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FLARENUT CROWFOOT 1/2 WRENCH 3/8DR 6PT - Stanley Proto Industrial Tools

Part #: J4916HFL

The Stanley Proto J4916HFL Flarenut Crowfoot 1/2 Wrench 3/8DR 6PT is engineered for professional technicians and mechanics who require precision and access in challenging environments. This specialized crowfoot wrench is ideal for navigating hard-to-reach or restricted spaces where standard wrenches cannot fit, ensuring efficient and damage-free work on delicate fittings. Designed to attach to a 3/8-inch drive ratchet, extension, or torque wrench, it provides the versatility needed for various automotive and industrial applications.

Key Features

  • Optimized Flare Nut Design: Specifically engineered with a flare nut slot opening to slide over hydraulic lines, fuel lines, and other hoses, allowing direct access to hex connectors at their ends. This design grips more sides of the fastener than an open-end wrench, minimizing the risk of rounding on softer or critical fittings such as those found on brake or fuel systems.
  • Superior Access: The crowfoot configuration enables access to fasteners recessed or surrounded by pipes, brackets, or hoses, making it an indispensable tool for confined areas.
  • 3/8-inch Drive: Compatible with 3/8-inch drive ratchets, extensions, and torque wrenches, offering flexible application and leverage.
  • 1/2-inch Wrench Opening: Provides a precise fit for 1/2-inch flare nuts, crucial for secure engagement and preventing slippage.
  • 6-Point Configuration: The 6-point design delivers a robust grip on fasteners, further reducing the potential for stripping, especially on critical components.
  • Durable Construction: Crafted from alloy steel with a full polish finish, this wrench offers excellent corrosion resistance and is easy to clean, ensuring long-term durability in demanding shop environments. It also features a locking hole to help keep the crowfoot engaged on the extension during use.

Applications

This professional-grade flare nut crowfoot wrench is essential for tasks in:

  • Automotive Repair: Ideal for servicing brake lines, fuel lines, hydraulic lines, A/C lines, and power steering fittings, where precise torque and access are critical.
  • Industrial Maintenance: Useful in plumbing, HVAC systems, and machinery where flared fittings are present and space is a constraint.
  • Low Torque Applications: Particularly effective in situations requiring controlled tightening, especially when used with a torque wrench to meet OEM specifications.

Specifications

  • Manufacturer: Stanley Proto Industrial Tools
  • Model Number: J4916HFL
  • Wrench Opening: 1/2 inch
  • Drive Size: 3/8 inch
  • Points: 6
  • Overall Length: 1-5/8 inches
  • Material: Alloy Steel
  • Finish: Full Polished
  • Standards Met: ASME B107.21
Only 1 left in stock - order soon

$32.72

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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This product was added to our catalog on Monday 08 June, 2026.

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