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Jinan,Shandong,China China
Rock drill tools 1)Thread type:T45 2)Face design:flat face 3)normal and retrac 4)button type:spherical/parabolic/connical/ballistic 5)diameter:28-127
cross drill bits The cross bit can be used under any rock drilling condition, it's hardly impacted by the model of drill rig and the rock perform
Contact Person Emily Sheng
Address Jinan, Shandong
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