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3G Electric
PROTO J4909MCF Metric Open End Crowfoot Wrench, 9 mm, 3/8 in Drive, Chrome - Metric Open End Crowfoot Wrenches
PROTOMetric Open End Crowfoot Wrenches

PROTO J4909MCF Metric Open End Crowfoot Wrench, 9 mm, 3/8 in Drive, Chrome

The PROTO J4909MCF is a metric open end crowfoot wrench made of alloy steel with a chrome finish. It features a 3/8-inch drive size and a 9 mm head size, designed for use with socket wrenches in confined spaces.

SKU 3G-OTH-315011

Brand
PROTO
Item
J4909MCF Metric Open End Crowfoot Wrench, 9 mm, 3/8 in Drive, Chrome
Part Number
J4909MCF
Category
Metric Open End Crowfoot Wrenches
Available to Order
Also known as:J4909MCFPROTO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

PROTO
Manufacturer Part Number
J4909MCF
Type
Chrome
Head Size
9 mm
Drive Size
3/8 in

Technical Documents

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

Product Description

The PROTO J4909MCF is a metric open end crowfoot wrench made of alloy steel with a chrome finish. It features a 3/8-inch drive size and a 9 mm head size, designed for use with socket wrenches in confined spaces.

Frequently Asked Questions

What is the PROTO J4909MCF crowfoot socket wrench used for?

The PROTO J4909MCF is a metric open end crowfoot wrench used with socket wrenches to access fasteners in confined spaces where a standard socket cannot fit. It is common in automotive, industrial, and mechanical maintenance applications requiring precise torque application on 9 mm fasteners.

What are the specifications of the PROTO J4909MCF crowfoot wrench?

The PROTO J4909MCF is made of alloy steel with a chrome finish. It has a 3/8-inch drive size and a 9 mm head size. The manufacturer part number is J4909MCF. This metric open end crowfoot wrench is designed for use with socket wrenches in tight spaces.

Where to buy the PROTO J4909MCF crowfoot wrench worldwide?

You can source the PROTO J4909MCF 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 metric open end crowfoot wrench.

How to select the correct crowfoot wrench for a 9 mm fastener?

To select the correct crowfoot wrench for a 9 mm fastener, ensure the head size matches the fastener exactly. The PROTO J4909MCF has a 9 mm head and a 3/8-inch drive. Use it with a compatible socket wrench. Always verify the material and finish suit your work environment to prevent corrosion or damage.

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 metric 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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