T60 MF thread drill rod from China manufacturer - KingKong ...
T60 MF thread drill rod. Feature. 1.T60 MF thread drill rod are alternative to couplings sleeves to include the female part of the threaded connection as an integral part of the drill steel. 2.T60 MF thread drill rodsuitable for all kinds of rock—Soft rock, loose-medium rock, hard rock and any other special formations.
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