CROWFOOT 3/8" DR 23MM WRENCH - Martin Tools

Part #: BC23MM

The Martin Tools BC23MM Crowfoot Wrench is an indispensable addition to any professional technician's toolkit, designed for precise fastener manipulation in confined spaces. This 3/8" drive, 23mm crowfoot wrench provides reliable performance and enhanced access, making it ideal for a wide array of automotive and industrial service applications where standard sockets or wrenches cannot reach.

Key Features

  • Precision 23mm Opening: Engineered for a snug, secure fit on 23mm fasteners, reducing the risk of rounding and ensuring efficient torque transfer.
  • Low-Profile Design: Specifically crafted to access fasteners situated in restricted areas, such as behind obstacles or within cramped engine compartments.
  • Professional-Grade Durability: Constructed from high-strength alloy steel, this wrench is built to withstand rigorous daily use in demanding professional environments.
  • 3/8" Square Drive Compatibility: Seamlessly integrates with standard 3/8" drive ratchets, torque wrenches, and extensions, offering versatile application options.
  • Corrosion-Resistant Finish: Features a durable coating to protect against rust and corrosion, extending the tool's lifespan and maintaining its appearance.

Applications

The BC23MM crowfoot wrench is essential for tasks that demand accurate torque application and access in tight quarters. Common use cases include:

  • Automotive Service: Ideal for working on oxygen sensors, fuel line fittings, hydraulic lines, brake lines, and various sensors and components within crowded engine bays.
  • Industrial Maintenance: Facilitates the tightening or loosening of fasteners on machinery, pumps, motors, and other equipment where conventional tools are too bulky.
  • HVAC and Plumbing: Provides the necessary reach and grip for fittings and connections in confined spaces within heating, ventilation, air conditioning, and plumbing systems.
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$58.93

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  • Model: 478077
  • Shipping Weight: 0.12lbs
  • UPC: 697950341194
  • Manufacturers Part #: BC23MM
  • Manufactured by: Martin Tools
  • Also Known As: MTBC23MM

This product was added to our catalog on Saturday 11 July, 2026.

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