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PROTO J4912MCF Metric Open End Crowfoot Wrench, 12 mm, 3/8 in Drive, Chrome - Metric Open End Crowfoot Wrenches
PROTOMetric Open End Crowfoot Wrenches

PROTO J4912MCF Metric Open End Crowfoot Wrench, 12 mm, 3/8 in Drive, Chrome

The PROTO J4912MCF is a metric open end crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8-inch drive size and a 12 mm head size, designed for use with a socket wrench. This tool is…

SKU 3G-OTH-315014

Brand
PROTO
Item
J4912MCF Metric Open End Crowfoot Wrench, 12 mm, 3/8 in Drive, Chrome
Category
Metric 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
J4912MCF
Type
Chrome
Head Size
12 mm
Drive Size
3/8 in

Technical Documents

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

Product Description

The PROTO J4912MCF is a metric open end crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8-inch drive size and a 12 mm head size, designed for use with a socket wrench. This tool is suitable for accessing fasteners in tight spaces where a standard socket cannot fit.

Frequently Asked Questions

What is the PROTO J4912MCF crowfoot socket wrench used for?

The PROTO J4912MCF is a metric open end crowfoot wrench used to access fasteners in tight spaces where a standard socket cannot fit. It is designed for use with a socket wrench, making it ideal for automotive, industrial, and maintenance applications requiring precise torque in confined areas.

What are the specifications of the PROTO J4912MCF crowfoot socket wrench?

The PROTO J4912MCF is made from alloy steel with a chrome finish. It has a 3/8-inch drive size and a 12 mm head size. The manufacturer part number is J4912MCF. This metric open end crowfoot wrench is designed for use with a socket wrench to access fasteners in tight spaces.

Where to buy the PROTO J4912MCF crowfoot socket wrench worldwide?

You can source the PROTO J4912MCF 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 on this PROTO tool.

How to select the correct crowfoot socket wrench size?

To select the correct crowfoot socket wrench, match the drive size to your socket wrench (e.g., 3/8-inch) and the head size to the fastener (e.g., 12 mm). The PROTO J4912MCF is a metric open end design for tight spaces. Always verify the fastener type and torque requirements before use.

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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This metric open end crowfoot wrench features a 13 mm head size and 3/8 in drive, constructed from alloy steel with a chrome finish. It is designed for use with a socket wrench to access fasteners in confined spaces where a standard socket cannot fit
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This metric open end crowfoot wrench features a 13 mm head size and 3/8 in drive, constructed from alloy steel with a chrome finish. It is designed for use with a socket wrench to access fasteners in confined spaces where a standard socket cannot fit
This metric open end crowfoot wrench features a 10 mm head size and 3/8 in drive, with a chrome finish. It is used with standard ratchets and torque wrenches to access fasteners in confined spaces where a standard socket cannot fit
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This metric open end crowfoot wrench features a 10 mm head size and 3/8 in drive, with a chrome finish. It is used with standard ratchets and torque wrenches to access fasteners in confined spaces where a standard socket cannot fit
Metric open end crowfoot wrench with 11 mm head size and 3/8 in drive. Chrome finish. Used with ratchets or torque wrenches to access fasteners in confined spaces where standard sockets cannot fit
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Metric open end crowfoot wrench with 11 mm head size and 3/8 in drive. Chrome finish. Used with ratchets or torque wrenches to access fasteners in confined spaces where standard sockets cannot fit
Metric open end crowfoot wrench with 18 mm head size and 3/8 in drive. Chrome finish. Designed for use with ratchets and torque wrenches to access fasteners in confined spaces
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Metric open end crowfoot wrench with 18 mm head size and 3/8 in drive. Chrome finish. Designed for use with ratchets and torque wrenches to access fasteners in confined spaces
This metric open end crowfoot wrench features a 17 mm head size and 3/8 in drive, constructed from alloy steel with a chrome finish. It is designed for use with a socket wrench to access fasteners in confined spaces where a standard socket cannot fit
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This metric open end crowfoot wrench features a 17 mm head size and 3/8 in drive, constructed from alloy steel with a chrome finish. It is designed for use with a socket wrench to access fasteners in confined spaces where a standard socket cannot fit
Alloy steel construction with a chrome finish. 20 mm head size with 3/8 in drive. Used with standard ratchets or torque wrenches to access fasteners in confined spaces where a conventional socket cannot fit
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Alloy steel construction with a chrome finish. 20 mm head size with 3/8 in drive. Used with standard ratchets or torque wrenches to access fasteners in confined spaces where a conventional socket cannot fit

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This metric open end crowfoot wrench has a 15 mm head size and a 3/8-inch drive, designed for use with a socket wrench. It is made from alloy steel with a chrome finish. Used to access fasteners in confined spaces where a standard socket cannot fit
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This metric open end crowfoot wrench has a 15 mm head size and a 3/8-inch drive, designed for use with a socket wrench. It is made from alloy steel with a chrome finish. Used to access fasteners in confined spaces where a standard socket cannot fit
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Metric open end crowfoot wrench with 19 mm head size and 3/8 in square drive. Chrome finish over alloy steel construction. Attaches to standard ratchets and torque wrenches for accessing fasteners in confined spaces
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Metric open end crowfoot wrench with 19 mm head size and 3/8 in square drive. Chrome finish over alloy steel construction. Attaches to standard ratchets and torque wrenches for accessing fasteners in confined spaces
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This metric open end crowfoot wrench is designed for accessing fasteners in confined spaces where a standard socket cannot fit. It attaches to a 1/4-inch drive ratchet or torque wrench. The wrench features a chrome finish and is made from alloy steel
This metric open end crowfoot wrench has a 14 mm head size and a 3/8-inch drive, allowing use with standard ratchets and torque wrenches. The chrome finish provides corrosion resistance. It is suited for accessing fasteners in confined spaces where a conventional socket cannot fit
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This metric open end crowfoot wrench has a 14 mm head size and a 3/8-inch drive, allowing use with standard ratchets and torque wrenches. The chrome finish provides corrosion resistance. It is suited for accessing fasteners in confined spaces where a conventional socket cannot fit
Metric open end crowfoot wrench with 16 mm head size and 3/8 in drive. Chrome finish. Attaches to ratchets or torque wrenches for accessing fasteners in confined spaces
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Metric open end crowfoot wrench with 16 mm head size and 3/8 in drive. Chrome finish. Attaches to ratchets or torque wrenches for accessing fasteners in confined spaces
This metric open end crowfoot wrench is constructed from alloy steel with a chrome finish. It features a 46 mm head size and a 1/2-inch drive, designed for use with standard ratchets and torque wrenches. The crowfoot shape allows access to fasteners in confined spaces where conventional sockets or wrenches cannot fit
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This metric open end crowfoot wrench is constructed from alloy steel with a chrome finish. It features a 46 mm head size and a 1/2-inch drive, designed for use with standard ratchets and torque wrenches. The crowfoot shape allows access to fasteners in confined spaces where conventional sockets or wrenches cannot fit
Metric open end crowfoot wrench with a 22 mm head size and 3/8 in drive, designed for use with a socket wrench. Chrome finish. Used to access fasteners in confined spaces where a standard socket cannot fit, enabling torque application on 22 mm fasteners in mechanical and maintenance tasks
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Metric open end crowfoot wrench with a 22 mm head size and 3/8 in drive, designed for use with a socket wrench. Chrome finish. Used to access fasteners in confined spaces where a standard socket cannot fit, enabling torque application on 22 mm fasteners in mechanical and maintenance tasks