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PROTO Socket: Metric, 1/2 in Drive Size, 28 mm Socket Size, 12-Point, Std, Chrome - 1/2" Drive Hand Sockets
PROTO1/2" Drive Hand Sockets

PROTO Socket: Metric, 1/2 in Drive Size, 28 mm Socket Size, 12-Point, Std, Chrome

The PROTO Socket: Metric (MPN J5428M) is a 1/2" drive hand socket with a 28 mm, 12-point standard configuration. It is constructed from chrome and manufactured by PROTO.

SKU 3G-OTH-317529

Brand
PROTO
Item
Socket: Metric, 1/2 in Drive Size, 28 mm Socket Size, 12-Point, Std, Chrome
Category
1/2" Drive Hand Sockets
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Technical Specifications

PROTO
Manufacturer Part Number
J5428M
Type
12-Point, Std, Chrome, Socket
Socket Size
28 mm
Drive Size
1/2 in
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Socket: Metric (MPN J5428M) is a 1/2" drive hand socket with a 28 mm, 12-point standard configuration. It is constructed from chrome and manufactured by PROTO.

Frequently Asked Questions

What is the PROTO J5428M socket used for?

The PROTO J5428M is a 1/2" drive, 28 mm, 12-point standard socket used for tightening or loosening metric fasteners in automotive, industrial, and mechanical maintenance applications. Its chrome construction provides corrosion resistance and durability for repeated use in professional workshops and assembly lines.

What are the specifications of the PROTO J5428M socket?

The PROTO J5428M is a 12-point, standard, chrome socket with a 1/2" drive size and a 28 mm socket size. It is manufactured by PROTO under part number J5428M. The chrome finish offers corrosion resistance, and the 12-point design provides secure engagement with fasteners.

Where to buy the PROTO J5428M socket worldwide?

You can source the PROTO J5428M socket 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 genuine PROTO tools to industrial buyers internationally.

How to select the correct PROTO socket size?

To select the correct PROTO socket, match the drive size (1/2") to your ratchet or torque wrench, and choose the socket size (28 mm) to fit the fastener head. For metric fasteners, use a 12-point socket for increased engagement. Always verify the fastener type and torque requirements before 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 hand sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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