Standard for dimensions of stainless steel fasteners: specify the basic dimensions of the product; Products with threads.
No standards for product technical conditions. The specific standards include the following aspects:
Standards for tolerances of fastener products: Specifically specify the tolerances of product dimensions and geometric tolerances.
Standards for mechanical performance of fastener products: specify the marking method for product mechanical performance levels, as well as the content of mechanical performance items and requirements; Some fastener products change this content to include material performance or working performance aspects of the product.
Standards for surface defects of fastener products: specify the types of surface defects and specific requirements for the products.
Surface treatment standards for fastener products: specify the types and specific requirements of surface treatment for the products.
Standards for fastener product testing: Specifically specify the content of various performance requirements testing mentioned above.
Standards for acceptance inspection, marking, and packaging of stainless steel fasteners:
The standard for marking methods of fastener products: specifies the content of complete marking methods and simplified marking methods for products.
Other standards for stainless steel fasteners, such as standards for fastener terminology, standards for fastener product weight, etc