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SKU EM7BA-660
Rock hole opener for water well drilling rig
660mm rock hole opener for water well drilling rig
Electric Drills
Price on request
No public price on this one — ask the supplier for a quote.
Details
Name: rock hole opener
Size: 660mm
Pilot bit size: 81/2"
Tricone cutters quantity: 9
Tricone cutters model: 81/2" IADC637
Connection thread: 75/8" API Reg pin
Recommend rock formation: medium hard with high compressive strength and high abrasiveness, such as limestone, dolomite, sandstone and chert. etc.