ISO 6305-4:1985 PDF Download

ISO 6305-4:1985 is a standard that provides technical specifications and delivery requirements for untreated steel nuts and bolts, as well as high-strength nuts and bolts used for fish-plates and fastenings in the railway industry.

The standard covers various aspects related to the product quality and acceptance criteria for these railway components. It includes information on manufacturing and acceptance conditions, requirements for data to be provided by the purchaser, and guidelines for packaging. Additionally, the standard includes Annexes A to D, which contain progressive sampling plans.

By defining these specifications and requirements, ISO 6305-4 aims to ensure the consistency and reliability of untreated steel nuts and bolts, as well as high-strength nuts and bolts used in railway fish-plates and fastenings. Compliance with this standard helps to maintain the safety and efficiency of railway systems, contributing to the overall quality and performance of the rail infrastructure.