PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size
The PROTO J4909MCF is a metric open end crowfoot wrench made of alloy steel with a chrome finish. It features a 3/8-inch drive size and a 9 mm head size, designed for use with socket wrenches in confined spaces.
SKU 3G-OTH-315011
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Product Description
The PROTO J4909MCF is a metric open end crowfoot wrench made of alloy steel with a chrome finish. It features a 3/8-inch drive size and a 9 mm head size, designed for use with socket wrenches in confined spaces.
Frequently Asked Questions
What is the PROTO J4909MCF crowfoot socket wrench used for?
The PROTO J4909MCF is a metric open end crowfoot wrench used with socket wrenches to access fasteners in confined spaces where a standard socket cannot fit. It is common in automotive, industrial, and mechanical maintenance applications requiring precise torque application on 9 mm fasteners.
What are the specifications of the PROTO J4909MCF crowfoot wrench?
The PROTO J4909MCF is made of alloy steel with a chrome finish. It has a 3/8-inch drive size and a 9 mm head size. The manufacturer part number is J4909MCF. This metric open end crowfoot wrench is designed for use with socket wrenches in tight spaces.
Where to buy the PROTO J4909MCF crowfoot wrench worldwide?
You can source the PROTO J4909MCF crowfoot 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 on this metric open end crowfoot wrench.
How to select the correct crowfoot wrench for a 9 mm fastener?
To select the correct crowfoot wrench for a 9 mm fastener, ensure the head size matches the fastener exactly. The PROTO J4909MCF has a 9 mm head and a 3/8-inch drive. Use it with a compatible socket wrench. Always verify the material and finish suit your work environment to prevent corrosion or damage.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric open end crowfoot wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















