EXW Singapore — collect or forward from our Singapore office.

3G Electric
PROTO J5378CF SAE Open End Crowfoot Wrench, 2-7/16 in, 1/2 in Drive, Chrome - SAE Open End Crowfoot Wrenches
PROTOSAE Open End Crowfoot Wrenches

PROTO J5378CF SAE Open End Crowfoot Wrench, 2-7/16 in, 1/2 in Drive, Chrome

The PROTO J5378CF is an SAE open end crowfoot wrench made of alloy steel with a chrome finish. It features a 1/2 in drive size and a 2 7/16 in head size. This tool is designed for use with a socket drive to access…

SKU 3G-OTH-311970

Brand
PROTO
Item
J5378CF SAE Open End Crowfoot Wrench, 2-7/16 in, 1/2 in Drive, Chrome
Part Number
J5378CF
Category
SAE Open End Crowfoot Wrenches
Available to Order
Also known as:J5378CFPROTO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J5378CF
Type
Chrome
Head Size
2 7/16 in
Drive Size
1/2 in

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 J5378CF is an SAE open end crowfoot wrench made of alloy steel with a chrome finish. It features a 1/2 in drive size and a 2 7/16 in head size. This tool is designed for use with a socket drive to access fasteners in tight spaces.

Frequently Asked Questions

What is the PROTO J5378CF crowfoot socket wrench used for?

The PROTO J5378CF is an SAE open end crowfoot wrench designed to access fasteners in tight spaces where a standard socket or wrench cannot fit. It attaches to a 1/2 in drive socket drive, making it ideal for automotive, industrial, and maintenance applications requiring precise torque in confined areas.

What are the specifications of the PROTO J5378CF crowfoot socket wrench?

The PROTO J5378CF is made of alloy steel with a chrome finish. It has a 1/2 in drive size and a 2 7/16 in head size. This SAE open end crowfoot wrench is designed for use with a socket drive to reach fasteners in tight spaces. The manufacturer part number is J5378CF.

Where to buy the PROTO J5378CF crowfoot socket wrench worldwide?

You can source the PROTO J5378CF crowfoot socket 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 PROTO tools to procurement teams and engineers globally.

How to select the correct crowfoot socket wrench for tight spaces?

To select the correct crowfoot socket wrench, match the drive size (e.g., 1/2 in) to your ratchet or torque wrench, and choose the head size (e.g., 2 7/16 in) to fit the fastener. For tight spaces, an open end design like the PROTO J5378CF allows side access. Ensure the material (alloy steel with chrome finish) suits your environment.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
Not sure this is the right part? Photo-identify it→

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 →

More from PROTO

View all PROTO parts →
This SAE open end crowfoot wrench features a 2 7/16 in head size and 3/8 in drive size. Constructed of alloy steel with a chrome finish, it is used to access fasteners in confined spaces where standard sockets or wrenches cannot reach
PROTO
This SAE open end crowfoot wrench features a 2 7/16 in head size and 3/8 in drive size. Constructed of alloy steel with a chrome finish, it is used to access fasteners in confined spaces where standard sockets or wrenches cannot reach
This SAE open end crowfoot wrench features a 1 1/16 in head size and 3/8 in drive, with a chrome finish. It is used to access fasteners in confined spaces where standard sockets or wrenches cannot fit, attaching to a ratchet or torque wrench for precise torque application
PROTO
This SAE open end crowfoot wrench features a 1 1/16 in head size and 3/8 in drive, with a chrome finish. It is used to access fasteners in confined spaces where standard sockets or wrenches cannot fit, attaching to a ratchet or torque wrench for precise torque application
SAE open end crowfoot wrench with 1 13/16 in head size and 1/2 in drive. Chrome finish. Attaches to a ratchet or torque wrench for accessing fasteners in confined spaces
PROTO
SAE open end crowfoot wrench with 1 13/16 in head size and 1/2 in drive. Chrome finish. Attaches to a ratchet or torque wrench for accessing fasteners in confined spaces
This SAE open end crowfoot wrench has a 1 1/4 in head size and a 1/2 in drive size. It is made of alloy steel with a chrome finish. Designed for use with a socket drive, it allows access to fasteners in confined spaces where standard tools cannot reach
PROTO
This SAE open end crowfoot wrench has a 1 1/4 in head size and a 1/2 in drive size. It is made of alloy steel with a chrome finish. Designed for use with a socket drive, it allows access to fasteners in confined spaces where standard tools cannot reach

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first