts in older structures.

Specifications

  • Manufacturer: Stanley Proto Industrial Tools
  • Model Number: J7420S
  • Drive Size: 1/2 inch
  • Socket Size: 5/8 inch
  • Points: 8-Point (Double Square)
  • Material: Forged Alloy Steel
  • Finish: Black Oxide
  • Overall Length: 1.5 inches
  • Weight: 0.26 lb
  • Country of Origin: USA
Usually In Stock Usually ships in 24-48 hours Manufacturer Direct

$14.34

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This product was added to our catalog on Friday 10 July, 2026.

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