Socket 1/2" Drive SAE Standard 6 pt 3/8 - NEPROS

Part #: B4-3/8

The NEPROS B4-3/8 Socket is a professional-grade 1/2" drive, SAE standard, 6-point 3/8-inch socket engineered for demanding automotive and industrial applications. Manufactured by NEPROS, a brand renowned for precision and durability, this socket is designed to provide a secure fit and efficient torque transfer, crucial for professional technicians and mechanics.

Key Features

  • Exceptional Durability: Constructed from high-quality chrome-molybdenum or chrome vanadium steel, the socket undergoes advanced processing and optimal heat treatment for maximum strength and resilience against wear.
  • Precision "N-PowerFit Shape": Features NEPROS' unique "N-PowerFit Shape" which enlarges the contact surface with fasteners, distributing stress through a gentle arc in the bore. This design enhances strength and significantly reduces the risk of rounding or damaging bolts.
  • Optimal Fastener Fit: Engineered with industry-leading tight tolerances, minimizing the fit gap with nuts and bolts for a superior, secure connection.
  • 6-Point Design: The hexagonal 6-point configuration grips the flats of fasteners rather than the corners, enabling maximum torque application without slippage and preventing rounding, especially on stubborn or rusted bolts.
  • Corrosion Resistance: Features a proprietary hard chrome plating for an exceptional surface finish, providing anti-wear and anti-corrosion properties, which prolongs the tool's lifespan and maintains its professional appearance.
  • Compact Design: Designed for maximum strength with minimal wall thickness, allowing access to fasteners in confined spaces where conventional sockets may not fit.

Applications

This NEPROS 1/2" drive, 3/8" SAE socket is an indispensable tool for a wide range of tasks requiring precision and robustness. Its 1/2" drive is ideal for heavy-duty projects and larger bolts that demand higher torque. Commonly used for engine work, chassis maintenance, suspension repairs, and other critical fastener applications on American-made vehicles and machinery. It is also well-suited for industrial maintenance, heavy equipment servicing, and general professional repair work where reliable, high-torque fastening and loosening are essential.

Only 2 left in stock - order soon

$10.78

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  • Model: 442463
  • Shipping Weight: 0.08lbs
  • UPC: 00498943135526
  • Manufacturers Part #: B4-3/8
  • Manufactured by: NEPROS
  • Also Known As: KTC-B4-3/8

This product was added to our catalog on Saturday 30 May, 2026.

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