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PROTO Socket: SAE, 3/8 in Drive Size, 5/16 in Socket Size, 12-Point, Std, Chrome - 3/8" Drive Hand Sockets
PROTO3/8" Drive Hand Sockets

PROTO Socket: SAE, 3/8 in Drive Size, 5/16 in Socket Size, 12-Point, Std, Chrome

The PROTO Socket: SAE is a 3/8" Drive Hand Socket from PROTO, featuring a 5/16" socket size with a 12-point standard profile. It is constructed in Chrome and is not tether capable, as specified by manufacturer part…

SKU 3G-OTH-318983

Also listed as: J 5210 · J-5210

Brand
PROTO
Item
Socket: SAE, 3/8 in Drive Size, 5/16 in Socket Size, 12-Point, Std, Chrome
Category
3/8" Drive Hand Sockets
Available to Order
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Technical specs
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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
J5210
Type
12-Point, Std, Chrome, Not Tether Capable
Socket Size
5/16 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 from PROTO, featuring a 5/16" socket size with a 12-point standard profile. It is constructed in Chrome and is not tether capable, as specified by manufacturer part number J5210.

Frequently Asked Questions

What is the PROTO J5210 socket used for?

The PROTO J5210 socket is used for tightening or loosening fasteners with a 5/16 in hex head. It is a 3/8 in drive, 12-point standard socket made of chrome, suitable for general maintenance and repair tasks in automotive and industrial applications.

What are the specifications of the PROTO J5210 socket?

The PROTO J5210 socket has a 3/8 in drive size, a 5/16 in socket size, and a 12-point standard profile. It is made of chrome and is not tether capable. The manufacturer part number is J5210, and it is a PROTO brand hand socket.

Where to buy the PROTO J5210 socket worldwide?

You can source the PROTO J5210 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.

How to select the correct PROTO socket for a job?

To select the correct PROTO socket, match the drive size (e.g., 3/8 in) to your ratchet, and the socket size (e.g., 5/16 in) to the fastener head. Choose between 6-point or 12-point based on fastener type. Chrome sockets like the J5210 are suitable for general 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 3/8" 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, 5/16 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5210H)
PROTO
PROTO Socket: SAE, 3/8 in Drive Size, 5/16 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5210H)
PROTO Socket: SAE, 3/8 in Drive Size, 3/8 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5212H)
PROTO
PROTO Socket: SAE, 3/8 in Drive Size, 3/8 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5212H)
PROTO Socket: SAE, 3/8 in Drive Size, 11/32 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5211H)
PROTO
PROTO Socket: SAE, 3/8 in Drive Size, 11/32 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5211H)
PROTO Socket: SAE, 3/8 in Drive Size, 3/16 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5206H)
PROTO
PROTO Socket: SAE, 3/8 in Drive Size, 3/16 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5206H)
PROTO Socket: SAE, 3/8 in Drive Size, 3/8 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5212)
PROTO
PROTO Socket: SAE, 3/8 in Drive Size, 3/8 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5212)
PROTO Socket: SAE, 3/8 in Drive Size, 7/16 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5214)
PROTO
PROTO Socket: SAE, 3/8 in Drive Size, 7/16 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5214)

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PROTO Socket: SAE, 3/8 in Drive Size, 9/16 in Socket Size, Spline, Deep, Chrome, Not Tether Capable (MPN J5018DPL)
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PROTO Socket: Metric, 3/8 in Drive Size, 19 mm Socket Size, 12-Point, Deep, Chrome, Socket (MPN J5019M)
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PROTO Socket: Metric, 3/8 in Drive Size, 8 mm Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5208MH)
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PROTO Socket: Metric, 3/8 in Drive Size, 8 mm Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5208MH)