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PROTO Socket: SAE, 1/2 in Drive Size, 3/8 in Socket Size, 12-Point, Deep, Chrome - 1/2" Drive Hand Sockets
PROTO1/2" Drive Hand Sockets

PROTO Socket: SAE, 1/2 in Drive Size, 3/8 in Socket Size, 12-Point, Deep, Chrome

The PROTO Socket: SAE is a 1/2" Drive Hand Socket, model J5312, featuring a 3/8" socket size, 12-point deep design, and a Chrome finish. This PROTO-branded socket is not tether capable.

SKU 3G-OTH-317334

Also listed as: J 5312 · J-5312

Brand
PROTO
Item
Socket: SAE, 1/2 in Drive Size, 3/8 in Socket Size, 12-Point, Deep, Chrome
Category
1/2" Drive Hand Sockets
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
J5312
Type
12-Point, Deep, Chrome, Not Tether Capable
Socket Size
3/8 in
Drive Size
1/2 in

Technical Documents

No technical documents available for this product.
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Socket: SAE is a 1/2" Drive Hand Socket, model J5312, featuring a 3/8" socket size, 12-point deep design, and a Chrome finish. This PROTO-branded socket is not tether capable.

Frequently Asked Questions

What is the PROTO J5312 socket used for?

The PROTO J5312 is a 1/2 in drive, 3/8 in socket size, 12-point deep socket used for turning fasteners in industrial maintenance, assembly, and repair. Its chrome finish resists corrosion, and the deep design reaches recessed nuts and bolts in machinery and equipment.

What are the specifications of the PROTO J5312 socket?

The PROTO J5312 is a 1/2 in drive hand socket with a 3/8 in socket size, 12-point deep profile, and chrome finish. It is not tether capable. The manufacturer part number is J5312. This SAE socket is designed for professional use in industrial settings.

Where to buy the PROTO J5312 socket worldwide?

3G Electric supplies the PROTO J5312 socket worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this PROTO socket for your maintenance or production needs.

How to select the correct PROTO socket for a job?

To select the correct PROTO socket, match the drive size (1/2 in) to your ratchet, and the socket size (3/8 in) to the fastener. Choose 12-point for hex fasteners, deep for recessed bolts, and chrome for corrosion resistance. Confirm tether requirements if needed.

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 1/2" 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, 1/2 in Drive Size, 3/8 in Socket Size, 6-Point, Deep, Chrome, Not Tether Capable (MPN J5312H)
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PROTO Socket: SAE, 1/2 in Drive Size, 3/8 in Socket Size, 6-Point, Deep, Chrome, Not Tether Capable (MPN J5312H)
PROTO Socket: SAE, 1/2 in Drive Size, 7/16 in Socket Size, 12-Point, Deep, Chrome, Socket (MPN J5314)
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PROTO Socket: SAE, 1/2 in Drive Size, 7/16 in Socket Size, 12-Point, Deep, Chrome, Socket (MPN J5314)
PROTO Socket: SAE, 1/2 in Drive Size, 1 in Socket Size, 12-Point, Deep, Chrome, Not Tether Capable (MPN J5332)
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PROTO Socket: SAE, 1/2 in Drive Size, 1 in Socket Size, 12-Point, Deep, Chrome, Not Tether Capable (MPN J5332)
PROTO Socket: SAE, 1/2 in Drive Size, 5/8 in Socket Size, 12-Point, Deep, Chrome, Not Tether Capable (MPN J5320)
PROTO
PROTO Socket: SAE, 1/2 in Drive Size, 5/8 in Socket Size, 12-Point, Deep, Chrome, Not Tether Capable (MPN J5320)
PROTO Socket: SAE, 1/2 in Drive Size, 15/16 in Socket Size, 12-Point, Deep, Chrome, Socket (MPN J5330)
PROTO
PROTO Socket: SAE, 1/2 in Drive Size, 15/16 in Socket Size, 12-Point, Deep, Chrome, Socket (MPN J5330)
PROTO Socket: SAE, 1/2 in Drive Size, 5/8 in Socket Size, 6-Point, Deep, Chrome, Not Tether Capable (MPN J5320H)
PROTO
PROTO Socket: SAE, 1/2 in Drive Size, 5/8 in Socket Size, 6-Point, Deep, Chrome, Not Tether Capable (MPN J5320H)

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PROTO Socket: SAE, 1/2 in Drive Size, 9/16 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5418N)
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PROTO Socket: SAE, 1/2 in Drive Size, 5/8 in Socket Size, 8-Point, Std, Chrome, Not Tether Capable (MPN J5420S)
PROTO Socket: Metric, 1/2 in Drive Size, 36 mm Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5436MH)
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PROTO Socket: SAE, 1/2 in Drive Size, 1 3/16 in Socket Size, 12-Point, Std, Black Oxide, Socket (MPN J5438B)
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PROTO Socket: SAE, 1/2 in Drive Size, 1 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5432H)
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PROTO Socket: SAE, 1/2 in Drive Size, 1 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5432H)
PROTO Socket: SAE, 1/2 in Drive Size, 7/16 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5414N)
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PROTO Socket: SAE, 1/2 in Drive Size, 7/16 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5414N)
PROTO Socket: SAE, 1/2 in Drive Size, 7/8 in Socket Size, 6-Point, Deep, Chrome, Not Tether Capable (MPN J5328H)
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PROTO Socket: SAE, 1/2 in Drive Size, 7/8 in Socket Size, 6-Point, Deep, Chrome, Not Tether Capable (MPN J5328H)