BS ISO 261:1998 - Standard for Mechanical Systems and Components

BS ISO 261:1998 provides the essential guidelines for the dimensions of screws and bolts with metric threads, ensuring compatibility and interchangeability among mechanical systems and components in general use. This standard is critical for manufacturers, engineers, and quality assurance professionals, as it establishes a uniform framework for the design, production, and testing of threaded fasteners.

Key Features and Benefits

• Uniformity: BS ISO 261:1998 ensures dimensional standardization across threaded fasteners, promoting ease of use in engineering projects while mitigating the risks of misalignment and incompatibility.
• Enhanced Reliability: By adhering to set specifications, organizations can ensure the reliability and safety of mechanical assemblies, which is paramount in applications such as automotive, aerospace, and machinery manufacturing.
• Cost Efficiency: Standardization leads to cost savings in procurement and inventory management, as companies can source compatible components without the need for extensive customization.

Scope of the Standard

Published on April 15, 1999, this British Standard serves as an identical adoption of ISO 261:1998, reflecting global best practices. It covers a variety of screw and bolt dimensions, including nominal sizes, pitch diameter, and tolerance grades, allowing users to select the appropriate fasteners for their specific requirements.

Who Should Use BS ISO 261:1998?

This standard is an essential tool for engineers, designers, and manufacturers involved in the production of mechanical systems where threaded components are prevalent. Organizations focused on quality control in manufacturing processes will find BS ISO 261:1998 invaluable in establishing robust and reliable operational standards.

Purchase Information

This document is available for purchase in both PDF and hardcopy formats, with the standard set at a competitive price of £134.00. By implementing BS ISO 261:1998 within your organization, you support enhanced efficiency and compliance with established international standards.

Integrate BS ISO 261:1998 into your engineering practices today to foster quality, safety, and interoperability in your mechanical designs.