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PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size - SAE Open End Crowfoot Wrenches
PROTOSAE Open End Crowfoot Wrenches

PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size

The PROTO J4990CF 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 2 13/16 in head size, designed for use with a socket drive tool.

SKU 3G-OTH-311985

Brand
PROTO
Item
Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size
Category
SAE Open End Crowfoot Wrenches
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
J4990CF
Type
Chrome
Head Size
2 13/16 in
Drive Size
3/8 in

Technical Documents

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO J4990CF 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 2 13/16 in head size, designed for use with a socket drive tool.

Frequently Asked Questions

What is the PROTO J4990CF crowfoot socket wrench used for?

The PROTO J4990CF is an SAE open end crowfoot wrench used to access fasteners in tight spaces where a standard socket or wrench cannot fit. It attaches to a 3/8 in drive ratchet or torque wrench, making it ideal for automotive, industrial, and maintenance applications requiring precise torque in confined areas.

What are the specifications of the PROTO J4990CF crowfoot wrench?

The PROTO J4990CF has a 3/8 in drive size and a 2 13/16 in head size. It is made from alloy steel with a chrome finish for corrosion resistance. This SAE open end crowfoot wrench is designed for use with a socket drive tool and carries the manufacturer part number J4990CF.

Where to buy the PROTO J4990CF crowfoot wrench worldwide?

You can source the PROTO J4990CF 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; we supply genuine PROTO tools to industrial buyers internationally.

How to select the correct crowfoot wrench for a job?

To select the correct crowfoot wrench, match the drive size to your ratchet or torque wrench—the PROTO J4990CF uses a 3/8 in drive. Ensure the head size fits the fastener, here 2 13/16 in. Choose alloy steel with a chrome finish for durability and corrosion resistance. Always verify SAE or metric sizing for your application.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO 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.

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This SAE open end crowfoot wrench from PROTO features a 15/16 in head size and a 3/8 in drive size. It is constructed from alloy steel with a chrome finish. Designed for use with standard sockets, it allows access to fasteners in confined spaces where a standard wrench or socket cannot fit
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