GB/T 6135.4-2008
ActiveParallel shank twist drills - Part 4: The types and dimensions for extra long parallel shank twist drills
直柄麻花钻 第4部分：直柄超长麻花钻的型式和尺寸
Application Summary AI generated
This standard specifies the types and dimensions of extra long parallel shank twist drills used for deep hole drilling in metalworking. It is applied in manufacturing industries where extended drill reach is required, such as in automotive, aerospace, and general machining operations. The standard ensures interchangeability and consistency in tool geometry for precision drilling applications.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.