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<title><![CDATA[EC21 Product Catalogs - diameter reduce tools]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/diameter_reduce_tools--2644/1/diameter reduce tools.html]]></link><item>
<title><![CDATA[Api Standard 244.5mm IADC 637 Rock Drill Tricone Bits with Tungsten Carbide Inserts]]></title><link><![CDATA[https://senwell2008.en.ec21.com/Api_Standard_244.5mm_IADC_637--9714769_9714800.html]]></link><description><![CDATA[Products Specification
There are rich and diverse roller bits to meet different requirements of formations and rotary speeds. The sizes of the gage diameter and the types of bit are strictly designed]]></description><pubDate><![CDATA[20170304]]></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[Diameter
4 1/2 &quot; (114.3 mm)
Wall Thickness
0.337 Inch (8.56 mm)
Thread
NC50
Steel Grade
S135
Tool Joint OD
6 5/8 Inch(168.3mm)
Tool Joint
4137H
Thread treatment
Phosphorization,copper plating
Apply t]]></description><pubDate><![CDATA[20240110]]></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[tool that is designed to handle the most challenging drilling conditions. It has a robust construction that is able to withstand high pressure and temperature. Moreover, it is designed to reduce vibr]]></description><pubDate><![CDATA[20240207]]></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[tool joint). Among assemblies, it is generally added between drill pipe and drill collar to prevent sudden changes in cross-section of drill string, and reduce its fatigue. Using it to replace part o]]></description><pubDate><![CDATA[20200523]]></pubDate></item>

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