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PROTO Flex Socket: 1/4 in Drive Size, 5/16 in Socket Size, 6-Point, Std, Chrome - 1/4" Drive SAE Flex Sockets
PROTO1/4" Drive SAE Flex Sockets

PROTO Flex Socket: 1/4 in Drive Size, 5/16 in Socket Size, 6-Point, Std, Chrome

The PROTO Flex Socket (MPN J4772A) is a 1/4" Drive SAE Flex Socket with a 5/16" socket size and 6-point standard configuration. It features a chrome finish and is not tether capable.

SKU 3G-OTH-307927

Brand
PROTO
Item
Flex Socket: 1/4 in Drive Size, 5/16 in Socket Size, 6-Point, Std, Chrome
Category
1/4" Drive SAE Flex Sockets
Available to Order
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Technical specs
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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
J4772A
Type
6-Point, Std, Chrome, Not Tether Capable
Socket Size
5/16 in

Technical Documents

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

Product Description

The PROTO Flex Socket (MPN J4772A) is a 1/4" Drive SAE Flex Socket with a 5/16" socket size and 6-point standard configuration. It features a chrome finish and is not tether capable.

Frequently Asked Questions

What is the PROTO Flex Socket J4772A used for?

The PROTO Flex Socket J4772A is used for tightening or loosening fasteners in tight or angled spaces where a standard socket cannot reach. Its flex design allows the socket head to pivot, making it ideal for automotive repair, industrial maintenance, and assembly applications requiring a 1/4" drive SAE tool.

What are the specifications of the PROTO Flex Socket J4772A?

The PROTO Flex Socket J4772A has a 1/4" drive size, 5/16" socket size, and a 6-point standard configuration. It features a chrome finish and is not tether capable. The socket is designed for SAE fasteners and is manufactured by PROTO under MPN J4772A.

Where to buy the PROTO Flex Socket J4772A worldwide?

You can source the PROTO Flex Socket J4772A 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; we provide reliable sourcing for PROTO tools.

How to select the correct PROTO Flex Socket size?

To select the correct PROTO Flex Socket, match the drive size (1/4") to your ratchet or driver, and choose the socket size (5/16") that fits your fastener head. Ensure the socket is 6-point for standard hex fasteners. The chrome finish offers corrosion resistance, and the flex head provides access in confined spaces.

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 1/4" 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: 1/4 in Drive Size, 1/4 in Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J4771A)
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PROTO Flex Socket: 1/4 in Drive Size, 11/32 in Socket Size, 12-Point, Std, Chrome (MPN J4778TA)

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