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

Part #: B4-1

The NEPROS B4-1 Socket is a professional-grade 1/2" drive, 1" SAE standard 6-point socket engineered for demanding automotive and industrial applications. Crafted by Kyoto Tool Co., Ltd. (KTC), a renowned Japanese manufacturer, this socket embodies NEPROS's commitment to precision, durability, and ergonomic design for professional mechanics and technicians.

Key Features

  • Superior 5GQ Steel Construction: Manufactured from NEPROS's proprietary 5GQ Steel, which undergoes advanced heat treatments for exceptional strength, toughness, and longevity in professional use.
  • Optimal 6-Point Design: Engineered to grip the flat sides of hexagonal fasteners, this 6-point configuration minimizes the risk of slippage and rounding, even under high torque conditions.
  • Enhanced Fastener Engagement: Features a power-fit shape designed to maximize the contact surface with bolts and nuts, distributing stress evenly and reducing the likelihood of fastener damage.
  • Precision Engineering: Produced with industry-leading tolerances, this socket provides a tight and secure fit, ensuring efficient power transmission and preventing wobbling during operation.
  • Durable Hard Chrome Plating: The socket is finished with hard chrome plating, offering superior corrosion and wear resistance, which maintains its professional appearance and extends its service life.
  • NEPROS Quality Assurance: Backed by NEPROS's commitment to quality and durability, reflecting generations of master craftsmanship and a lifetime warranty.

Applications

This 1" SAE 6-point socket is indispensable for professional technicians across various settings. It is ideally suited for high-torque applications in automotive repair, such as working with suspension bolts, axle nuts, and lug nuts on vehicles requiring SAE measurements. Its robust design also makes it suitable for heavy machinery maintenance, manufacturing, and general industrial assembly where stubborn or tightly fastened hex bolts are encountered.

Specifications

  • Manufacturer: NEPROS
  • Model Number: B4-1
  • Drive Size: 1/2"
  • Socket Type: SAE Standard, 6-Point
  • Nominal Size: 1"
Only 4 left in stock - order soon

$13.27

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  • Model: 442401
  • Shipping Weight: 0.35lbs
  • UPC: 00498943135670
  • Manufacturers Part #: B4-1
  • Manufactured by: NEPROS
  • Also Known As: KTC-B4-1

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

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