PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 10 mm Head Size
The PROTO J4910MHFL is a metric flare nut crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8-inch drive size, a 10 mm head size, and 6 points. This tool is designed for use with flare nuts…
SKU 3G-OTH-320112
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Product Description
The PROTO J4910MHFL is a metric flare nut crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8-inch drive size, a 10 mm head size, and 6 points. This tool is designed for use with flare nuts in confined spaces.
Frequently Asked Questions
What is the PROTO J4910MHFL crowfoot socket wrench used for?
The PROTO J4910MHFL is a metric flare nut crowfoot wrench designed for tightening or loosening flare nuts in confined spaces. It is commonly used in automotive, hydraulic, and refrigeration applications where a standard socket or wrench cannot fit. The 10 mm head size and 6-point design provide a secure grip on metric fasteners.
What are the specifications of the PROTO J4910MHFL?
The PROTO J4910MHFL is made from alloy steel with a chrome finish. It has a 3/8-inch drive size, a 10 mm head size, and 6 points. The manufacturer part number is J4910MHFL. This metric flare nut crowfoot wrench is built for durability and corrosion resistance in demanding industrial environments.
Where to buy the PROTO J4910MHFL worldwide?
You can source the PROTO J4910MHFL 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. 3G Electric supplies this tool as part of our extensive PROTO product range.
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 10 mm. Ensure the drive size (3/8 inch) fits your ratchet or torque wrench. The 6-point design reduces rounding on soft brass or aluminum nuts. For confined spaces, a crowfoot wrench like the PROTO J4910MHFL offers better access than a standard wrench.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric flare nut crowfoot wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.







