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PROTO Flex Socket: 1/4 in Drive Size, 9/32 in Socket Size, 12-Point, Std, Chrome - 1/4" Drive SAE Flex Sockets
PROTO1/4" Drive SAE Flex Sockets

PROTO Flex Socket: 1/4 in Drive Size, 9/32 in Socket Size, 12-Point, Std, Chrome

The PROTO Flex Socket (SKU 3G-OTH-307930, MPN J4777TA) is a 1/4" Drive SAE Flex Socket with a 9/32" socket size and 12-point configuration. It features a chrome finish and is not tether capable. This standard-length…

SKU 3G-OTH-307930

Brand
PROTO
Item
Flex Socket: 1/4 in Drive Size, 9/32 in Socket Size, 12-Point, Std, Chrome
Category
1/4" Drive SAE Flex Sockets
Available to Order
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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
J4777TA
Type
12-Point, Std, Chrome, Not Tether Capable
Socket Size
9/32 in

Technical Documents

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

Product Description

The PROTO Flex Socket (SKU 3G-OTH-307930, MPN J4777TA) is a 1/4" Drive SAE Flex Socket with a 9/32" socket size and 12-point configuration. It features a chrome finish and is not tether capable. This standard-length socket is designed for industrial applications requiring a flexible drive tool.

Frequently Asked Questions

What is the PROTO Flex Socket used for?

The PROTO Flex Socket (MPN J4777TA) is used for turning fasteners in tight or awkward spaces where a rigid socket cannot align with the fastener. Its 1/4" drive and 9/32" socket size make it suitable for precision assembly and maintenance tasks in industrial, automotive, and aerospace applications.

What are the specifications of the PROTO Flex Socket J4777TA?

The PROTO Flex Socket J4777TA has a 1/4" drive size, 9/32" socket size, 12-point configuration, standard length, and a chrome finish. It is not tether capable. The socket is made by PROTO and is designed for use with 1/4" drive ratchets and accessories in industrial settings.

Where to buy PROTO Flex Socket J4777TA worldwide?

You can source the PROTO Flex Socket J4777TA 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 supply PROTO tools to industrial buyers internationally.

How to select the right PROTO Flex Socket for your application?

To select the right PROTO Flex Socket, match the drive size (1/4") to your ratchet, the socket size (9/32") to your fastener, and choose the point configuration (12-point for hex fasteners). Consider whether a standard or deep length is needed, and if tether capability is required for safety in elevated work.

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

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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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