BS A 345:1999 Hexagonal Self-Locking Nuts

Introducing the BS A 345:1999 Hexagonal Self-Locking Nuts, a premium standard in fastening technology designed to meet the rigorous demands of modern engineering and construction. These nuts are engineered to provide exceptional performance and reliability in a variety of high-stress environments, making them an indispensable component for professionals who require the utmost in quality and durability.

Product Overview

The BS A 345:1999 standard specifies the dimensions and classifications for hexagonal, self-locking nuts with a counterbore and captive washer, featuring MJ threads. These nuts are designed to withstand high tensile stresses, with classifications of 1100 MPa at ambient temperature, and are suitable for use in environments with temperatures up to 235°C, 315°C, and 425°C. This makes them ideal for applications where both mechanical strength and thermal resistance are critical.

Key Features

• Hexagonal Design: The hexagonal shape provides a robust and secure fit, ensuring that the nut remains firmly in place even under significant stress.
• Self-Locking Mechanism: The self-locking feature prevents loosening due to vibration or dynamic loads, enhancing the reliability of the assembly.
• Counterbore and Captive Washer: These features facilitate easy installation and provide additional security, reducing the risk of component failure.
• MJ Threads: The MJ thread profile is specifically designed for aerospace applications, offering superior fatigue resistance and load distribution.
• High-Temperature Resistance: With classifications for use at temperatures up to 425°C, these nuts are suitable for high-temperature applications.

Technical Specifications

The BS A 345:1999 standard encompasses a comprehensive set of specifications to ensure that these nuts meet the highest quality and performance standards. Key technical details include:

• Standard Number: BS A 345:1999
• Release Date: April 15, 1999
• ISBN: 0 580 32377 3
• Pages: 12
• Status: Standard

Applications

The BS A 345:1999 hexagonal self-locking nuts are versatile components suitable for a wide range of applications, including:

• Aerospace: Ideal for use in aircraft and spacecraft where high strength and reliability are paramount.
• Automotive: Perfect for high-performance vehicles that require components capable of withstanding extreme conditions.
• Industrial Machinery: Suitable for heavy-duty machinery and equipment that operate under high stress and temperature conditions.
• Construction: Used in structural applications where secure fastening is essential.

Why Choose BS A 345:1999 Nuts?

Choosing the BS A 345:1999 hexagonal self-locking nuts means investing in a product that offers:

• Unmatched Durability: Engineered to last, these nuts provide long-term reliability even in the most demanding environments.
• Superior Performance: With high tensile strength and temperature resistance, they ensure optimal performance in critical applications.
• Compliance with Standards: Manufactured to meet the stringent requirements of the BS A 345:1999 standard, ensuring quality and consistency.
• Versatility: Suitable for a wide range of industries and applications, providing flexibility and adaptability.

Conclusion

The BS A 345:1999 hexagonal self-locking nuts are a testament to engineering excellence, offering a combination of strength, reliability, and versatility that is unmatched in the industry. Whether you are working in aerospace, automotive, industrial, or construction sectors, these nuts provide the peace of mind that comes with knowing your components are built to withstand the toughest conditions. Invest in the best with BS A 345:1999 and experience the difference in quality and performance.

BS A 345:1999

This standard BS A 345:1999 Nuts, hexagonal, self-locking, with counterbore and captive washer, with MJ threads, classifications: 1100 MPa (at ambient temperature)/235°C, 1100 MPa (at ambient temperature)/315°C, 1100 MPa (at ambient temperature)/425°C. Dimensions is classified in these ICS categories:

• 49.030.30 Nuts

This International Standard specifies the dimensions of self-locking hexagonal nuts, with counterbore and captive washer, with MJ threads, of classifications: 1 100 MPa¹⁾/235 °C ²⁾, 1 100 MPa¹⁾/315 °C ²⁾, 1 100 MPa¹⁾/425 °C ²⁾.

This International Standard is only applicable for the compilation of aerospace product standards.