Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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 J4912CF 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 3/8 in head size, designed for use with a socket driver.

SKU 3G-OTH-311943

Brand
PROTO
Item
Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size
Category
SAE Open End Crowfoot Wrenches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

PROTO
Manufacturer Part Number
J4912CF
Type
Chrome
Head Size
3/8 in
Drive Size
3/8 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The PROTO J4912CF 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 3/8 in head size, designed for use with a socket driver.

Frequently Asked Questions

What is the PROTO J4912CF crowfoot socket wrench used for?

The PROTO J4912CF is an SAE open end crowfoot wrench used to access fasteners in tight spaces where a standard socket or wrench cannot fit. It is driven by a 3/8 in drive socket driver, making it ideal for automotive, industrial, and maintenance applications.

What are the specifications of the PROTO J4912CF crowfoot wrench?

The PROTO J4912CF has a 3/8 in drive size and a 3/8 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 driver and carries the PROTO brand.

Where to buy the PROTO J4912CF crowfoot wrench worldwide?

3G Electric supplies the PROTO J4912CF crowfoot socket wrench worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this alloy steel, chrome-finished wrench for your maintenance needs.

How to select the correct crowfoot wrench size?

To select the correct crowfoot wrench, match the head size to your fastener size and the drive size to your socket driver. For the PROTO J4912CF, both drive and head are 3/8 in. Always verify the fastener type (SAE or metric) and ensure the wrench material suits your environment, such as chrome for corrosion resistance.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 7/16 in Head Size (MPN J4914CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 7/16 in Head Size (MPN J4914CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 1/2 in Head Size (MPN J4916CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 1/2 in Head Size (MPN J4916CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 5/8 in Head Size (MPN J4920CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 5/8 in Head Size (MPN J4920CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 3/4 in Head Size (MPN J4924CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 3/4 in Head Size (MPN J4924CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 15/16 in Head Size (MPN J4930CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 15/16 in Head Size (MPN J4930CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/4 in Drive Size, 9/16 in Head Size (MPN J4718CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/4 in Drive Size, 9/16 in Head Size (MPN J4718CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.

More from PROTO

View all PROTO parts
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 9/16 in Head Size (MPN J4918CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 9/16 in Head Size (MPN J4918CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/2 in Drive Size, 1 5/16 in Head Size (MPN J5342CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/2 in Drive Size, 1 5/16 in Head Size (MPN J5342CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 2 7/16 in Head Size (MPN J4978CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 2 7/16 in Head Size (MPN J4978CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/2 in Drive Size, 1 5/8 in Head Size (MPN J5352CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/2 in Drive Size, 1 5/8 in Head Size (MPN J5352CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/2 in Drive Size, 2 1/8 in Head Size (MPN J5368CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/2 in Drive Size, 2 1/8 in Head Size (MPN J5368CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/2 in Drive Size, 2 in Head Size (MPN J5364CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/2 in Drive Size, 2 in Head Size (MPN J5364CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 1 7/16 in Head Size (MPN J4946CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 1 7/16 in Head Size (MPN J4946CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 7/8 in Head Size (MPN J4928CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 7/8 in Head Size (MPN J4928CF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.