Factory Price 8 1/2 Inch 215mm IADC537 Tricone Drill Bit for Water Well Drilling

Factory Price 8 1/2 inch  215mm IADC537 Tricone Drill Bit  for  Water Well DrillingAbout us:Qideli are a famous drilling tool manufacturer in China since 1990We Support :1.DTH Hammer & button bit, drill rod 2.Top hammer bit & shank adapter & drill rod 3.Taper bit, taper rod 4.New and used air compressor and drilling rig Our products have a great advantage both in price and quality, as well as gotten good reputation from our customers from South Africa, Iran, Malaysia, Burkina Faso, South Korea, Japan, Spain, and the Middle East ETC,more than 50 countries or regionsCustomization is welcome ,we are always be here for your solutions,when you need in.   Basical SpecificationBit Size8 1/2'',215mmIADC Code: 537Thread Connection4 1/2  API REG PINSeriesHR series rubber sealed bearingNozzle Qty3NZWeight38KGOperating ParametersWOB(kN/mm)0.45-1.0RPM(r/min)120-50FormationsSoft to medium formationDCWOBRPMApplicable Formations(KN/MM)(r/min)(Bit Dia)116  1170.35~0.8150~80Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk etc.136  1370.35~1.0120~60Soft to mesium soft formations with low compressive strength and high drillability.such as medium soft shale,hard gypsum,medium soft limestone.medium soft sandstone soft formation with harder nterbeds,ect.216  2170.4~1.0100~60Medium hard formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds ect.246  2470.4~1.080~50Medium hard formations with high compressive strength,such as abrasive shale.limestone,sandstone,dolomite,hard gypsum,marble,ect.417  4370.35~0.9150~70Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk,gypsum,salt,soft shale,soft limestone,etc.447517  5270.35~1.0140~60Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,soft shale.soft limestone,ect.537  5470.45~1.0120~50Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,ect.617  6270.45~1.190~50Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,ect.6370.5~1.280~40Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum,marble,ect.    Company information CertificateExhibitionFAQThe information you may like to know before order:1. Methods of Payment:  T/T (Telegraphic Transfer) or Western Union or L/C at sight2. Handling time for an order  Based on order quantity, normally it takes 25 days for production.  Only 2 or 3 days if we have stock on your request size.3. Shipping way  Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air  Bulk order: we suggest by air or by sea.4. Quality Control  We have our own experienced QC.  There will be strict inspection and testing for every order before shipping out.5. Can you customize the product?  We can customize products according to your required diameter, face shape, button size and color. We can produce by your samples or technical drawings. 6. After Services:  a. Our sales team will response for your question within 24 hours (Holidays Excluded)  b. Technical Support will be available in any time  c. Free replacement will provide once the failure confirmed caused by our product quality/* 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