Well Drilling 14 1/2"~17 1/2"

{"cid":"126677","pid":"22988717","pimg_url":"\/\/img1.tradegrowthhub.com\/72\/81\/7c588953b5bb\/product\/78069327_s-w400xh400.jpg","name":"energy & Factory Oil Water Well 393.7 MM IADC 537 Hard Rock Roller Cone Drill Tricone Bit","attrs":{"Price":"$4,000.00(1 - 4 Pieces) $3,968.00(>=5 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Kingdream Deris"}}

{"cid":"126677","pid":"22988700","pimg_url":"\/\/img1.tradegrowthhub.com\/72\/81\/7c588953b5bb\/product\/78069219_s-w400xh400.jpg","name":"China Hebei Deris Oil Well Drilling Equipment 17 1\/2\" IADC 637 Tungsten Carbide Rock Well Drilling Tricone Drill Bit","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Kingdream,deris"}}

{"cid":"126677","pid":"22988674","pimg_url":"\/\/img1.tradegrowthhub.com\/72\/81\/7c588953b5bb\/product\/78069096_s-w400xh400.jpg","name":"Gauge Protect Tci Rock Roller Tricone Bit For Water \/ Mining Well Drilling","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Kingdream,deris"}}

{"cid":"126677","pid":"22988643","pimg_url":"\/\/img1.tradegrowthhub.com\/72\/81\/7c588953b5bb\/product\/78068980_s-w400xh400.jpg","name":"Water well news \/ used kingdream 445mm 17 1\/2\" durable IADC HJ537 tools tci drill bits water well drilling equipment","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Deris"}}

{"cid":"126677","pid":"22988616","pimg_url":"\/\/img1.tradegrowthhub.com\/72\/81\/7c588953b5bb\/product\/78068845_s-w400xh400.jpg","name":"New Water Well Well Drilling Rig Drilling Rig \/ Used Open Bearing 12 1\/4\" IADC 517 tci Rotary Tricone Rock Drill Bit","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Kingdream,Deris"}}