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<title><![CDATA[EC21 Product Catalogs - high medium]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/high_medium--2644/1/high medium.html]]></link><item>
<title><![CDATA[Maxdrill High Performance R32 102mm Reaming Drill Bit]]></title><link><![CDATA[https://juliewang6.en.ec21.com/Maxdrill_High_Performance_R32_102mm--12034560_12036651.html]]></link><description><![CDATA[Maxdrill High Performance R32 102mm Reaming Drill bit
Reaming tools:
Product DespcriptionRemarks:
Hemispherical-66(Usually for very hard rocks)
Ballistic-65(Ususally for medium hard rocks)
Semiballis]]></description><pubDate><![CDATA[20250114]]></pubDate></item>
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<title><![CDATA[Piston Rod Seal]]></title><link><![CDATA[https://langno.en.ec21.com/Piston_Rod_Seal--12031930_12031933.html]]></link><description><![CDATA[high pressure resistance, allows larger extrusion clearance.
Working condition
pressure: ≤70Mpa
speed: ≤0.5m/s
temperature: -40℃～+110℃
Medium: hydraulic oil, emulsion, water
Maximum extrusi]]></description><pubDate><![CDATA[20241218]]></pubDate></item>
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<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[High quality raw materials ：
Strictly in accordance with the standards, carefully select materials, refused to jerry-built, reliable quality.
Good wear resistance：
The roller bit has the function]]></description><pubDate><![CDATA[20240627]]></pubDate></item>
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<title><![CDATA[Best Selling Worldwide PDC Bit Steel Pdc Mill Drilll Bit for Limestone]]></title><link><![CDATA[https://yalunzuntou.en.ec21.com/Best_Selling_Worldwide_PDC_Bit--11940816_11946784.html]]></link><description><![CDATA[High quality raw materials ：
Strictly in accordance with the standards, carefully select materials, refused to jerry-built, reliable quality.
Good wear resistance：
The roller bit has the function]]></description><pubDate><![CDATA[20240604]]></pubDate></item>
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<title><![CDATA[T38 64mm 76mm Hard Rock Drilling Bits Thread Button Drill Bits]]></title><link><![CDATA[https://ksqdrilling.en.ec21.com/T38_64mm_76mm_Hard_Rock--11913418_11913419.html]]></link><description><![CDATA[T38 64mm 76mm Hard Rock Drilling Bits Thread Button Drill Bits
Product Description
The thread button drill bits
are made by high quality alloy steel bar and tungsten carbides. Through heat treatment,]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[API Standard AISI 4145H Mod Drilling Stabilizer for Oilwell]]></title><link><![CDATA[https://senwell2008.en.ec21.com/API_Standard_AISI_4145H_Mod--9714769_9715051.html]]></link><description><![CDATA[highly automated way of applying hard faceand utilizes a combined arc/plasma stream on the work piecesurface. This results is low base metal dilution and a dense,uniform coating, the filling medium c]]></description><pubDate><![CDATA[20170304]]></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[high pressure and high temperature. The cutters of the PDC coring bits has high hardness, wear resistance and great tenacity, this drill bits are widely used in oil, gas, mining, engineering etc dril]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
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<title><![CDATA[4&apos;&apos;Button Bit From  Factory with Great Price]]></title><link><![CDATA[https://cyndee4125.en.ec21.com/4_Button_Bit_From_Factory--10512257_10512651.html]]></link><description><![CDATA[medium-hard and moderately abrasive rock.
4. Convex front Ballistic 
Application: For drilling at high penetration rates in non-abrasive rock.
5. Concave front Spherical.
Application: For drilling in]]></description><pubDate><![CDATA[20230810]]></pubDate></item>
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<title><![CDATA[Crusher Spare Parts Bowl Liner  Crusher Parts Concave]]></title><link><![CDATA[https://lydiayfbucket.en.ec21.com/Crusher_Spare_Parts_Bowl_Liner--11865710_11865742.html]]></link><description><![CDATA[Basic Info.Model NO.CH, CS, GP, HP seriesStandardGB, ASTMSurface TreatmentPolishingManufacturing ProcessCastingMaterialHigh Manganese SteelColorWhite/Blue/Grey/CustomizedCapacity10,000ton/YearApplica]]></description><pubDate><![CDATA[20231113]]></pubDate></item>
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<title><![CDATA[Heavy Weight Drill Pipe]]></title><link><![CDATA[https://hbmccarbon68.en.ec21.com/Heavy_Weight_Drill_Pipe--10964119_10995846.html]]></link><description><![CDATA[Heavy Weight Drill Pipe
Heavy weight drill pipe is a medium-weight drill tool similar to drill pipe, whose wall is thicker than that of drill pipe and thinner than that of drill collar. Its tube is c]]></description><pubDate><![CDATA[20200523]]></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[high-performance wear-resistant materials, the use of computer software for the overall design of Asymmetric double teeth straight blade, medium parabolic crown, long gage shape structure. Cutting st]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[735 Mining Drill Heads, Tungsten Carbide Rock Drilling Cone Bit for Hard Rock Formation High Quality]]></title><link><![CDATA[https://amyzhang86.en.ec21.com/735_Mining_Drill_Heads_Tungsten--11743955_11743956.html]]></link><description><![CDATA[high friablity such as shale, soft limestone, sandstone, interbedded dolomite. 612/6153000-500060-100Conical/Spherical on gage, Conical inner rows Designed for high compressive strength, medium hard ]]></description><pubDate><![CDATA[20230309]]></pubDate></item>
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<title><![CDATA[Shank Adapter]]></title><link><![CDATA[https://jiuxiao.en.ec21.com/Shank_Adapter--3831461_3831470.html]]></link><description><![CDATA[length:380mm-460mm;
diameter:31.7mm-48mm;
thread:R, T;
flushing hole:8.0mm-16mm;
Our different levels of products choose the high-qualitied medium carbon alloy steel and medium carbon steel,use advan]]></description><pubDate><![CDATA[20090920]]></pubDate></item>
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<title><![CDATA[NW BW HW PW PDC Diamond Core Bit for Water Well/Gas/Blast Hole Drilling]]></title><link><![CDATA[https://scott1990s.en.ec21.com/NW_BW_HW_PW_PDC--7977850_8263042.html]]></link><description><![CDATA[high wear resistance and impact resistant, long drilling life, drilling efficiency can be promoted sharply in penetration of soft medium and medium-hard formation, laber intensity can be reduced.
Spe]]></description><pubDate><![CDATA[20130708]]></pubDate></item>
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<title><![CDATA[MAXDRILL Top Hammer  Thread Button Bit]]></title><link><![CDATA[https://maxdrill02.en.ec21.com/MAXDRILL_Top_Hammer_Thread_Button--8458610_8458611.html]]></link><description><![CDATA[Thread Button bits made with high quality of the best quality alloy steel and tungsten carbides,through heat treatment so that it can withstand the toughest rock drilling demands,and transmit intensi]]></description><pubDate><![CDATA[20200630]]></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[Medium
Clay, shale, siltstone, cypsum
HRC48~50
Soft
Very high
Ash stone, coal, argillite, volcanics, sandy pebble
HRC45~48
Medium soft
Very high
Sandstone, sandy shale, lithoid, limestone, limonite s]]></description><pubDate><![CDATA[20160523]]></pubDate></item>

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