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PROTO Socket Set: 3/8 in Drive, 21 Piece, 12-Point, Metric - SAE & Metric Socket Sets
PROTOSAE & Metric Socket Sets

PROTO Socket Set: 3/8 in Drive, 21 Piece, 12-Point, Metric

The PROTO Socket Set (MPN J52215) is a 21-piece, 12-point, metric standard socket set with a 3/8 in drive, covering sizes from 6 mm to 26 mm. This set is not tether capable and does not include socket bits.

SKU 3G-OTH-303398

Brand
PROTO
Item
Socket Set: 3/8 in Drive, 21 Piece, 12-Point, Metric
Category
SAE & Metric Socket Sets
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Technical Specifications

PROTO
Manufacturer Part Number
J52215
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Socket Set (MPN J52215) is a 21-piece, 12-point, metric standard socket set with a 3/8 in drive, covering sizes from 6 mm to 26 mm. This set is not tether capable and does not include socket bits.

Frequently Asked Questions

What is the PROTO J52215 socket set used for?

The PROTO J52215 socket set is used for tightening and loosening metric fasteners in automotive repair, industrial maintenance, and mechanical assembly. Its 21-piece, 12-point design provides a secure grip on hex nuts and bolts from 6 mm to 26 mm, making it suitable for general-purpose work in workshops and on production lines.

What are the specifications of the PROTO J52215 socket set?

The PROTO J52215 is a 21-piece, 12-point metric standard socket set with a 3/8 in drive. It covers sizes from 6 mm to 26 mm. The set is not tether capable and does not include socket bits. It is manufactured by PROTO under MPN J52215 and is classified as standard sockets.

Where to buy the PROTO J52215 socket set worldwide?

You can source the PROTO J52215 socket set worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide PROTO tools to procurement teams and engineers internationally.

How to select the right PROTO socket set for metric fasteners?

To select the right PROTO socket set, match the drive size (e.g., 3/8 in) and socket range (e.g., 6 mm to 26 mm) to your fastener sizes. The J52215 offers 12-point sockets for higher torque on hex bolts. For tethering requirements, note this set is not tether capable. Always verify the set includes the sizes you need for your application.

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 sae & metric socket sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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