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PROTO Socket: SAE, 3/4 in Drive Size, 2 1/16 in Socket Size, 12-Point, Std, Satin - 3/4" Drive Hand Sockets
PROTO3/4" Drive Hand Sockets

PROTO Socket: SAE, 3/4 in Drive Size, 2 1/16 in Socket Size, 12-Point, Std, Satin

The PROTO Socket: SAE is a 3/4" Drive Hand Socket, model J5566, featuring a 2 1/16" socket size with a 12-point standard configuration and a satin finish. This industrial-grade socket is designed for heavy-duty…

SKU 3G-OTH-315116

Also listed as: J 5566 · J-5566

Brand
PROTO
Item
Socket: SAE, 3/4 in Drive Size, 2 1/16 in Socket Size, 12-Point, Std, Satin
Category
3/4" Drive Hand Sockets
Available to Order
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Technical specs
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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
J5566
Type
12-Point, Std, Satin, Socket
Socket Size
2 1/16 in
Drive Size
3/4 in

Technical Documents

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

Product Description

The PROTO Socket: SAE is a 3/4" Drive Hand Socket, model J5566, featuring a 2 1/16" socket size with a 12-point standard configuration and a satin finish. This industrial-grade socket is designed for heavy-duty applications requiring precise fastening.

Frequently Asked Questions

What is the PROTO J5566 socket used for?

The PROTO J5566 socket is used for heavy-duty fastening applications in industrial maintenance, automotive repair, and construction. Its 3/4" drive and 2 1/16" SAE size with a 12-point configuration provide high torque for loosening or tightening large bolts and nuts in demanding environments.

What are the specifications of the PROTO J5566 socket?

The PROTO J5566 is a 3/4" drive hand socket with a 2 1/16" SAE socket size, 12-point standard configuration, and a satin finish. It is manufactured by PROTO under part number J5566. This industrial-grade tool is designed for precise fastening in heavy-duty applications.

Where to buy the PROTO J5566 socket worldwide?

You can source the PROTO J5566 socket 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 genuine PROTO tools for industrial applications.

How to select the correct PROTO socket for your application?

To select the correct PROTO socket, match the drive size (e.g., 3/4") to your ratchet or torque wrench, and the socket size (e.g., 2 1/16" SAE) to the fastener. Choose a 12-point configuration for higher torque on hex fasteners. The satin finish on the J5566 offers corrosion resistance for heavy-duty 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 3/4" drive hand sockets. 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
PROTO Socket: SAE, 3/4 in Drive Size, 2 3/16 in Socket Size, 12-Point, Std, Satin, Socket (MPN J5570)
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PROTO Socket: SAE, 3/4 in Drive Size, 2 in Socket Size, 12-Point, Std, Satin, Not Tether Capable (MPN J5564)
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PROTO Socket: SAE, 3/4 in Drive Size, 1 13/16 in Socket Size, 12-Point, Std, Satin, Socket (MPN J5558)
PROTO Socket: SAE, 3/4 in Drive Size, 1 7/16 in Socket Size, 12-Point, Std, Satin, Socket (MPN J5546)
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PROTO Socket: SAE, 3/4 in Drive Size, 1 7/16 in Socket Size, 12-Point, Std, Satin, Socket (MPN J5546)
PROTO Socket: SAE, 3/4 in Drive Size, 2 3/8 in Socket Size, 12-Point, Std, Satin, Not Tether Capable (MPN J5576)
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PROTO Socket: SAE, 3/4 in Drive Size, 2 3/8 in Socket Size, 12-Point, Std, Satin, Not Tether Capable (MPN J5576)

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