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PROTO Socket Set: 3/8 in Drive, 21 Piece, 6-Point, Metric - SAE & Metric Socket Sets
PROTOSAE & Metric Socket Sets

PROTO Socket Set: 3/8 in Drive, 21 Piece, 6-Point, Metric

The PROTO Socket Set (MPN J52211) is a 21-piece, 6-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-303399

Brand
PROTO
Item
Socket Set: 3/8 in Drive, 21 Piece, 6-Point, Metric
Category
SAE & Metric Socket Sets
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Technical Specifications

PROTO
Manufacturer Part Number
J52211
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Socket Set (MPN J52211) is a 21-piece, 6-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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the PROTO J52211 socket set used for?

The PROTO J52211 socket set is used for tightening and loosening metric fasteners in automotive repair, industrial maintenance, and general mechanical work. Its 21-piece, 6-point design provides a secure grip on hex nuts and bolts from 6 mm to 26 mm, reducing rounding.

What are the specifications of the PROTO J52211 socket set?

The PROTO J52211 is a 21-piece, 6-point metric socket set with a 3/8 in drive. It includes standard sockets ranging from 6 mm to 26 mm. It is not tether capable and does not include socket bits. The set is manufactured by PROTO under MPN J52211.

Where to buy the PROTO J52211 socket set worldwide?

You can source the PROTO J52211 socket set 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 PROTO tools to procurement teams 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) to your ratchet and confirm the socket range covers your fastener sizes. The J52211 covers 6 mm to 26 mm metric. For tethering requirements, note this set is not tether capable. Always verify point configuration—6-point is standard for hex bolts.

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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