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<title><![CDATA[EC21 Product Catalogs - drill bit sets]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/drill-bit-sets--2644/1/drill bit sets.html]]></link><item>
<title><![CDATA[YT24/YT27/YT28/YT29A Handheld Rock Drilling Machine Supplier Jack Hammer On Sale]]></title><link><![CDATA[https://bestone523.en.ec21.com/YT24-YT27-YT28-YT29A-Handheld--11962094_11966986.html]]></link><description><![CDATA[Drilling Machine Correctly
Preparation before operation
1. 
Make sure the rock drill and its accessories (such as drill bit, air pipe, cable, etc.) are intact. Then choose the appropriate drill bit a]]></description><pubDate><![CDATA[20240711]]></pubDate></item>
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<title><![CDATA[RC543 Reverse Circulation Dth Drill Bits for Deep Exploration Drilling]]></title><link><![CDATA[https://ksqdrilling.en.ec21.com/RC543-Reverse-Circulation-Dth-Drill--11913418_11934901.html]]></link><description><![CDATA[drill bit, the same hammer can drill holes of different sizes ensuring that the sample is not contaminated.
5. In difficult condition such as loose soil, hard rock and plenty of water exists, samplin]]></description><pubDate><![CDATA[20240511]]></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--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[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[drillingin abrasiveformations.
Sections through hardfacing.
HF 3000
Tungsten carbide inserts set in a powder spray deposit idealfor abrasive formations. 97% bonding guaranteed, certified byultrasonic]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[High Quality Low Air Compressure DTH Mining Drill Bit CIR 50,60,65,70,90,110,130,150,170]]></title><link><![CDATA[https://liners.en.ec21.com/High-Quality-Low-Air-Compressure--10699845_10717351.html]]></link><description><![CDATA[High Quality low air compressure DTH Mining Drill Bit CIR 50,60,65,70,90,110,130,150,170
Product Description
Related Product
Low Air Pressure DTH Hammers
Packaging &amp; Shipping
Certifications
Trade Sho]]></description><pubDate><![CDATA[20180428]]></pubDate></item>
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<title><![CDATA[API Tricone Drilling Bit for Oilfield]]></title><link><![CDATA[https://fasterdrillingbit.en.ec21.com/API-Tricone-Drilling-Bit-for--10078504_10078505.html]]></link><description><![CDATA[Drilling Tools Limited is a manufactuer of tricone bit,PDC diamond bit ,hole opener,drag bit and other oilfield drilling tools,also carry all major China Manufacturers, such as Kingdream and Beste fa]]></description><pubDate><![CDATA[20160725]]></pubDate></item>
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<title><![CDATA[Tapered Drill Rods]]></title><link><![CDATA[https://lyzs.en.ec21.com/Tapered-Drill-Rods--10557178_10012816.html]]></link><description><![CDATA[bit is 7 degree, if the user require other taperer butten bit, we can design it for you. 
3.If the hole depth is deeper than 2.5m, please use the set of rods, firstly,using shorter drill rods, then t]]></description><pubDate><![CDATA[20171011]]></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[drill rigs operating at relatively low rotation speeds, Bit drilling life and penetration can be much better compared with surface set bits.
Key advantages of PDC core bits: 
Good cuttingFast penetra]]></description><pubDate><![CDATA[20210520]]></pubDate></item>

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