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PROTO J4978CF SAE Open End Crowfoot Wrench, 2 7/16 in Head, 3/8 in Drive, Chrome - SAE Open End Crowfoot Wrenches
PROTOSAE Open End Crowfoot Wrenches

PROTO J4978CF SAE Open End Crowfoot Wrench, 2 7/16 in Head, 3/8 in Drive, Chrome

<p>The PROTO J4978CF is a precision-engineered SAE open end crowfoot wrench designed for professional use in confined spaces where a standard wrench cannot fit. This chrome-finished tool features a 2-7/16 inch head…

SKU 3G-OTH-311991

Brand
PROTO
Item
J4978CF SAE Open End Crowfoot Wrench, 2 7/16 in Head, 3/8 in Drive, Chrome
Part Number
J4978CF
Category
SAE Open End Crowfoot Wrenches
Available to Order
Also known as:J4978CFPROTO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J4978CF
Type
Chrome
Head Size
2 7/16 in
Drive Size
3/8 in

Technical Documents

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

Product Description

<p>The PROTO J4978CF is a precision-engineered SAE open end crowfoot wrench designed for professional use in confined spaces where a standard wrench cannot fit. This chrome-finished tool features a 2-7/16 inch head size and a 3/8 inch drive, making it ideal for torque applications with adapters and extensions. It is commonly used by automotive technicians, industrial maintenance crews, and aerospace professionals who require reliable access to fasteners in tight engine bays or machinery.</p><p>As a Singapore-based supplier, 3G Electric offers this PROTO wrench with worldwide shipping. For procurement buyers in Singapore, we provide SGD quotes on request and handle GST for local orders, ensuring a seamless purchasing process. Enjoy fast delivery across Singapore and Southeast Asia, so your operations stay on schedule.</p>

Frequently Asked Questions

What are the head and drive sizes of the PROTO J4978CF?

The PROTO J4978CF has a 2-7/16 inch head size and a 3/8 inch drive size, making it suitable for use with 3/8 inch drive ratchets and extensions.

Can I get a quote in SGD and what about GST for Singapore orders?

Yes, 3G Electric provides SGD quotes on request for all products. For orders within Singapore, GST is handled for you, and we offer fast delivery across Singapore and Southeast Asia.

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.
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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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