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PROTO Socket Set: SAE, 7 Pieces, (7) 6-Point, 3/8 in Drive Size - SAE Flex Socket Sets
PROTOSAE Flex Socket Sets

PROTO Socket Set: SAE, 7 Pieces, (7) 6-Point, 3/8 in Drive Size

The PROTO J52100 SAE Flex Socket Set is a 7-piece set of 6-point sockets with a 3/8 in drive size, covering a socket size range of 3/8 in to 3/4 in. The set is organized on a rail for storage.

SKU 3G-OTH-320330

Also listed as: J 52100 · J-52100

Brand
PROTO
Item
Socket Set: SAE, 7 Pieces,
Category
SAE Flex Socket Sets
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
J52100
Type
(7) 6-Point
Pieces
7
Drive Size
3/8 in
Socket Size Range
3/8 in to 3/4 in

Technical Documents

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

Product Description

The PROTO J52100 SAE Flex Socket Set is a 7-piece set of 6-point sockets with a 3/8 in drive size, covering a socket size range of 3/8 in to 3/4 in. The set is organized on a rail for storage.

Frequently Asked Questions

What is the PROTO J52100 socket set used for?

The PROTO J52100 SAE Flex Socket Set is used for tightening and loosening fasteners in automotive, industrial, and maintenance applications. Its 6-point design reduces fastener rounding, and the flex feature allows access to fasteners in tight or angled spaces. The set covers 3/8 in to 3/4 in socket sizes.

What are the specifications of the PROTO J52100 socket set?

The PROTO J52100 is a 7-piece SAE flex socket set with a 3/8 in drive size. It includes (7) 6-point sockets ranging from 3/8 in to 3/4 in. The set is organized on a rail for storage. The manufacturer part number is J52100. PROTO is the brand.

Where to buy the PROTO J52100 socket set worldwide?

You can source the PROTO J52100 SAE Flex 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 genuine PROTO tools.

How to maintain the PROTO J52100 socket set?

To maintain the PROTO J52100 socket set, clean sockets after use with a lint-free cloth to remove grease and debris. Store the set on the provided rail in a dry toolbox to prevent rust. Avoid using sockets on damaged fasteners to extend tool life. Regularly inspect for wear.

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 flex 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
PROTO Socket Set: 3/8 in Drive, 10 Piece, 12-Point, SAE, 5/16 in to 7/8 in (MPN J52118)
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PROTO Socket Set: 3/8 in Drive, 10 Piece, 12-Point, SAE, 5/16 in to 7/8 in (MPN J52118)
PROTO Socket Set: 3/8 in Drive, 7 Piece, 12-Point, Metric, 9 mm to 15 mm (MPN J52200)
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PROTO Socket Set: 3/8 in Drive, 7 Piece, 12-Point, Metric, 9 mm to 15 mm (MPN J52200)
PROTO Socket Set: 1/4 in Drive, 10 Piece, 6-Point, SAE, 3/16 in to 9/16 in (MPN J47102)
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PROTO Socket Set: 1/4 in Drive, 10 Piece, 6-Point, SAE, 3/16 in to 9/16 in (MPN J47102)
PROTO Socket Set: 3/8 in Drive, 12 Piece, 6-Point, Metric, 8 mm to 19 mm (MPN J52212)
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PROTO Socket Set: 3/8 in Drive, 12 Piece, 6-Point, Metric, 8 mm to 19 mm (MPN J52212)
PROTO Socket Set: 3/8 in Drive, 13 Piece, 6-Point, SAE, 1/4 in to 1 in (MPN J52114)
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PROTO Socket Set: 3/8 in Drive, 13 Piece, 6-Point, SAE, 1/4 in to 1 in (MPN J52114)
PROTO Socket Set: 3/8 in Drive, 12 Piece, 12-Point, Metric, 8 mm to 19 mm (MPN J52216)
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PROTO Socket Set: 3/8 in Drive, 12 Piece, 12-Point, Metric, 8 mm to 19 mm (MPN J52216)

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PROTO Socket Set: SAE, 7 Pieces, (7) 12-Point, 3/8 in Drive Size, 3/8 in to 3/4 in Socket Size Range (MPN J52102)
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PROTO Socket Set: SAE, 7 Pieces, (7) 12-Point, 3/8 in Drive Size, 3/8 in to 3/4 in Socket Size Range (MPN J52102)