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Introduction to Standard Parts

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2025-11-19

Standard Parts are mechanical components and elements that have clearly defined standards. The primary standards used include China’s National Standards (GB), the American Society of Mechanical Engineers standards (ANSI/ASME), and others such as Japan’s JIS and Germany’s DIN, all of which are widely adopted around the world. Mechanical parts and components with a high degree of standardization and strong industry-wide applicability are also referred to as universal parts. Broadly speaking, Standard Parts encompass fasteners, connecting components, transmission components, seals, hydraulic components, pneumatic components, bearings, springs, and more—each of which has corresponding national standards and enjoys wide cross-industry applicability. The term “industry-standard parts” is an industry-specific convention without any explicit legal definition. Common examples of industry-standard parts include mold standard parts and automotive standard parts. When a product becomes widely adopted across an industry, it is considered a universal part. The standards for universal parts are typically established by leading companies within the industry and are widely accepted by the industry at large; thus, these company standards effectively become industry standards and can be referred to as industry-standard parts.

These are mechanical parts and components that have clearly defined standards. The primary standards used include China’s National Standards (GB), the American Society of Mechanical Engineers standards (ANSI/ASME), and others such as Japan’s JIS and Germany’s DIN, all of which are widely adopted around the world. Mechanical parts and components with a high degree of standardization and strong industry-wide applicability are also referred to as universal parts. In a broad sense, Standard Parts encompass fasteners, connecting elements, transmission components, seals, hydraulic components, pneumatic components, bearings, springs, and more—each of which has corresponding national standards and enjoys strong cross-industry applicability.

Industry Standard Parts is a commonly used term within the industry, but it is not explicitly defined. Common examples of Industry Standard Parts include mold Standard Parts and automotive Standard Parts. When a product is widely adopted across the industry, it becomes a Universal Part. The standards for Universal Parts are typically established by leading companies in the industry and widely accepted by the industry at large. As a result, these company standards effectively become industry standards, and such parts can then be referred to as Industry Standard Parts.


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