drill bits for water well drilling 490mm

{"cid":"91213517","title":"490mm PDC Hole Opener Diamond Drilling Tools for Horizontal Directional Drilling","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/8c\/e23ae0df552735c4b175319e2877-200x200-1.jpg","attrs":{"Price":"3000-6000usd\/pc","Brand Name":"ENG","Model Number":"2521412","Minimum Order Quantity":"1","Delivery Time":"7-8 WEEKS","Certification":"API, ISO","Place of Origin":"China","Payment Terms":"L\/C,T\/T","Supply Ability":"5000pcs \/ year","Packaging Details":"Wooden Case or Steel Box","Hole Opener Diameter":"490mm","Primary Cutter Size":"16mm","Connection Thread":"6 5\/8\" API Fh Box to 4 1\/2\" Reg Pin","Blade Number":"5","Application":"HDD Wells Drilling","Weight (Kg)":"189"}}