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

The PROTO Socket: Metric (MPN J5216M) is a 3/8" Drive Hand Socket with a 16 mm socket size and 12-point configuration. It features a standard length and a Chrome finish, manufactured by PROTO.

SKU 3G-OTH-319377

Brand
PROTO
Item
Socket: Metric, 3/8 in Drive Size, 16 mm Socket Size, 12-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
J5216M
Type
12-Point, Std, Chrome, Socket
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 J5216M) is a 3/8" Drive Hand Socket with a 16 mm socket size and 12-point configuration. It features a standard length and a Chrome finish, manufactured by PROTO.

Frequently Asked Questions

What is the PROTO J5216M socket used for?

The PROTO J5216M is a 3/8 in drive, 16 mm, 12-point chrome socket used for tightening or loosening metric fasteners in automotive, industrial, and maintenance applications. Its 12-point design provides better grip on hex fasteners and allows for more engagement angles.

What are the specifications of the PROTO J5216M socket?

The PROTO J5216M is a 3/8 in drive hand socket with a 16 mm socket size, 12-point configuration, standard length, and a chrome finish. It is manufactured by PROTO under part number J5216M. The chrome finish offers corrosion resistance and durability.

Where to buy the PROTO J5216M socket worldwide?

3G Electric supplies the PROTO J5216M socket to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this PROTO chrome socket.

How to select the correct PROTO socket size?

To select the correct PROTO socket, match the drive size (3/8 in) to your ratchet or wrench, and choose the socket size (16 mm) to fit your fastener. The 12-point design works on hex bolts and allows for finer positioning. Always verify fastener type and torque requirements 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
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PROTO Socket: Metric, 3/8 in Drive Size, 18 mm Socket Size, 12-Point, Std, Chrome, Socket (MPN J5218M)
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PROTO Socket: Metric, 3/8 in Drive Size, 18 mm Socket Size, 12-Point, Std, Chrome, Socket (MPN J5218M)

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