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<title><![CDATA[EC21 Product Catalogs - down hole hammer bits]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/down_hole_hammer_bits--2643/1/down hole hammer bits.html]]></link><item>
<title><![CDATA[Borehole Truck Water Well Drill Machine with Air Compressor for Sale]]></title><link><![CDATA[https://jcdrill.en.ec21.com/Borehole_Truck_Water_Well_Drill--11438071_12016741.html]]></link><description><![CDATA[bit. The power of drilling rig comes from the truck engine; the rig has distribute implement and hydraulic system.
&gt;&gt; Characteristics
&gt;&gt;The drilling rig can use air DTH Hammer drilling and mud drilli]]></description><pubDate><![CDATA[20241012]]></pubDate></item>
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<title><![CDATA[HD-30A Man Portable Drilling Rig (Coring)]]></title><link><![CDATA[https://irinaliudrills.en.ec21.com/HD_30A_Man_Portable_Drilling--9881401_10086189.html]]></link><description><![CDATA[hole.
4. We design and use DTH hammer with interconvertible high-low frequency according to situation of single using DTH hammer (low frequency, big impacting energy) in prospecting drilling project ]]></description><pubDate><![CDATA[20190321]]></pubDate></item>
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<title><![CDATA[Eccentric Drilling Tools with Casing Tube]]></title><link><![CDATA[https://cyndee4125.en.ec21.com/Eccentric_Drilling_Tools_with_Casing--10512304_10512347.html]]></link><description><![CDATA[hole wide enough for the casing tube to slide down behind the reamer.
2. When the required depth is reached, the dill is reversed and the reamer swings in, allowing the bit to pass through the casing]]></description><pubDate><![CDATA[20230810]]></pubDate></item>

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