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PROTO Socket: SAE, 3/8 in Drive Size, 1/2 in Socket Size, 12-Point, Std, Black Oxide - 3/8" Drive Hand Sockets
PROTO3/8" Drive Hand Sockets

PROTO Socket: SAE, 3/8 in Drive Size, 1/2 in Socket Size, 12-Point, Std, Black Oxide

The PROTO Socket: SAE is a 3/8" Drive Hand Socket, model J5216B, featuring a 1/2" socket size with a 12-point standard configuration. It is finished in Black Oxide and manufactured by PROTO.

SKU 3G-OTH-319014

Brand
PROTO
Item
Socket: SAE, 3/8 in Drive Size, 1/2 in Socket Size, 12-Point, Std, 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
J5216B
Type
12-Point, Std, Black Oxide, Socket
Socket Size
1/2 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 J5216B, featuring a 1/2" socket size with a 12-point standard configuration. It is finished in Black Oxide and manufactured by PROTO.

Frequently Asked Questions

What is the PROTO J5216B socket used for?

The PROTO J5216B is a 3/8" drive hand socket used for tightening or loosening 1/2" hex fasteners in automotive, industrial, and mechanical applications. Its 12-point design provides better grip on worn bolts, and the black oxide finish offers corrosion resistance.

What are the specifications of the PROTO J5216B socket?

The PROTO J5216B socket has a 3/8" drive size, a 1/2" socket size, and a 12-point standard configuration. It features a black oxide finish and is manufactured by PROTO under part number J5216B. It is designed for SAE fasteners.

Where to buy the PROTO J5216B socket worldwide?

You can source the PROTO J5216B 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 to your ratchet (e.g., 3/8"), the socket size to the fastener head (e.g., 1/2"), and choose the point configuration (12-point for hex bolts). The black oxide finish suits general shop 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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Cross-referenced by specification & description
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