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PROTO Socket: SAE, 3/8 in Drive Size, 7/8 in Socket Size, 12-Point, Deep, Black Oxide - 3/8" Drive Hand Sockets
PROTO3/8" Drive Hand Sockets

PROTO Socket: SAE, 3/8 in Drive Size, 7/8 in Socket Size, 12-Point, Deep, Black Oxide

The PROTO Socket: SAE is a 3/8" Drive Hand Socket, model J5028B, featuring a 7/8" socket size, 12-point deep configuration, and a Black Oxide finish.

SKU 3G-OTH-319064

Brand
PROTO
Item
Socket: SAE, 3/8 in Drive Size, 7/8 in Socket Size, 12-Point, Deep, Black Oxide
Category
3/8" Drive Hand Sockets
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J5028B
Type
12-Point, Deep, Black Oxide, Socket
Socket Size
7/8 in
Drive Size
3/8 in

Technical Documents

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

Product Description

The PROTO Socket: SAE is a 3/8" Drive Hand Socket, model J5028B, featuring a 7/8" socket size, 12-point deep configuration, and a Black Oxide finish.

Frequently Asked Questions

What is the PROTO J5028B socket used for?

The PROTO J5028B is a 3/8 in drive, 7/8 in, 12-point deep socket used for turning fasteners in automotive, industrial, and mechanical applications. Its black oxide finish provides corrosion resistance. 3G Electric supplies this socket for worldwide delivery.

What are the specifications of the PROTO J5028B socket?

The PROTO J5028B is a 3/8 in drive hand socket with a 7/8 in socket size, 12-point deep configuration, and black oxide finish. It is part number J5028B from PROTO. 3G Electric sources and delivers this socket globally.

Where to buy the PROTO J5028B socket worldwide?

You can order the PROTO J5028B socket from 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.

How to select the correct PROTO socket for a job?

Select a PROTO socket by matching drive size (3/8 in), socket size (7/8 in), and point configuration (12-point) to your fastener. Deep sockets reach recessed nuts. The black oxide finish resists rust. 3G Electric provides sourcing and delivery worldwide.

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 3/8" 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, 3/8 in Drive Size, 11/16 in Socket Size, 12-Point, Deep, Black Oxide, Socket (MPN J5022B)
PROTO
PROTO Socket: SAE, 3/8 in Drive Size, 11/16 in Socket Size, 12-Point, Deep, Black Oxide, Socket (MPN J5022B)
PROTO Socket: SAE, 3/8 in Drive Size, 3/8 in Socket Size, 12-Point, Deep, Black Oxide, Socket (MPN J5012B)
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PROTO Socket: SAE, 3/8 in Drive Size, 3/8 in Socket Size, 12-Point, Deep, Black Oxide, Socket (MPN J5012B)
PROTO Socket: SAE, 3/8 in Drive Size, 5/8 in Socket Size, 12-Point, Deep, Black Oxide, Socket (MPN J5020B)
PROTO
PROTO Socket: SAE, 3/8 in Drive Size, 5/8 in Socket Size, 12-Point, Deep, Black Oxide, Socket (MPN J5020B)
PROTO Socket: SAE, 3/8 in Drive Size, 5/8 in Socket Size, 12-Point, Std, Black Oxide, Socket (MPN J5220B)
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PROTO Socket: SAE, 3/8 in Drive Size, 5/8 in Socket Size, 12-Point, Std, Black Oxide, Socket (MPN J5220B)
PROTO Socket: SAE, 3/8 in Drive Size, 13/16 in Socket Size, 12-Point, Std, Black Oxide, Socket (MPN J5226B)
PROTO
PROTO Socket: SAE, 3/8 in Drive Size, 13/16 in Socket Size, 12-Point, Std, Black Oxide, Socket (MPN J5226B)
PROTO Socket: SAE, 3/8 in Drive Size, 1/2 in Socket Size, 12-Point, Std, Black Oxide, Socket (MPN J5216B)
PROTO
PROTO Socket: SAE, 3/8 in Drive Size, 1/2 in Socket Size, 12-Point, Std, Black Oxide, Socket (MPN J5216B)

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