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Socket 1/2" Drive Metric Standard 12 pt 31 - NEPROS

Part #: B4-31W

Introducing the NEPROS B4-31W 1/2" Drive Metric Standard 12 pt 31 Socket, a professional-grade tool engineered for precision and durability in demanding automotive and industrial environments. Crafted by NEPROS, the premier brand of Kyoto Tool Company (KTC), this socket embodies superior design and meticulous manufacturing standards, offering unmatched performance for professional technicians.

Key Features

  • N-PowerFit Drive System: This innovative design maximizes contact with fasteners through an enlarged surface area, reducing the risk of rounding bolts and nuts while distributing stress evenly. It also minimizes the gap and play when engaged, ensuring a secure fit and easier use.
  • Exceptional Durability: Manufactured with KTC's proprietary 5GQ Steel and advanced heat treatment processes, this socket offers enhanced strength, corrosion resistance, and wear resistance, designed to withstand rigorous daily use in professional settings.
  • High Precision and Optimal Fit: NEPROS tools are known for their high dimensional accuracy and industry-leading tolerances, ensuring a snug fit with fasteners that minimizes slippage.
  • Compact Design: Engineered with minimized external dimensions, the socket provides superior access in confined or hard-to-reach workspaces, a critical advantage for intricate mechanical tasks.
  • Superior Finish: A proprietary hard chrome plating provides excellent anti-wear and anti-corrosion properties, resulting in a flawless, mirror-like finish that maintains its appearance over time.
  • Lifetime Warranty: Reflecting confidence in its quality and durability, NEPROS tools are backed by a lifetime warranty, offering long-term reliability for professional users.

Applications

The NEPROS B4-31W 1/2" Drive Metric Standard 12 pt 31 Socket is an indispensable tool for a wide range of professional applications. It is ideal for general automotive maintenance and repair, including chassis work, engine assembly, and component fastening. Mechanics and technicians in industrial settings will find it highly effective for machinery maintenance, equipment assembly, and any task requiring a precise and durable 31mm 12-point socket. Its robust construction ensures reliable performance even under high-torque conditions.

Only 1 left in stock - order soon

$18.49

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  • Model: 442470
  • Shipping Weight: 0.55lbs
  • UPC: 00498943134758
  • Manufacturers Part #: B4-31W
  • Manufactured by: NEPROS
  • Also Known As: KTC-B4-31W

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

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