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<title><![CDATA[EC21 Product Catalogs - rollers price]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/rollers_price--2644/1/rollers price.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[roller palm, drag bit etc, and also other drilling accessories.
We can design and manufacture according to customer’s requirement, and provide good quality and best price.
We have many customers fr]]></description><pubDate><![CDATA[20240627]]></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[Product Description:Oil Drill Bit is a versatile drilling tool used for drilling oil wells. It is available in two types: roller cone and PDC (polycrystalline diamond compact). Oil Drill Bit is suita]]></description><pubDate><![CDATA[20240207]]></pubDate></item>
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<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[8.5inch IADC127 Steel Tooth Tricone Bit for Drilling Well]]></title><link><![CDATA[https://scott1990s.en.ec21.com/8.5inch_IADC127_Steel_Tooth_Tricone--7977583_7978275.html]]></link><description><![CDATA[price 3.good after-sales service 4.adequate stocks,fast delivery 5.IADC127 
1,Structure features:
1. Rolling seal bearing structure, cylindrical roller cone in slots in the body, increasing the shaft]]></description><pubDate><![CDATA[20130507]]></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[roller bit2Standard open bearing roller bit, air-cooled3Standard open bearing roller bit with gauge protection4Sealed roller bearing bit5Sealed roller bearing bit with gauge protection6Journal sealed]]></description><pubDate><![CDATA[20230309]]></pubDate></item>

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