PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size
The PROTO J4940CF is an SAE open end crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8 in drive size and a 1 1/4 in head size, designed for use with socket wrenches in confined spaces.
SKU 3G-OTH-311954
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Product Description
The PROTO J4940CF is an SAE open end crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8 in drive size and a 1 1/4 in head size, designed for use with socket wrenches in confined spaces.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the PROTO J4940CF crowfoot socket wrench used for?
The PROTO J4940CF is an SAE open end crowfoot wrench designed for use with socket wrenches in confined spaces. It is commonly used in automotive, industrial, and maintenance applications where a standard wrench cannot fit, allowing torque application on fasteners in tight areas.
What are the specifications of the PROTO J4940CF crowfoot wrench?
The PROTO J4940CF has a 3/8 in drive size and a 1 1/4 in head size. It is made from alloy steel with a chrome finish. The manufacturer part number is J4940CF, and it is an SAE open end crowfoot wrench designed for use with socket wrenches.
Where to buy the PROTO J4940CF crowfoot wrench worldwide?
You can source the PROTO J4940CF 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 PROTO tool.
How to select the correct crowfoot wrench size for a fastener?
To select the correct crowfoot wrench, match the head size to the fastener nut or bolt dimension. For the PROTO J4940CF, the 1 1/4 in head size fits a 1 1/4 in fastener. Ensure the drive size (3/8 in) matches your socket wrench or torque wrench for proper engagement.
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Common applications for PROTOPROTO Products
3G Electric supplies PROTO sae open end crowfoot wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















