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<title><![CDATA[EC21 Product Catalogs - formats]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/formats--2644/1/formats.html]]></link><item>
<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--11743955_11743956.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[20230309]]></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[formation structures, including excavation, hole expansion, etc. Different shaped head structures,
Thread: R32
Diameter: 43-127mm
Head shape: flat face, pilot ,dome
button:spherical,ballistic ,pike
f]]></description><pubDate><![CDATA[20250305]]></pubDate></item>
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<title><![CDATA[Maxdrill High Quality Plug Hole Drill Rods]]></title><link><![CDATA[https://juliewang6.en.ec21.com/Maxdrill-High-Quality-Plug-Hole--12036652_12036653.html]]></link><description><![CDATA[formations, longer service life to decrease use costs for users.
Dimensions L Dimensions D Part no. mmftinmmin230-9 1/8227/801220231250-9 7/8227/801220251300-11 7/8227/80122030135011 3/4227/801220351]]></description><pubDate><![CDATA[20250114]]></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[formation rock when rotating.
Strong and durable：
Can adapt to soft, medium, hard, all kinds of strata.
Complete variety：
Various products, complete specifications, can be customized.
Costomer se]]></description><pubDate><![CDATA[20240627]]></pubDate></item>
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<title><![CDATA[75U-3 Full Hydraulic Underground Core Drill Rig]]></title><link><![CDATA[https://coredrillpros.en.ec21.com/75U-3-Full-Hydraulic-Underground--11951642_11951649.html]]></link><description><![CDATA[formations. This advanced system allows operators to precisely control the drilling speed and depth, ensuring accurate drilling results with minimal downtime.
The 75U-3 Full Hydraulic Underground Cor]]></description><pubDate><![CDATA[20240614]]></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[formation rock when rotating.
Strong and durable：
Can adapt to soft, medium, hard, all kinds of strata.
Complete variety：
Various products, complete specifications, can be customized.
Costomer se]]></description><pubDate><![CDATA[20240604]]></pubDate></item>
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<title><![CDATA[Impregnated Diamond Bit]]></title><link><![CDATA[https://hsaoxing.en.ec21.com/Impregnated-Diamond-Bit--11919761_11921306.html]]></link><description><![CDATA[formation to be drilled. If user can make rational selections according to the rock formations, then they can get satisfied drilling performance on various formations with different hardness.Features]]></description><pubDate><![CDATA[20240405]]></pubDate></item>
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<title><![CDATA[BESTONE QL,DHD Shank Dth Bits,Dth Hammer Bits DTH Drilling Hammer Bit]]></title><link><![CDATA[https://bestone523.en.ec21.com/BESTONE-QL-DHD-Shank-Dth--11658402_11907156.html]]></link><description><![CDATA[parabolic/semi-ballistic, ballistic,sharp and flat buttonRock Applications: very hard and abrasive rock formation, medium-hard and homogeneous formation, soft rock and fissured rock formations
]]></description><pubDate><![CDATA[20240228]]></pubDate></item>
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<title><![CDATA[4 1/2 Inch Oil and Gas Well Drill Pipe]]></title><link><![CDATA[https://tontandrill.en.ec21.com/4-1-2-Inch-Oil--11886458_11886463.html]]></link><description><![CDATA[formations, deep layers, high-temperature, and high-pressure environments, demonstrating stable and reliable performance.
Technical Specifications
Outside Diameter
4 1/2 &quot; (114.3 mm)
Wall Thickness
0]]></description><pubDate><![CDATA[20240110]]></pubDate></item>
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<title><![CDATA[High Precision Customized Metal Steel Forging Parts Machining Forging Fitting Parts]]></title><link><![CDATA[https://hengzheng8.en.ec21.com/High-Precision-Customized-Metal-Steel--11824084_11824120.html]]></link><description><![CDATA[Format
Standard Style or Step, STP, Gis, CAD, Pdf, Dwg
Certificate
ISO9001:2015
Monthly Capacity
100000PCS
Shape
Sheet
Size
Customized
Transport Package
Carton or Customized
Specification
Customized
]]></description><pubDate><![CDATA[20230724]]></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[formation being drilled, the desired core sample quality, drilling conditions (such as depth and temperature), and the type of drilling equipment being used. Consulting with experts or manufacturers ]]></description><pubDate><![CDATA[20231016]]></pubDate></item>
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<title><![CDATA[Tubing and Casing Screen Pipe/Well Screen Sand Rod Base Screens]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/Tubing-and-Casing-Screen-Pipe--11790563_11790618.html]]></link><description><![CDATA[formation
sand;+
2, heat resistance: 150 °C
3, outer diameter: o 73mm 4, the total length of : 2600mm+
Filtering accuracy can be adjusted according to the size of sand
formation.
Our Raleted Product]]></description><pubDate><![CDATA[20230516]]></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[formation drilling.
Sections through hardfacing.
HF 2000
Trapezoidal tungsten carbide inserts held in a sintered carbidenickel bronze matrix. This will give a greater depth of carbidecoverage &amp;ndash;]]></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--10772805_11384689.html]]></link><description><![CDATA[bits: 
Good cuttingFast penetrationLong drilling lifeWe made Q series of PDC coring bits including BQ NQ HQ PQ etc sizes currently, which are widely used for soft to medium hard rock formations.
]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
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<title><![CDATA[Tci Tricone Roller Drill Bit for Water Well Drilling]]></title><link><![CDATA[https://bhscrap.en.ec21.com/Tci-Tricone-Roller-Drill-Bit--11225651_11235958.html]]></link><description><![CDATA[formation
medium
soft with low compressive strength and harder abrasive stringers,such 
as hard shale,hard gypsolyte,soft limestone,sandstone and dolomite with 
stringers,etc.
Weight
120kg
Industrial]]></description><pubDate><![CDATA[20230403]]></pubDate></item>
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<title><![CDATA[ODEX Casing Drilling System(ODEX90,ODEX115)]]></title><link><![CDATA[https://hncsthzj.en.ec21.com/ODEX-Casing-Drilling-System-ODEX90--4293202_4303576.html]]></link><description><![CDATA[formation is overburden and need casing tube to support. 2.Flexible to open and close. 
Application Range
It is suitable for drilling water wells,geothermal wells, short mircopiles medium mini-type g]]></description><pubDate><![CDATA[20130115]]></pubDate></item>
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<title><![CDATA[Drag Bit 6&quot; Step Type Three Wing Bit for Soft Ground Surface Drilling Manufactrurer]]></title><link><![CDATA[https://scott1990s.en.ec21.com/Drag-Bit-6-Step--7977850_8262615.html]]></link><description><![CDATA[formations such as sand,clay or some soft rock. Type: Chevron and Step type Wings: 2, 3 and 4 wings Size: 3&quot; to 24&quot; Thread: 2 3/8&quot;, 3 1/2&quot;, 4 1/2&quot;, 6 5/8&quot; API Reg. Pin Type: Chevron and Step type Win]]></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--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[NW Diamond Casing Shoe]]></title><link><![CDATA[https://csdrilling.en.ec21.com/NW-Diamond-Casing-Shoe--8382535_9987699.html]]></link><description><![CDATA[formation to be drilled. If user can make rational selections according to the rock formations, then they can get satisfied drilling performance on various formations with different hardness. 
Featur]]></description><pubDate><![CDATA[20160523]]></pubDate></item>

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