Rock Drill Bit 17-1/2 Inch Tricone Drill Bit of API Roller Cone Bit

Product Description IADC : 645     Bearing Type:  Jounary Bearing  Rubber sealed      Circulation Type : Water  or air   Cutting Structure   Inner & Nose Rows : Double Spherical      Gage Rows : Chisel       Pin Connection : 7-5/8"       Metric Bit Diameter    114.5mm       Product Weight   240kgs              Product Parameters Weight On Bit (klbs):311- 543 Rotation Speed (Rotary):80-DHMFlow Rate (GPM):90-40Make Up Toqure(klb.ft): 46-54  Drill bit: A drill bit is a cutting tool that is attached to a drilling rig and is used to create holes in the ground.Rock formation: A rock formation is a layer or stratum of rock that has distinct .Cone: A cone is a rotating component of a tricone bit that has cutting teeth or inserts on its surface and is used to drill through rock formations.Bearing: A bearing is a component of a tricone bit that supports the weight of the bit and allows the cones to rotate during the drilling process.Tungsten carbide inserts (TCI): Tungsten carbide inserts are small inserts made of tungsten carbide that are brazed onto the cone surface of a tricone bit. TCI inserts are commonly used for drilling through hard or abrasive formations.Import key of pefermance of drill bit   Certifications Test Report FAQ Q: Are your company a trading company or manufacturing factory :A: We are professional manufacture with over +20 experience Q: Accepted  Payment Terms:A: T/T, L/C,  Paypal, Western Union, etc. Q: Guarantee and Warranty of Quality:A: We are an API&ISO certified factory, we have one integrated set of systems to control quality in production and make after-sale service. Q: Referenced Letters:A: We have many Referenced Letter issued by our customers from many countries for checking our quality and service. Q: Can I visit your factory online?A: Yes, we can show our workshop, warehouse, offices online by WeChat, Whatsapp, or Skype  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1