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PROTO Flex Impact Socket: 11/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable - 1/2" Drive SAE Flex Impact Sockets
PROTO1/2" Drive SAE Flex Impact Sockets

PROTO Flex Impact Socket: 11/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable

The PROTO Flex Impact Socket (MPN J74278P) is a 1/2" Drive SAE flex impact socket with an 11/16 in socket size. It features a 6-point standard design with a Black Oxide finish and is Not Tether Capable.

SKU 3G-OTH-313728

Brand
PROTO
Item
Flex Impact Socket: 11/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable
Category
1/2" Drive SAE Flex Impact Sockets
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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
J74278P
Type
6-Point, Std, Black Oxide, Not Tether Capable, SAE

Technical Documents

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

Product Description

The PROTO Flex Impact Socket (MPN J74278P) is a 1/2" Drive SAE flex impact socket with an 11/16 in socket size. It features a 6-point standard design with a Black Oxide finish and is Not Tether Capable.

Frequently Asked Questions

What is the PROTO Flex Impact Socket J74278P used for?

The PROTO Flex Impact Socket J74278P is used for loosening or tightening fasteners in tight or angled spaces, common in automotive, industrial, and heavy-equipment maintenance. Its 1/2" drive and 11/16 in SAE size suit impact wrenches for high-torque applications. The flex design allows access where straight sockets cannot reach.

What are the specifications of the PROTO Flex Impact Socket J74278P?

The PROTO Flex Impact Socket J74278P has a 1/2" drive, 11/16 in SAE socket size, 6-point standard configuration, and a Black Oxide finish. It is Not Tether Capable. The manufacturer part number is J74278P. This socket is designed for impact tools and resists corrosion.

Where to buy the PROTO Flex Impact Socket J74278P worldwide?

You can source the PROTO Flex Impact Socket J74278P 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. 3G Electric supplies PROTO tools to procurement teams and maintenance professionals internationally.

How to select the correct PROTO Flex Impact Socket for your application?

To select the correct PROTO Flex Impact Socket, match the drive size (e.g., 1/2") to your impact wrench, the socket size (e.g., 11/16 in SAE) to the fastener, and choose a 6-point design for better grip. Consider the finish (Black Oxide resists rust) and whether tether capability is required. PROTO offers various configurations for industrial use.

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 1/2" drive sae flex impact 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 Impact Socket: 13/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74280P)
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PROTO Flex Impact Socket: 13/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74280P)
PROTO Flex Impact Socket: 15/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74282P)
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PROTO Flex Impact Socket: 15/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74282P)
PROTO Flex Impact Socket: 5/8 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74277P)
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PROTO Flex Impact Socket: 5/8 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74277P)
PROTO Flex Impact Socket: 7/8 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74281P)
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PROTO Flex Impact Socket: 7/8 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74281P)
PROTO Flex Impact Socket: 1 1/8 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74285P)
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PROTO Flex Impact Socket: 1 1/8 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74285P)

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