Well Drilling 9 1/2"~13 3/4"

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{"cid":"126677","pid":"22989812","pimg_url":"\/\/img1.tradegrowthhub.com\/72\/81\/7c588953b5bb\/product\/78074193_s-w400xh400.jpg","name":"Brand New Countersunk Taper Well Tooth Drilling Bits \/ Mining Auger Parts","attrs":{"Price":"Negotiable","MOQ":"1 Unit","Delivery Time":"Negotiable","Brand":"Deris,kingdream, kingdream,cs etc"}}

{"cid":"126677","pid":"22989789","pimg_url":"\/\/img1.tradegrowthhub.com\/72\/81\/7c588953b5bb\/product\/78074071_s-w400xh400.jpg","name":"Soft Forming Well Drilling 12\" Steel Teeth Tricone Rock Drill Bits For Water Drilling","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"dearis ,kingdream, deris,kingdream"}}

{"cid":"126677","pid":"22989765","pimg_url":"\/\/img1.tradegrowthhub.com\/72\/81\/7c588953b5bb\/product\/78073961_s-w400xh400.jpg","name":"energy & Quality Tricone Steel Chisel Rock Mining Drill Bits Drill Bits Bits","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"Kingdream,Deris,CS,Lilin,etc."}}

{"cid":"126677","pid":"22989739","pimg_url":"\/\/img1.tradegrowthhub.com\/72\/81\/7c588953b5bb\/product\/78073827_s-w400xh400.jpg","name":"energy & IADC 117 Steel Tooth Mining Tricone Rock Bit For Water Well Drilling Rig","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Deris"}}