Woodruff keys and keyways

This document establishes comprehensive technical requirements and specifications for Woodruff keys and their corresponding keyways. It defines precise geometric dimensions, tolerance limits, and surface finish criteria to ensure interchangeability and proper fit between the key and the mating components. The guidelines cover various sizes and profiles of the key, detailing the correct form of the semi-circular cutting tool and the resulting slot in the shaft or hub. By adhering to these parameters, manufacturers can produce mechanical components that meet consistent performance standards in power transmission applications. The information provided facilitates the design, manufacturing, and inspection processes, supporting quality assurance in industrial settings where reliable mechanical coupling is essential. The standard serves as a reference for engineers and technicians involved in the creation of machinery parts requiring secure and efficient rotational connection.