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12 1/4" Rotary Tricone Bit Mining Blasthole Drilling1
Drilling ToolsTCI Tricone BitRotary Tricone Bit
Changsha Heijingang Industrial Co., Ltd.
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Product Description Founded in 1999, in the past decades, BD DRILL has established a reputation for outstanding commitment to product quality, innovation and most importantly customer service. And we proud to say that we are the only enterprise in the industrial that adopt the full supply chain operation that enable us can control the quality from Raw materials to End products.Founded in 1999, in the past decades, BD DRILL has established a reputation for outstanding commitment to product quality, innovation and most importantly customer service. And we proud to say that we are the only enterprise in the industrial that adopt the full supply chain operation that enable us can control the quality from Raw materials to End products. IADC CODEBIT SIZEBit DescriptionCompression StrengthGround DescriptionBearing TypeCirculationTypeCutting structureShirttail ProtectionWOBThreadWeight435200mm(7 7/8")216mm(8 1/2")229mm(9")251mm(9 7/8")270mm(10 5/8")311mm(12 1/4")TCI s e a l e d r o l l e rbearing bit with gaugeprotection for sof t formations with lowcompressive strength and limestones.and high drillability65-85 9000-12000Long intervals of very soft poorly compactedshales, dolomites, sandstones, clays, saltsRoller-BallRo I I e r -ThrustJet AirInner and Nose Rows: ConicalGage Rows: ChiselGage BevelProtection:RoundHardmetal and wear resistant carbide on shirttail lip and lug9880-395009880-395009880-3950024500-612504 1 /2" API REG4 1 /2" API REG4 1 /2" API REG6 5/8" API REG6 5/8" API REG6 5/8" API REG34 kg38 kg50 kg65 kg74 kg98 kgRotary Drilling Rotary drilling is mostly used to drill big holes in large quarries, open pit mines, petroleum extraction, and other ?elds:(1)rotary crushing by high-point loading to the rock from three cones.(2)rotary cutting by shear force from drag bits. The rotary cutting can be also used to drill small boreholes in soft rocks.For example, rotary drilling is often used to drill small holes down to 25 mm in diameter to install bolts in coal mines. The rotary crushing is used in medium to hard rocks, and the rotary cutting in soft rocks. Black Diamond rotary tricone bits are manufactured using premium quality steel and use BD Drill own tungsten carbide inserts that have been developed to suit the toughest applications.KEY FEATURES1. Unique bearing structure design to assure the durability and improve the bearing resistance2. Bearing journals with increased lubrication and reduced heat generation3. Bit leg insert wear buttons to reduce wear and prevent debris build-up in bearings4. Cutting structure and bearing design optimized assure the productive and durable performance during drilling5. Desirable design allow the ejection of large debris, ultimately results in faster penetration rates, longer bit life and lower the total drilling cost. BD Drill equipped with over 1000 sets advanced machine,we produce high quality Mining Tricone Bits for years, now we have already established strategic business relationship with world famous mining company, the quality and durability products cutting down the drilling cost, in the meantime, we keep optimise the design to always assure to meet customer requirements.Our commitmentImproveSafetyImprove Productivity -Increase ROPReduce Total Drill Consumable SpendDrill Consumable Management andReportingConsolidate Supply BaseReduce Administrative BurdenVendor Held and Managed Stock on SiteImprove Product Storage and Manual Handling
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