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3G Electric
PROTO 3/8" Drive SAE Flex Socket, 5/8", 6-Point, Chrome, J5277HA - 3/8" Drive SAE Flex Sockets
PROTO3/8" Drive SAE Flex Sockets

PROTO 3/8" Drive SAE Flex Socket, 5/8", 6-Point, Chrome, J5277HA

The PROTO Flex Socket (MPN J5277HA) is a 3/8" Drive SAE Flex Socket with a 5/8" socket size and 6-point standard configuration. It features a chrome finish and is not tether capable.

SKU 3G-OTH-307958

Brand
PROTO
Item
3/8" Drive SAE Flex Socket, 5/8", 6-Point, Chrome, J5277HA
Part Number
J5277HA
Category
3/8" Drive SAE Flex Sockets
Available to Order
Also known as:J5277HAPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J5277HA
Type
6-Point, Std, Chrome, Not Tether Capable
Socket Size
5/8 in

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

Product Description

The PROTO Flex Socket (MPN J5277HA) is a 3/8" Drive SAE Flex Socket with a 5/8" 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 J5277HA used for?

The PROTO Flex Socket J5277HA 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 3/8" drive and 5/8" socket size.

What are the specifications of the PROTO Flex Socket J5277HA?

The PROTO Flex Socket J5277HA has a 3/8" drive size, 5/8" socket size, and a 6-point standard configuration. It features a chrome finish for corrosion resistance and is not tether capable. The manufacturer part number is J5277HA, and it is made by PROTO.

Where to buy the PROTO Flex Socket J5277HA worldwide?

You can source the PROTO Flex Socket J5277HA worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply PROTO tools to industrial buyers globally.

How to select the correct PROTO Flex Socket size?

To select the correct PROTO Flex Socket, match the drive size (e.g., 3/8") to your ratchet or wrench, and the socket size (e.g., 5/8") to the fastener head. Ensure the point configuration (6-point for hex fasteners) matches your application. For tight spaces, a flex socket like the J5277HA provides pivoting access.

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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