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PROTO Flex Socket: 3/8 in Drive Size, 12 mm Socket Size, 12-Point, Std, Chrome - 3/8" Drive Metric Flex Sockets
PROTO3/8" Drive Metric Flex Sockets

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

The PROTO Flex Socket (SKU 3G-OTH-307646, MPN J5275AM) is a 3/8" Drive Metric Flex Socket with a 12 mm, 12-point standard socket size. It is constructed from chrome and is not tether capable.

SKU 3G-OTH-307646

Brand
PROTO
Item
Flex Socket: 3/8 in Drive Size, 12 mm Socket Size, 12-Point, Std, Chrome
Category
3/8" Drive Metric 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
J5275AM
Type
12-Point, Std, Chrome, Not Tether Capable
Socket Size
12 mm

Technical Documents

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

Product Description

The PROTO Flex Socket (SKU 3G-OTH-307646, MPN J5275AM) is a 3/8" Drive Metric Flex Socket with a 12 mm, 12-point standard socket size. It is constructed from chrome and is not tether capable.

Frequently Asked Questions

What is the PROTO Flex Socket J5275AM used for?

The PROTO Flex Socket J5275AM is used for turning fasteners in tight or angled spaces where a standard socket cannot reach. Its 12-point, 12 mm chrome design suits automotive, industrial, and maintenance applications requiring a 3/8" drive flex socket.

What are the specifications of the PROTO Flex Socket J5275AM?

The PROTO Flex Socket J5275AM has a 3/8" drive size, 12 mm socket size, 12-point standard profile, chrome finish, and is not tether capable. It is a metric flex socket designed for professional use, manufactured by PROTO under MPN J5275AM.

Where to buy the PROTO Flex Socket J5275AM worldwide?

You can source the PROTO Flex Socket J5275AM through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine PROTO tools regardless of your location.

How to select the correct PROTO flex socket size?

To select the correct PROTO flex socket, match the drive size (e.g., 3/8") to your ratchet, and the socket size (e.g., 12 mm) to the fastener. The 12-point design fits square or hex fasteners. For tight angles, the flex joint allows articulation while maintaining torque.

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 metric 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
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PROTO Flex Socket: 3/8 in Drive Size, 15 mm Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5278HAM)

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