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3G Electric
PROTO J5276A 3/8" Drive SAE Flex Socket, 9/16", 12-Point, Chrome - 3/8" Drive SAE Flex Sockets
PROTO3/8" Drive SAE Flex Sockets

PROTO J5276A 3/8" Drive SAE Flex Socket, 9/16", 12-Point, Chrome

The PROTO Flex Socket (MPN J5276A) is a 3/8" Drive SAE Flex Socket with a 9/16" 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-307978

Brand
PROTO
Item
J5276A 3/8" Drive SAE Flex Socket, 9/16", 12-Point, Chrome
Part Number
J5276A
Category
3/8" Drive SAE Flex Sockets
Available to Order
Also known as:J5276APROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J5276A
Type
12-Point, Std, Chrome, Not Tether Capable
Socket Size
9/16 in

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

Product Description

The PROTO Flex Socket (MPN J5276A) is a 3/8" Drive SAE Flex Socket with a 9/16" 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 J5276A used for?

The PROTO Flex Socket J5276A is used for turning fasteners in tight or awkward spaces where a rigid socket cannot align with the fastener. Its 3/8" drive and 9/16" 12-point standard configuration suit industrial maintenance, assembly, and repair tasks across machining, material handling, and other plant departments.

What are the specifications of the PROTO Flex Socket J5276A?

The PROTO Flex Socket J5276A has a 3/8" drive size, 9/16" socket size, 12-point standard configuration, and a chrome finish. It is not tether capable. The manufacturer part number is J5276A. This PROTO-branded socket is designed for industrial applications requiring a flexible drive tool.

Where to buy the PROTO Flex Socket J5276A worldwide?

3G Electric supplies the PROTO Flex Socket J5276A to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this PROTO socket for your industrial maintenance or assembly needs.

How to select the right PROTO Flex Socket for a job?

To select the right PROTO Flex Socket, match the drive size (e.g., 3/8") to your ratchet or wrench, and the socket size (e.g., 9/16") to the fastener. Choose 12-point for hex fasteners and 6-point for higher torque. For confined spaces, a flex socket like the J5276A provides the needed angle without sacrificing grip.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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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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