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<title><![CDATA[EC21 Product Catalogs - shale]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/shale--2644/1/shale.html]]></link><item>
<title><![CDATA[8 1/2&quot; Tricone Bits Insert Tooth for Water Well Drilling Machinery Parts]]></title><link><![CDATA[https://scott1990s.en.ec21.com/8_1_2_Tricone_Bits--7977811_8261619.html]]></link><description><![CDATA[shale, mudstone, soft limestone, sandstone, etc.Nozzles: 3 pcs 2, Packing:Packing: Wooden case(fumigation)Packing size: 43.27.27 CMG.W(bit,pack) (KG): 50 KG per PCS 3,Transport:Transport: By plane,Sh]]></description><pubDate><![CDATA[20130708]]></pubDate></item>
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<title><![CDATA[BQ Impregnated Diamond Core Bit]]></title><link><![CDATA[https://csdrilling.en.ec21.com/BQ_Impregnated_Diamond_Core_Bit--8382535_9984930.html]]></link><description><![CDATA[shale, siltstone, cypsum
HRC48~50
Soft
Very high
Ash stone, coal, argillite, volcanics, sandy pebble
HRC45~48
Medium soft
Very high
Sandstone, sandy shale, lithoid, limestone, limonite sandstone
HRC4]]></description><pubDate><![CDATA[20160520]]></pubDate></item>
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<title><![CDATA[Diamond Impregnated Bits, Diamond Core Bits, Impregnated Bits AQ BQ NQ HQ PQ]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Diamond_Impregnated_Bits_Diamond_Core--10772805_10772810.html]]></link><description><![CDATA[Shale,Siltstone, Cypsum
Medium
Soft
HRC 50
GV1#
Ash Stone, Coal, Argilite,, Volcanics, Sandy Pebble
Very High
Soft
HRC 48-50
GV1/ GV2
Sandstone, Sandy Shale, Lithoid, Limestone, Limonite Sandstone
Ve]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
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<title><![CDATA[Tci Tricone Roller Drill Bit for Water Well Drilling]]></title><link><![CDATA[https://bhscrap.en.ec21.com/Tci_Tricone_Roller_Drill_Bit--11225651_11235958.html]]></link><description><![CDATA[low compressive strength and harder abrasive stringers,such 
as hard shale,hard gypsolyte,soft limestone,sandstone and dolomite with 
stringers,etc.
Weight
120kg
Industrial standard
SY/T5164
MOQ
20]]></description><pubDate><![CDATA[20230403]]></pubDate></item>
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<title><![CDATA[Reliable TCI Rotary Tricone Drill Bit with Sealed Bearing for Hard Rock Stone Blasting]]></title><link><![CDATA[https://amyzhang86.en.ec21.com/Reliable_TCI_Rotary_Tricone_Drill--11743960_11750445.html]]></link><description><![CDATA[shale, soft limestone, sandstone, gravel clay, soft dolimite, coal. 432/4351000-400090-120Conical/Chisel on gage, Conical inner rows Designed for very soft formations with low compressive strength an]]></description><pubDate><![CDATA[20230317]]></pubDate></item>

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