GB/T 6481-1994Hollow hexagonal drill rods with tapered connection for rock drilling (English PDF)

GB/T 6481-1994 (Hollow hexagonal drill rods with tapered connection for rock drilling) is available as an English-translated PDF.

GB/T 6481-1994 is the Chinese national standard "Hollow hexagonal drill rods with tapered connection for rock drilling". It is obsolete: it has been replaced by GB/T 6481-2002.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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