ISO 5749:2004

Overview

ISO 5749:2004 is an international standard developed by the International Organization for Standardization (ISO) that specifies the principal dimensions and test values for diagonal cutting nippers (side cutters). This standard ensures uniformity in the design and testing of diagonal cutting nippers, helping manufacturers, users, and testing entities to verify product performance and compatibility. ISO 5749:2004 supports compliance with broader requirements detailed in ISO 5743 (General technical requirements) and mandates testing in accordance with ISO 5744 (Methods of test).

By defining the dimensions and test values for diagonal cutting nippers, ISO 5749:2004 promotes product quality, interchangeability, and reliability in professional and industrial applications worldwide.

Key Topics

• Principal Dimensions: Specifies standardized lengths, widths, and thicknesses for different types and sizes of diagonal cutting nippers, including those for hard wire, medium hard wire, and toggle lever assisted designs.
• Test Values: Outlines required test forces, wire diameters, and maximum permanent set limits to evaluate product durability and cutting performance.
• Compliance Requirements: Ensures diagonal cutting nippers function in conformity with ISO standards, supporting quality assurance and consistent performance across different manufacturers.
• Product Designation: Provides a standardized method for the designation of diagonal cutting nippers based on product number, ISO reference, nominal length, and intended application.
• Marking Guidelines: Aligns with ISO 5743, ensuring proper and consistent product marking for traceability and compliance.

Applications

ISO 5749:2004 is widely used in industries where reliable cutting of wire and small components is essential. Common applications include:

• Electrical and Electronics Manufacturing: Ensures that diagonal cutting nippers safely and efficiently cut hard and medium hard wires used in assembly, repair, and installation of electrical systems.
• Mechanical Engineering and Assembly: Standardizes tools used for precision cutting tasks in maintenance, assembly lines, and production environments.
• Tool Manufacturing: Provides manufacturers with detailed guidelines for producing diagonal cutting nippers that meet international quality standards, facilitating global trade and interoperability.
• Quality Control Laboratories: Assists in the verification and testing of cutting nippers according to internationally agreed methodologies, ensuring products meet or exceed safety and performance criteria.

Related Standards

ISO 5749:2004 is part of a suite of standards developed to ensure the quality, safety, and interchangeability of pliers and nippers. Closely related standards include:

• ISO 5742: Pliers and nippers - Nomenclature. Defines the terminology used in the field.
• ISO 5743: Pliers and nippers - General technical requirements. Specifies overall material and construction requirements.
• ISO 5744:2004: Pliers and nippers - Methods of test. Details standardized testing procedures for these tools.

By following ISO 5749:2004 and its related standards, tool manufacturers, distributors, and end users benefit from enhanced compatibility, increased safety, and higher levels of trust in tool performance and durability.

For more information or to purchase the standard, visit the ISO website.