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PROTO Socket: Metric, 3/8 in Drive Size, 16 mm Socket Size, 6-Point, Std, Chrome - 3/8" Drive Hand Sockets
PROTO3/8" Drive Hand Sockets

PROTO Socket: Metric, 3/8 in Drive Size, 16 mm Socket Size, 6-Point, Std, Chrome

The PROTO Socket: Metric (MPN J5216MH) is a 3/8" Drive Hand Socket with a 16 mm, 6-point standard socket size. It is constructed from chrome and is not tether capable.

SKU 3G-OTH-319260

Brand
PROTO
Item
Socket: Metric, 3/8 in Drive Size, 16 mm Socket Size, 6-Point, Std, Chrome
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
J5216MH
Type
6-Point, Std, Chrome, Not Tether Capable
Socket Size
16 mm
Drive Size
3/8 in

Technical Documents

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

Product Description

The PROTO Socket: Metric (MPN J5216MH) is a 3/8" Drive Hand Socket with a 16 mm, 6-point standard socket size. It is constructed from chrome and is not tether capable.

Frequently Asked Questions

What is the PROTO J5216MH socket used for?

The PROTO J5216MH is a 3/8" drive, 16 mm, 6-point standard socket used for tightening or loosening metric fasteners in automotive repair, industrial maintenance, and mechanical assembly. Its chrome finish resists corrosion, making it suitable for general workshop and professional applications.

What are the specifications of the PROTO J5216MH socket?

The PROTO J5216MH is a 3/8" drive hand socket with a 16 mm, 6-point standard socket size. It is made of chrome, is not tether capable, and has a standard length. The manufacturer part number is J5216MH. It is designed for metric fasteners and is part of PROTO's hand socket line.

Where to buy the PROTO J5216MH socket worldwide?

You can source the PROTO J5216MH 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 to procurement teams and maintenance professionals globally.

How to select the correct PROTO socket for a fastener?

To select the correct PROTO socket, match the drive size (e.g., 3/8") to your ratchet, and the socket size (e.g., 16 mm) to the fastener head. Use a 6-point socket for hex fasteners to reduce rounding. For metric fasteners, choose a metric socket like the J5216MH. Always verify the fastener type before 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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