Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
PROTO J5566 3/4" Drive 12-Point Socket, 2-1/16" SAE, Satin Finish - 3/4" Drive Hand Sockets
PROTO3/4" Drive Hand Sockets

PROTO J5566 3/4" Drive 12-Point Socket, 2-1/16" SAE, Satin Finish

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
J5566 3/4" Drive 12-Point Socket, 2-1/16" SAE, Satin Finish
Part Number
J5566
Category
3/4" Drive Hand Sockets
Available to Order
Also known as:J5566PROTO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
J5566
Type
12-Point, Std, Satin, Socket
Socket Size
2 1/16 in
Drive Size
3/4 in

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 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
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.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from PROTO

View all PROTO parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first