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<title><![CDATA[EC21 Product Catalogs - used bits]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/used_bits--2644/1/used bits.html]]></link><item>
<title><![CDATA[Manufacturers China Wholesale Rock Drilling Tool Offshore Oil Drill PDC Bit Used in Mines Oilfields]]></title><link><![CDATA[https://alicezhu1.en.ec21.com/Manufacturers_China_Wholesale_Rock_Drilling--11937244_11958335.html]]></link><description><![CDATA[bit, HDD hole openerand other drilling accessories.
Production advantage：
High quality raw materials ：
Strictly in accordance with the standards, carefully select materials, refused to jerry-buil]]></description><pubDate><![CDATA[20240627]]></pubDate></item>
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<title><![CDATA[Cone Assembly of API Standard Tricone Rock Drill Bits Used for Mining]]></title><link><![CDATA[https://senwell2008.en.ec21.com/Cone_Assembly_of_API_Standard--9714769_9714770.html]]></link><description><![CDATA[Item: Cone assembly of tricone rock drill bits 
Material: Alloy steel 
IADC code: IADC 537 and the above
Usage: Mining
Size: 8-1/2&quot; ~ 26&quot; (Tricone rock drill bits)
Package: plywood case, individual p]]></description><pubDate><![CDATA[20170505]]></pubDate></item>
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<title><![CDATA[TCI(Tungsten Carbide Insert) Tricone Drill Bit for Hard Rock Formation Blasting Using]]></title><link><![CDATA[https://amyzhang86.en.ec21.com/TCI_Tungsten_Carbide_Insert_Tricone--11743960_11744667.html]]></link><description><![CDATA[China Factory Supply Mining Drill Bits Rock Drilling Tricone Bits For Hard Rock
Product Descriptions
Tricone bit is an ideal solution for soft, medium, or hard rock formations, it is connected with t]]></description><pubDate><![CDATA[20230310]]></pubDate></item>
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<title><![CDATA[(Mining,Exploration,Coring,Drilling) Reaming Shells]]></title><link><![CDATA[https://tsdiao.en.ec21.com/Mining_Exploration_Coring_Drilling_Reaming--5500756_5500811.html]]></link><description><![CDATA[SIZE : AX, NX, NXD3, AS, BS, NS, NS3, HS, PS, T Series
USAGE 
Diamond Reaming Shell is connected with a Bit to be used, and the drilling by Bit and grinding of side surface can be done simultaneously]]></description><pubDate><![CDATA[20231017]]></pubDate></item>
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<title><![CDATA[R32 Thread Button Bit 43/45/48/51mm]]></title><link><![CDATA[https://reekerock.en.ec21.com/R32_Thread_Button_Bit_43--12046530_12046800.html]]></link><description><![CDATA[R32 is the most widely used drill bit for underground drifting. It is made of alloy steel and carbide , has wear resistance and corrosion resistance. Different button shapes are used in different roc]]></description><pubDate><![CDATA[20250305]]></pubDate></item>
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<title><![CDATA[YT24/YT27/YT28/YT29A Handheld Rock Drilling Machine Supplier Jack Hammer On Sale]]></title><link><![CDATA[https://bestone523.en.ec21.com/YT24_YT27_YT28_YT29A_Handheld--11962094_11966986.html]]></link><description><![CDATA[used regularly to extend the life of the drill bit. Stop drilling regularly to clean the rock cuttings in the hole to ensure smooth drilling.
After operation
Turn off the rock drill and disconnect th]]></description><pubDate><![CDATA[20240711]]></pubDate></item>
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<title><![CDATA[CR25 Surface Core Drilling Rig]]></title><link><![CDATA[https://coredrillpros.en.ec21.com/CR25_Surface_Core_Drilling_Rig--11951642_11951651.html]]></link><description><![CDATA[bit drilling, it can be used in the fields of geology, metallurgy, coal mining, nuke industry and hydrology measuring.
The core drill rig of full hydraulic and rotator adopted the technology of wire-]]></description><pubDate><![CDATA[20240614]]></pubDate></item>
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<title><![CDATA[Retrieving Core Efficiently and Effectively Wireline and Conventional Core Barrels]]></title><link><![CDATA[https://ksqdrilling.en.ec21.com/Retrieving_Core_Efficiently_and_Effectively--11913418_11934903.html]]></link><description><![CDATA[Retrieving core efficiently and effectively Wireline and Conventional Core Barrels
Product Description
Wireline drill tools can lift drill core from drill rods without picking up bits. All the tools ]]></description><pubDate><![CDATA[20240511]]></pubDate></item>
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<title><![CDATA[Surface Mounted Diamond Drill Bits]]></title><link><![CDATA[https://hsaoxing.en.ec21.com/Surface_Mounted_Diamond_Drill_Bits--11919761_11921299.html]]></link><description><![CDATA[bits, are a special process formula that uses electroplating technology to fix and bond diamond sand at the contact point between the drill bit body and the rock. Many people have a misconception in ]]></description><pubDate><![CDATA[20240405]]></pubDate></item>
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<title><![CDATA[Male Female Impregnated Diamond Core Bit Cylindrical BQ NQ]]></title><link><![CDATA[https://bestcorebit.en.ec21.com/Male_Female_Impregnated_Diamond_Core--11854963_11854964.html]]></link><description><![CDATA[used. Consulting with experts or manufacturers can help in selecting the most suitable core bit for a given application.
2,Core Bit Diameter: Impregnated diamond core bits are available in various di]]></description><pubDate><![CDATA[20231016]]></pubDate></item>
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<title><![CDATA[API Tricone Drilling Bit for Oilfield]]></title><link><![CDATA[https://fasterdrillingbit.en.ec21.com/API_Tricone_Drilling_Bit_for--10078504_10078505.html]]></link><description><![CDATA[Us 
Beijing Faster Drilling Tools Limited is a manufactuer of tricone bit,PDC diamond bit ,hole opener,drag bit and other oilfield drilling tools,also carry all major China Manufacturers, such as Kin]]></description><pubDate><![CDATA[20160725]]></pubDate></item>
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<title><![CDATA[Drill Rod]]></title><link><![CDATA[https://heboss888.en.ec21.com/Drill_Rod--11799247_11799250.html]]></link><description><![CDATA[A drill rod is a tool used to connect drill bits and rock drilling in tunnel engineering. The drill rods commonly used in mining and roadway engineering are hexagonal hollow steel and hollow round st]]></description><pubDate><![CDATA[20230530]]></pubDate></item>
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<title><![CDATA[Diamond Oil Drill Bit 5 Blades PDC Core Drill Bits 1 Year Warranty]]></title><link><![CDATA[https://oildrillbit.en.ec21.com/Diamond_Oil_Drill_Bit_5--11898552_11898553.html]]></link><description><![CDATA[BitsMachine TypeDrilling ToolCertificationAPI / ISODiameter3 3/4&quot;~26&quot;Surface TreatmentPolishingAdvantageHigh Performance Applications:Oil Drill Bit is a high-performance tool used in drilling oil wel]]></description><pubDate><![CDATA[20240207]]></pubDate></item>
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<title><![CDATA[Tapered Drill Rods]]></title><link><![CDATA[https://lyzs.en.ec21.com/Tapered_Drill_Rods--10557178_10012816.html]]></link><description><![CDATA[Commodity: Tapered Drill Rods 
Degree: 7&amp;deg;, 11&amp;deg;, 12&amp;deg; 
Shank of bit: H19*82mm, H22*108mm, H25*159mm 
Lengthes: 500mm - 10000mm
We can also supply the drill rods according to the customer&amp;#3]]></description><pubDate><![CDATA[20171011]]></pubDate></item>
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<title><![CDATA[PDC Core Bits, PDC Coring Bits, BQ NQ HQ PQ PDC Bits, NQ3 HQ3 PQ3 PDC Core Bits]]></title><link><![CDATA[https://gzvilong.en.ec21.com/PDC_Core_Bits_PDC_Coring--10772805_11384689.html]]></link><description><![CDATA[bits are widely used in oil, gas, mining, engineering etc drilling fields.
PDC core bits are ideal for use with high powered drill rigs operating at relatively low rotation speeds, Bit drilling life ]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
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<title><![CDATA[Oilfield Tricone Tools Roller Tricone Bits Steel Body]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/Oilfield_Tricone_Tools_Roller_Tricone--11790563_11790616.html]]></link><description><![CDATA[Features and Applications
Use high-quality steel to make the base material of PDC bit, the surface of the blade weld high-performance wear-resistant materials, the use of computer software for the ov]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[PDC Cutter for Oil Drilling Bits]]></title><link><![CDATA[https://omp1.en.ec21.com/PDC_Cutter_for_Oil_Drilling--11709368_11717694.html]]></link><description><![CDATA[used for petroleum and oil field PDC bit, geological PDC exploration bits, gas exploration bits, PDC coal mining drill bits.PDC is mainly applicable for PDC drilling bit for drilling into soft and in]]></description><pubDate><![CDATA[20230131]]></pubDate></item>
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<title><![CDATA[Drill Bit]]></title><link><![CDATA[https://jiuxiao.en.ec21.com/Drill_Bit--3831461_3961357.html]]></link><description><![CDATA[Button Bits The skirt body using the material of 45CrNiMnV(Chromium, Nickel, Manganese, Vanadium)alloy steel, taking the heat-inlay fasten buttons technology, when the drill bit drilling, the drill b]]></description><pubDate><![CDATA[20091125]]></pubDate></item>
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<title><![CDATA[Drag Bit Non-core Bit 4 1/2&quot; Well Drilling Made in China Factory]]></title><link><![CDATA[https://scott1990s.en.ec21.com/Drag_Bit_Non_core_Bit--7977850_8262676.html]]></link><description><![CDATA[Step drag bits
Leading manufacture of varies tugsten carbide(TC)stepped drag bits,such as 2-wings drag bit,3-wings drag bit,4-wings etc.
With ISO certificate &amp;quality control
Stepped drag bit is a dr]]></description><pubDate><![CDATA[20130708]]></pubDate></item>
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<title><![CDATA[MAXDRILL  Top Hammer Tapered Button Bits]]></title><link><![CDATA[https://maxdrill02.en.ec21.com/MAXDRILL_Top_Hammer_Tapered_Button--8458610_8459144.html]]></link><description><![CDATA[Taper button bit is used for hard or very hard rock formation. Excellent quality and durability and Specialized heat treat &amp; stress relief，also Maximum performance and hole cleaning ability. Our bu]]></description><pubDate><![CDATA[20200630]]></pubDate></item>
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<title><![CDATA[Rock Tools - BIT SHANK EX-ROD COUPLING]]></title><link><![CDATA[https://unitek1118.en.ec21.com/Rock_Tools_BIT_SHANK_EX--8426073_8426080.html]]></link><description><![CDATA[used and new drill rigs and accessories.
ROD T45- 3660mm T45-89 BUTTON BIT SFF Sleeve T45 Shank T457610-1143-70 Drill rod 7620-4915-s48 Drill bit 7620-4927-s48 Drill bit 43629 Drill rod GT60x4270 443]]></description><pubDate><![CDATA[20131001]]></pubDate></item>
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<title><![CDATA[HW Diamond Casing Shoe]]></title><link><![CDATA[https://csdrilling.en.ec21.com/HW_Diamond_Casing_Shoe--8382535_9987706.html]]></link><description><![CDATA[bits are of various configurations and meet various needs of local conditions 
5: it offers the most widely-used bit matrices as well 
6: with various specifications, our series matrix range provide ]]></description><pubDate><![CDATA[20160523]]></pubDate></item>
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<title><![CDATA[Tapered Drill Bit]]></title><link><![CDATA[https://smilebaby0114.en.ec21.com/Tapered_Drill_Bit--9337439_9337460.html]]></link><description><![CDATA[bits
Accurate dimension of taper degree perfectly matches the rods
work reliable and very cost-effective
Material
High quality tungsten carbide and Alloy steels
Application
Can be used in gold mine, ]]></description><pubDate><![CDATA[20141230]]></pubDate></item>
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<title><![CDATA[Carbide Buttons]]></title><link><![CDATA[https://zfcarbide.en.ec21.com/Carbide_Buttons--1660150_1644569.html]]></link><description><![CDATA[cutting wheels and non-standard products etc. 
carbide buttons brazed in steel body, as button bits, used for oil/coal mining, drilling industry. 
carbide tips, carbide inserts, carbide mining tips
]]></description><pubDate><![CDATA[20151203]]></pubDate></item>

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