GB/T 152.3-1988
ActiveFasteners--Counterbores for hexagon socket head screws and slotted cheese head screws
紧固件 圆柱头用沉孔
Application Summary AI generated
This standard specifies the dimensions and tolerances for counterbores designed to accommodate hexagon socket head screws and slotted cheese head screws. It is applied in mechanical engineering and manufacturing to ensure proper seating and flush mounting of these fasteners in components, particularly in assembly contexts where precise alignment and load distribution are required.
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GB/T 9074.20-2004
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GB/T 3098.20-2004
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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.