GB/T 9217.4-2005
ActiveHardmetal burrs--Part 4:Spherical burrs(style D)
硬质合金旋转锉 第4部分:圆球形旋转锉（D型）
Application Summary AI generated
This standard specifies the dimensions, tolerances, and technical requirements for spherical hardmetal burrs (style D), which are rotary cutting tools used in die and mold making, metalworking, and precision deburring. It applies to the manufacturing and quality inspection of these burrs for use with high-speed hand grinders or flexible shaft tools in industrial machining contexts. The standard ensures interchangeability and consistent performance for shaping, smoothing, and finishing contoured surfaces in hard materials.
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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.