What is the national standard for deep hole drilling cutting oil?

The national standard of cutting oil for deep hole drilling is GB/T4945-2002.

GB/T4945-2002 is the cutting oil standard for deep hole drilling issued by China National Standardization Administration Committee. This standard specifies in detail the technical requirements, test methods, inspection rules and marks, packaging, transportation, storage and ordering contents of deep-hole drilling cutting oil. It is suitable for all kinds of cutting fluids used in deep hole drilling, including petroleum-based deep hole drilling oil and synthetic deep hole drilling oil. The purpose of this standard is to ensure that the quality and performance of cutting oil for deep hole drilling meet the national requirements and improve the efficiency and quality of deep hole drilling.