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

PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size - Metric Open End Crowfoot Wrenches
PROTOMetric Open End Crowfoot Wrenches

PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size

The PROTO J4911MCF is a metric open end crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8-inch drive size and an 11 mm head size, designed for use with standard ratchets and torque wrenches.

SKU 3G-OTH-315008

Brand
PROTO
Item
Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size
Category
Metric 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
Type
Chrome
Head Size
11 mm
Drive Size
3/8 in
attr309661
Alloy Steel
attr309662
Chrome
attr324934
PROTO
Manufacturer Part Number
J4911MCF
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 J4911MCF is a metric open end crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8-inch drive size and an 11 mm head size, designed for use with standard ratchets and torque wrenches.

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.

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, 10 mm Head Size (MPN J4910MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 10 mm Head Size (MPN J4910MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 12 mm Head Size (MPN J4912MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 12 mm Head Size (MPN J4912MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 13 mm Head Size (MPN J4913MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 13 mm Head Size (MPN J4913MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 17 mm Head Size (MPN J4917MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 17 mm Head Size (MPN J4917MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 16 mm Head Size (MPN J4916MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 16 mm Head Size (MPN J4916MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 18 mm Head Size (MPN J4918MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 18 mm Head Size (MPN J4918MCF). 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, 23 mm Head Size (MPN J4923MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 23 mm Head Size (MPN J4923MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/2 in Drive Size, 27 mm Head Size (MPN J5327MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/2 in Drive Size, 27 mm Head Size (MPN J5327MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/4 in Drive Size, 13 mm Head Size (MPN J4713MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/4 in Drive Size, 13 mm Head Size (MPN J4713MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 15 mm Head Size (MPN J4915MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 15 mm Head Size (MPN J4915MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/4 in Drive Size, 10 mm Head Size (MPN J4710MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/4 in Drive Size, 10 mm Head Size (MPN J4710MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 19 mm Head Size (MPN J4919MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 19 mm Head Size (MPN J4919MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/4 in Drive Size, 12 mm Head Size (MPN J4712MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 1/4 in Drive Size, 12 mm Head Size (MPN J4712MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 14 mm Head Size (MPN J4914MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.
PROTO
PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size, 14 mm Head Size (MPN J4914MCF). Key specifications — attr309661: Alloy Steel; attr309662: Chrome; attr324934: PROTO.