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Square and Rectangular Keys
  • Square and Rectangular KeysSquare and Rectangular Keys
  • Square and Rectangular KeysSquare and Rectangular Keys
  • Square and Rectangular KeysSquare and Rectangular Keys
  • Square and Rectangular KeysSquare and Rectangular Keys
  • Square and Rectangular KeysSquare and Rectangular Keys
  • Square and Rectangular KeysSquare and Rectangular Keys
  • Square and Rectangular KeysSquare and Rectangular Keys
  • Square and Rectangular KeysSquare and Rectangular Keys

Square and Rectangular Keys

Square and Rectangular keys is a square cross-section with all four sides having the same width, and they feature rounded ends. They are available in materials such as carbon steel and stainless steel. These keys are primarily used as mechanical connectors to transmit torque between a shaft and a hub or other rotating components, like pulleys, gears, or sprockets. Their rounded ends simplify installation and reduce stress concentrations.Jinghong Fasteners’s Square keys are chosen based on their material and size to ensure efficient power transmission in various application

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Product Description

Square and Rectangular keys are relatively simple to manufacture and install, typically produced through processes like cold heading and stamping. They have three main styles: with rounded ends at both sides, with flat ends at both sides, or with one flat end and one rounded end. Square and Rectangular keys are suitable for applications where higher torque transmission is required, commonly used in heavy machinery and gearboxes. The key design requires proper orientation during installation to ensure they function as intended.

Square and Rectangular keys Specification

Name Square and Rectangular keys
Material Carbon steel/Stainless steel (SS304,SS316etc/brass
Standards GB,DIN, ASME, Non-standard, Customized Drawing.
Thread Metric Coarse,, UNC, UNF, BSW, BSF.
Sizes Φ2-Φ50 etc
Finish Black Oxide/Natural/Zinc Nickel others
Price 0.005usd/pcs-0.20usd/pcs
MOQ Stardard item(Usually little hundred-little thousand)/determined if non-standard


Product Feature

Jinghong Fasteners Square and Rectangular keys offer products made from materials such as low carbon steel, medium carbon steel, and stainless steel 304. These products undergo strict inspections and comply with national or DIN standards. Customers can choose the products that best suit their needs based on their specific requirements.


Our Strength

Direct from manufacturer to customer, On time delivery

Completely fastener products,offers one - stop shopping service.

High quality and competitive price, saving your cost.

Product complies with iso9001 and ts16949 certification

After shippment, we will offer the Material report and Test report.


Product Application

Jinghong Fasteners'Square and Rectangular keys are mechanical connectors used to transmit torque between a shaft and a hub or other rotating components, such as pulleys, gears, or sprockets. They have extensive applications in various machinery and systems to ensure a secure connection between two components and efficient transfer of rotational force.


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