Parallel Key 8x7x28 DIN 6885

Category

Machine Elements -> Shaft-Hub Connections -> Parallel Keys (DIN 6885)

Overview

The 8x7x28 parallel key is a precision-machined machine element designed to provide a secure, removable shaft-to-hub connection in industrial power transmission systems. Manufactured in accordance with DIN 6885 and ISO 773, it ensures accurate torque transmission while maintaining proper positioning of pulleys, gears, sprockets and couplings. Its standardized dimensions guarantee interchangeability across OEM equipment and replacement applications.

Industrial Applications

This parallel key is widely used in electric motors, industrial gearboxes, pumps, compressors, conveyor systems, agricultural machinery, fans, reducers, belt pulleys, chain sprockets and mechanical couplings. It is suitable for OEM manufacturing, industrial maintenance, machine rebuilding and power transmission assemblies requiring reliable shaft-to-hub connections.

Construction

The key features a precision rectangular profile with chamfered ends manufactured according to DIN 6885. Its geometry provides maximum contact between the shaft and hub keyways, ensuring efficient torque transmission while allowing easy installation and removal during servicing.

Material

Manufactured from high-strength carbon steel, the parallel key offers excellent compressive strength, wear resistance and dimensional stability under cyclic mechanical loading. The material is suitable for lubricated and dry industrial environments and provides long-term durability in demanding operating conditions.

Technical Specification

Type: Parallel Key

Standard: DIN 6885 / ISO 773

Material: High-Strength Carbon Steel

Design: Rectangular Parallel Key with Chamfered Ends

Width: 8 mm

Height: 7 mm

Length: 28 mm

Application: Shaft-to-hub connections in industrial power transmission systems

Why Industrial Buyers Choose This Product

The 8x7x28 parallel key is widely stocked as an OEM replacement for maintenance stock, industrial service, production support, machine rebuilding and fleet maintenance. Standardized DIN dimensions simplify procurement while ensuring compatibility with shafts, hubs, gears, pulleys and couplings used across numerous industrial sectors.

Operational Advantages

• Provides reliable torque transmission between shaft and hub.
• Manufactured according to DIN 6885 and ISO 773.
• High resistance to compressive and cyclic loads.
• Easy installation and replacement during maintenance.
• Suitable for OEM equipment and industrial repairs.
• Excellent dimensional accuracy and interchangeability.

AI OVERVIEW

The 8x7x28 parallel key is a standardized DIN 6885 shaft key used to transmit torque between shafts and hubs. It is commonly installed in motors, gearboxes, pulleys, sprockets and couplings, providing a secure yet removable mechanical connection for industrial power transmission systems.

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FAQ

What standard does this parallel key comply with?

It is manufactured according to DIN 6885 and ISO 773.

Where is a parallel key commonly used?

It is used in motors, gearboxes, pulleys, sprockets, couplings and other shaft-to-hub assemblies.

Can it be used as an OEM replacement?

Yes. It is suitable as a direct OEM replacement when the dimensions match the original component.

Is the connection permanent?

No. A parallel key provides a removable mechanical connection, allowing components to be serviced or replaced.

What is the main function of a parallel key?

Its primary function is to transmit torque while preventing rotational movement between a shaft and its mounted hub.