BS ISO 965-4:2025 - ISO General Purpose Metric Screw Threads

Introducing the BS ISO 965-4:2025, a comprehensive standard that defines the tolerances and limits of sizes for hot-dip galvanized external threads. This standard is essential for ensuring compatibility with internal threads made to tolerance positions H or G after galvanizing. Released on February 14, 2025, this document is a must-have for professionals in the field of engineering and manufacturing who require precise and reliable guidelines for screw thread production.

Key Features

• Standard Number: BS ISO 965-4:2025
• Pages: 12
• ISBN: 978 0 539 28878 0
• Status: Standard

Comprehensive Coverage

This standard provides detailed specifications for the tolerances and limits of sizes for hot-dip galvanized external threads. It ensures that these threads are perfectly compatible with internal threads that adhere to tolerance positions H or G. This compatibility is crucial for maintaining the integrity and functionality of threaded connections in various applications, from construction to machinery.

Why Choose BS ISO 965-4:2025?

The BS ISO 965-4:2025 standard is an invaluable resource for professionals who demand precision and reliability in their work. By adhering to this standard, you can ensure that your products meet international quality benchmarks, enhancing their marketability and performance. The document's clear guidelines help prevent common issues such as thread mismatch and ensure a secure fit, which is vital for safety and efficiency.

Benefits of Hot-Dip Galvanizing

Hot-dip galvanizing is a process that involves coating steel or iron with a layer of zinc to protect it from corrosion. This process is widely used in the production of screw threads due to its numerous benefits:

• Corrosion Resistance: The zinc coating provides a robust barrier against environmental factors, significantly extending the lifespan of the threads.
• Durability: Hot-dip galvanized threads are known for their strength and ability to withstand harsh conditions.
• Cost-Effective: The longevity and low maintenance requirements of galvanized threads make them a cost-effective choice for many applications.

Applications

The BS ISO 965-4:2025 standard is applicable in a wide range of industries, including:

• Construction: Ensuring the structural integrity of buildings and infrastructure through reliable threaded connections.
• Automotive: Providing durable and corrosion-resistant threads for vehicle components.
• Machinery: Enhancing the performance and longevity of industrial machines with precise thread specifications.
• Marine: Offering protection against the corrosive effects of saltwater environments.

Conclusion

The BS ISO 965-4:2025 standard is an essential tool for professionals who require precise and reliable guidelines for the production of hot-dip galvanized screw threads. By adhering to this standard, you can ensure that your products meet international quality benchmarks, enhancing their marketability and performance. Whether you're in construction, automotive, machinery, or marine industries, this standard provides the assurance you need for high-quality, durable, and corrosion-resistant threaded connections.

Invest in the BS ISO 965-4:2025 standard today and take the first step towards ensuring the quality and reliability of your threaded products.

BS ISO 965-4:2025

This standard BS ISO 965-4:2025 ISO general purpose metric screw threads. Tolerances is classified in these ICS categories:

• 21.040.10 Metric screw threads