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PROTO Socket: Metric, 1/2 in Drive Size, 28 mm Socket Size, 6-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, 6-Point, Std, Chrome

The PROTO Socket: Metric is a 1/2" Drive Hand Socket, model J5428MH, featuring a 28 mm, 6-point standard socket size. It is constructed from Chrome and is not tether capable.

SKU 3G-OTH-317780

Brand
PROTO
Item
Socket: Metric, 1/2 in Drive Size, 28 mm Socket Size, 6-Point, Std, Chrome
Category
1/2" Drive Hand Sockets
Available to Order
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Technical Specifications

PROTO
Manufacturer Part Number
J5428MH
Type
6-Point, Std, Chrome, Not Tether Capable
Socket Size
28 mm
Drive Size
1/2 in
View Full Spec Sheet

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

Product Description

The PROTO Socket: Metric is a 1/2" Drive Hand Socket, model J5428MH, featuring a 28 mm, 6-point standard socket size. It is constructed from Chrome and is not tether capable.

Frequently Asked Questions

What is the PROTO J5428MH socket used for?

The PROTO J5428MH is a 1/2 in drive, 28 mm, 6-point standard socket used for tightening or loosening hex fasteners in industrial maintenance, automotive repair, and machinery assembly. Its chrome construction resists corrosion, making it suitable for general shop and field applications.

What are the specifications of the PROTO J5428MH socket?

The PROTO J5428MH is a 6-point, standard-length socket with a 1/2 in drive size and 28 mm socket size. It is made of chrome, is not tether capable, and carries manufacturer part number J5428MH. This metric socket is designed for manual or impact tool use within rated torque limits.

Where to buy PROTO J5428MH socket worldwide?

3G Electric supplies the PROTO J5428MH socket to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this chrome, 1/2 in drive, 28 mm socket.

How to select the correct PROTO socket size?

To select the correct PROTO socket, match the drive size (1/2 in) to your ratchet or torque wrench, and the socket size (28 mm) to the fastener hex. For the J5428MH, use a 6-point design on hex bolts to reduce rounding. Always verify the fastener is metric 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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