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PROTO Flex Socket: 3/8 in Drive Size, 1/2 in Socket Size, 12-Point, Std, Chrome - 3/8" Drive SAE Flex Sockets
PROTO3/8" Drive SAE Flex Sockets

PROTO Flex Socket: 3/8 in Drive Size, 1/2 in Socket Size, 12-Point, Std, Chrome

The PROTO Flex Socket (MPN J5275A) is a 3/8" Drive SAE Flex Socket with a 1/2" socket size and 12-point standard configuration. It features a chrome finish and is not tether capable. This PROTO-branded socket is…

SKU 3G-OTH-307966

Brand
PROTO
Item
Flex Socket: 3/8 in Drive Size, 1/2 in Socket Size, 12-Point, Std, Chrome
Category
3/8" Drive SAE Flex 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
J5275A
Type
12-Point, Std, Chrome, Not Tether Capable
Socket Size
1/2 in

Technical Documents

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

Product Description

The PROTO Flex Socket (MPN J5275A) is a 3/8" Drive SAE Flex Socket with a 1/2" socket size and 12-point standard configuration. It features a chrome finish and is not tether capable. This PROTO-branded socket is designed for industrial applications requiring a flexible drive tool.

Frequently Asked Questions

What is the PROTO Flex Socket J5275A used for?

The PROTO Flex Socket J5275A is used for loosening or tightening fasteners in tight or angled spaces where a standard rigid socket cannot reach. It is ideal for automotive repair, industrial maintenance, and assembly applications requiring a 3/8" drive and 1/2" socket size.

What are the specifications of the PROTO Flex Socket J5275A?

The PROTO Flex Socket J5275A has a 3/8" drive size, 1/2" socket size, 12-point standard configuration, and a chrome finish. It is not tether capable. The manufacturer part number is J5275A, and it is designed for industrial use requiring a flexible drive tool.

Where to buy the PROTO Flex Socket J5275A worldwide?

You can source the PROTO Flex Socket J5275A 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 on this PROTO-branded socket.

How to select the right PROTO flex socket for your application?

To select the right PROTO flex socket, match the drive size (e.g., 3/8") to your ratchet or torque wrench, and the socket size (e.g., 1/2") to the fastener. Choose a 12-point configuration for hex fasteners. The chrome finish offers corrosion resistance. Ensure the socket is not tether capable if tethering is not required.

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 sae flex 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
PROTO Flex Socket: 3/8 in Drive Size, 5/8 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5277A)
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PROTO Flex Socket: 3/8 in Drive Size, 5/8 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5277A)
PROTO Flex Socket: 3/8 in Drive Size, 3/4 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5279A)
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PROTO Flex Socket: 3/8 in Drive Size, 7/16 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J5274A)
PROTO Flex Socket: 3/8 in Drive Size, 13/16 in Socket Size, 12-Point, Std, Chrome (MPN J5280A)
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PROTO Flex Socket: 3/8 in Drive Size, 13/16 in Socket Size, 12-Point, Std, Chrome (MPN J5280A)
PROTO Flex Socket: 3/8 in Drive Size, 15/16 in Socket Size, 12-Point, Std, Chrome (MPN J5282A)
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PROTO Flex Socket: 3/8 in Drive Size, 15/16 in Socket Size, 12-Point, Std, Chrome (MPN J5282A)
PROTO Flex Socket: 1/4 in Drive Size, 7/16 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J4774TA)
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PROTO Flex Socket: 1/4 in Drive Size, 7/16 in Socket Size, 12-Point, Std, Chrome, Not Tether Capable (MPN J4774TA)

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