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

The PROTO Socket: Metric is a 3/8" Drive Hand Socket from PROTO, model J5212M. It features a 12 mm socket size with a 12-point standard configuration and a Chrome finish.

SKU 3G-OTH-319230

Brand
PROTO
Item
Socket: Metric, 3/8 in Drive Size, 12 mm Socket Size, 12-Point, Std, Chrome
Category
3/8" Drive Hand Sockets
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
J5212M
Type
12-Point, Std, Chrome, Socket
Socket Size
12 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 is a 3/8" Drive Hand Socket from PROTO, model J5212M. It features a 12 mm socket size with a 12-point standard configuration and a Chrome finish.

Frequently Asked Questions

What is the PROTO J5212M socket used for?

The PROTO J5212M 12 mm socket is used for tightening or loosening metric fasteners with a 12-point head. It is commonly applied in automotive repair, industrial maintenance, and mechanical assembly where a 3/8-inch drive ratchet or torque wrench is employed.

What are the specifications of the PROTO J5212M socket?

The PROTO J5212M is a 12-point, standard-length, chrome-finished socket with a 3/8-inch drive size and a 12 mm socket size. It is designed for manual use with hand tools and is manufactured by PROTO under part number J5212M.

Where to buy the PROTO J5212M socket worldwide?

You can source the PROTO J5212M socket worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location, ensuring a seamless procurement process for this PROTO hand socket.

How to select the correct PROTO socket size?

To select the correct PROTO socket, match the socket size to the fastener head dimension. For metric fasteners, use a 12 mm socket like the J5212M for a 12 mm bolt head. Ensure the drive size (3/8 inch) matches your ratchet or extension, and choose 12-point for hex fasteners.

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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