GB/T 4248-2004
ActiveTechnical conditions for handtaper 1∶50 pin reamers
手用1∶50锥度销子铰刀 技术条件
Application Summary AI generated
This standard specifies the technical requirements, dimensions, tolerances, materials, hardness, and marking for hand-operated 1:50 taper pin reamers. It is applied in mechanical manufacturing and assembly processes where precision taper pin holes must be reamed to ensure a tight fit for positioning or fastening components. The standard ensures interchangeability and quality control in industries such as automotive, machine tool, and general engineering.
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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.