Alloy steel 17 1/2ST537GK

{"cid":"70171","pid":"17183933","pimg_url":"\/\/img1.b2bforus.com\/7b\/bb\/646699728aa8\/product\/51241445_s-w400xh400.jpg","name":"Wells 17 1\/2\" (444.5mm) API Roller Cone Bit Tricone Bit Used For Oil Well Drilling","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"chuan shi"}}

{"cid":"70171","pid":"17183917","pimg_url":"\/\/img1.b2bforus.com\/7b\/bb\/646699728aa8\/product\/51241381_s-w400xh400.jpg","name":"Wells High Quality Standard Good Drill Tricone Bit API 17 1\/2\" (444.5mm) For Soft Forming","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"chuan shi"}}

{"cid":"70171","pid":"17183900","pimg_url":"\/\/img1.b2bforus.com\/7b\/bb\/646699728aa8\/product\/51241298_s-w400xh400.jpg","name":"Wells 17 1\/2\" (444.5mm) Tungsten Carbide Tricone Drill Bit For Water Well Drilling","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"chuan shi"}}

{"cid":"70171","pid":"17183888","pimg_url":"\/\/img1.b2bforus.com\/7b\/bb\/646699728aa8\/product\/51241235_s-w400xh400.jpg","name":"Wells 17 1\/2\" (444.5mm) TCI Tricone Bit \/ Roller Cone Bit \/ Rock Bit For Drilling","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"chuan shi"}}

{"cid":"70171","pid":"17183874","pimg_url":"\/\/img1.b2bforus.com\/7b\/bb\/646699728aa8\/product\/51241161_s-w400xh400.jpg","name":"Wells 171\/2ST537GKAPI Countersunk Tooth Tricone Bit Drilling For Groundwater","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"chuan shi"}}

{"cid":"70171","pid":"17183860","pimg_url":"\/\/img1.b2bforus.com\/7b\/bb\/646699728aa8\/product\/51241094_s-w400xh400.jpg","name":"Chuan Shi Tricone Roller Cone Drill Bits \/ Oil TCI Drill Bit \/ Compact Drill Bit 17 1\/2\" IADC 537","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Chuan Shi"}}