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<title><![CDATA[EC21 Product Catalogs - oil threading inserts]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/oil_threading_inserts--2644/1/oil threading inserts.html]]></link><item>
<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[inserts are cold inset into the working surface of blades including its bevels. Braze welding tungsten carbide grains are also adopted according to customers&amp;rsquo; requirements.
ALSO WE CAN SUPPLY D]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[Tricone Rock Bits, Rock Roller Bits, Roller Cone Bits, Three Cone Bits, TCI Rock Bits, MT Rock Bits]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Tricone_Rock_Bits_Rock_Roller--10772776_10772786.html]]></link><description><![CDATA[insert tooth rock bits size from 4 3/4&quot; to 17 1/2&quot; for water well drilling as below:
Diameter/Inch 
Bits type (IADC CODE) 
Thread 
4 3/4
114,115,231,241,435,437,445,517,537,637…
2 7/8 API REG Pin
4]]></description><pubDate><![CDATA[20210520]]></pubDate></item>

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