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PROTO Flex Impact Socket: 11/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable - 3/8" Drive SAE Flex Impact Sockets
PROTO3/8" 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 J77278P) is a 3/8" 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-320360

Brand
PROTO
Item
Flex Impact Socket: 11/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable
Category
3/8" Drive SAE Flex Impact Sockets
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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
J77278P
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 J77278P) is a 3/8" 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 J77278P used for?

The PROTO Flex Impact Socket J77278P is used for fastening and loosening SAE fasteners in high-torque impact applications. Its 11/16 in size and 6-point design suit automotive, industrial, and maintenance tasks where a flex head provides access to confined spaces.

What are the specifications of the PROTO Flex Impact Socket J77278P?

The PROTO Flex Impact Socket J77278P has an 11/16 in socket size, 3/8" drive, 6-point standard profile, and a Black Oxide finish. It is Not Tether Capable and designed for SAE fasteners. The black oxide coating offers corrosion resistance and durability in demanding environments.

Where to buy the PROTO Flex Impact Socket J77278P worldwide?

3G Electric supplies the PROTO Flex Impact Socket J77278P to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this PROTO socket.

How to select the correct PROTO flex impact socket size?

To select the correct PROTO flex impact socket, match the socket size (e.g., 11/16 in) to your fastener head size. Ensure the drive size (3/8") fits your impact wrench. For SAE fasteners, choose a 6-point design to reduce rounding. Confirm tether capability requirements for your safety protocol.

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 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: 11 mm Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77411MP)
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PROTO Flex Impact Socket: 11 mm Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77411MP)
PROTO Flex Impact Socket: 12 mm Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77412MP)
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PROTO Flex Impact Socket: 12 mm Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77412MP)
PROTO Flex Impact Socket: 8 mm Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77408MP)
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PROTO Flex Impact Socket: 8 mm Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77408MP)
PROTO Flex Impact Socket: 10 mm Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77410MP)
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PROTO Flex Impact Socket: 10 mm Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77410MP)
PROTO Flex Impact Socket: 11/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74278P)
PROTO
PROTO Flex Impact Socket: 11/16 in Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, SAE (MPN J74278P)
PROTO Flex Impact Socket: 16 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77516MP)
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PROTO Flex Impact Socket: 16 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77516MP)

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