PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 9/16 in Head Size
The PROTO J4918HFL is an SAE Flare Nut Crowfoot Wrench made of alloy steel with a chrome finish. It features a 3/8 in drive size, a 9/16 in head size, and 6 points. This crowfoot socket wrench is designed for use…
SKU 3G-OTH-312563
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Product Description
The PROTO J4918HFL is an SAE Flare Nut Crowfoot Wrench made of alloy steel with a chrome finish. It features a 3/8 in drive size, a 9/16 in head size, and 6 points. This crowfoot socket wrench is designed for use with flare nuts in industrial applications.
Frequently Asked Questions
What is the PROTO J4918HFL crowfoot socket wrench used for?
The PROTO J4918HFL SAE Flare Nut Crowfoot Wrench is designed for tightening or loosening flare nuts in industrial applications, such as hydraulic systems and fuel lines. Its 6-point, 9/16 in head grips the nut securely, while the 3/8 in drive connects to a ratchet or torque wrench for access in tight spaces.
What are the specifications of the PROTO J4918HFL crowfoot wrench?
The PROTO J4918HFL is an SAE Flare Nut Crowfoot Wrench made of alloy steel with a chrome finish. It has a 3/8 in drive size, a 9/16 in head size, and 6 points. The manufacturer part number is J4918HFL. This tool is built for durability and corrosion resistance in demanding industrial environments.
Where to buy the PROTO J4918HFL crowfoot wrench worldwide?
You can source the PROTO J4918HFL crowfoot socket wrench through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply PROTO tools to procurement teams and maintenance professionals internationally.
How to select the correct crowfoot wrench for flare nuts?
To select the correct crowfoot wrench, match the head size to the flare nut dimension—here, 9/16 in—and ensure the drive size (3/8 in) fits your ratchet. Choose a 6-point design for a secure grip on hex nuts. The PROTO J4918HFL's alloy steel and chrome finish provide strength and rust resistance for repeated industrial use.
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Common applications for PROTOPROTO Products
3G Electric supplies PROTO sae flare nut crowfoot wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













