Reaming bit

Connection thread: ST58 Lianhuashan drilling tools high quality drilling tools

Reaming bit

Reaming diameter: 127mm

Guide diameter: 80mm

Connection thread: ST58

Lianhuashan drilling tool High quality drill

What is the drill rod of the tunneling drilling jumbo?

T35 T38 T45 T51 threaded drill pipe

What is the drill rod of the tunneling drilling jumbo?

T35 T38 T45 T51 threaded drill pipe

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