3 7 8 18 carbide drag bit

{"cid":"91182652","title":"Polishing API Thread TCI Steel Tooth Tricone Bit Drag Drill Bit 6 1\/4\"-18\"","imgUrl":"https:\/\/img.chinax.com\/nimg\/43\/64\/048ea899930eb79e1cf6c49837e7-200x200-1.jpg","attrs":{"Brand Name":"SOLLROC","Model Number":"4\"-20\" with API thread","Minimum Order Quantity":"1 set","Delivery Time":"1-2 weeks","Certification":"SGS","Place of Origin":"China","Supply Ability":"20000 sets per month","Packaging Details":"Cartons + ply wood case (no plastic)","Material":"Tungsten Carbide with steel","Color":"Gold","Surface Treatment":"Polishing","Applications":"soft to hard rock","Keeywords":"Tricone Drill bits","Bearing:":"Rubber Sealed Bearing","Size":"6 1\/4\"-18\"","IADC":"625 635 416 427 436 446 447 516 526 537 547 516 536 535"}}