GB/T 20704-2006
ActiveRock drilling - Rotary drill-rods and rotary drill-bits for dry drilling - Connecting dimensions
岩石钻孔 干式钻杆和钻头 连接尺寸
Application Summary AI generated
This standard specifies the connecting dimensions for rotary drill-rods and rotary drill-bits used in dry rock drilling operations. It is applied in the mining and construction industries to ensure interchangeability and compatibility between drilling components from different manufacturers. The standard is particularly relevant for dry drilling equipment used in surface and underground mining, quarrying, and tunneling where no flushing medium is employed.
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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.