Xiamen Rock Drilling MF Thread Round Extension Rods For Tunneling
Extension rods are made by hollow drill steels. Rock Drilling MF Thread Round Extension Rods For Tunneling... ... read more »
Xiamen inserts that is known to have strong configuration against carbide fracture.
2.Recommended for eliminating hole deviation
3.Widely used drifting and tunneling... ... read more »
Xiamen This type of bit is used for making large cut holes in drifting and tunneling.... ... read more »
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