PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 3/8 in Head Size
The PROTO J4912HFL is an SAE Flare Nut Crowfoot Wrench made from alloy steel with a chrome finish. It features a 3/8-inch drive size, a 3/8-inch head size, and 6 points. This crowfoot socket wrench is designed for…
SKU 3G-OTH-312538
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Product Description
The PROTO J4912HFL is an SAE Flare Nut Crowfoot Wrench made from alloy steel with a chrome finish. It features a 3/8-inch drive size, a 3/8-inch head size, and 6 points. This crowfoot socket wrench is designed for use with flare nuts.
Frequently Asked Questions
What is the PROTO J4912HFL crowfoot socket wrench used for?
The PROTO J4912HFL is an SAE flare nut crowfoot wrench designed for tightening or loosening flare nuts in hydraulic, fuel, and brake line systems. Its 6-point, 3/8-inch head grips the nut securely, while the 3/8-inch drive connects to a ratchet or torque wrench for access in tight spaces.
What are the specifications of the PROTO J4912HFL crowfoot wrench?
The PROTO J4912HFL is made from alloy steel with a chrome finish. It has a 3/8-inch drive size, a 3/8-inch head size, and 6 points. The manufacturer part number is J4912HFL. This SAE flare nut crowfoot wrench is built for durability and corrosion resistance in professional automotive and industrial applications.
Where to buy the PROTO J4912HFL crowfoot socket wrench worldwide?
3G Electric supplies the PROTO J4912HFL crowfoot socket wrench worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this PROTO tool to meet your procurement needs.
How to select the correct crowfoot wrench for flare nuts?
To select the correct crowfoot wrench, match the head size and drive size to your flare nut and ratchet. The PROTO J4912HFL has a 3/8-inch head and 3/8-inch drive, suitable for SAE flare nuts. Ensure the wrench has 6 points for a secure grip and is made from alloy steel with a chrome finish for strength and corrosion resistance.
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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.













