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<title><![CDATA[EC21 Product Catalogs - drilling grade]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/drilling_grade--2644/1/drilling grade.html]]></link><item>
<title><![CDATA[Tungsten Carbide Hard Scrap for Sale]]></title><link><![CDATA[https://over123.en.ec21.com/Tungsten_Carbide_Hard_Scrap_for--12070572_12072150.html]]></link><description><![CDATA[grade)Form Available:
Solid carbide tips
End mill scraps
Used inserts
Drilling tools
Mixed carbide pieces (non-magnetic)Origin: ThailandInspection: SGS or equivalent third-party inspection accepted.
]]></description><pubDate><![CDATA[20260519]]></pubDate></item>
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<title><![CDATA[11 Degree Shank 22 X 108mm Small Hole Drilling Taper Drill Rod for Jack Hammer]]></title><link><![CDATA[https://ksqdrilling.en.ec21.com/11_Degree_Shank_22_X--11913418_11934902.html]]></link><description><![CDATA[drill rod connect with button bits perfectly for drilling holes
2.Stable and mature welding technology ensure high quality of bits
3.Accurate dimension of taper degree perfectly matches the button bi]]></description><pubDate><![CDATA[20240511]]></pubDate></item>
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<title><![CDATA[Impregnated Diamond Bit]]></title><link><![CDATA[https://hsaoxing.en.ec21.com/Impregnated_Diamond_Bit--11919761_11921306.html]]></link><description><![CDATA[drill bits are diamond specifications, like type, size, concentration and grade, as well as matrix hardness type and crown shapes, which are selected according to the hardness and abrasiveness of the]]></description><pubDate><![CDATA[20240405]]></pubDate></item>
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<title><![CDATA[Norris  Sucker Rod / Pony Rod  for Oilfeld]]></title><link><![CDATA[https://277064914.en.ec21.com/Norris_Sucker_Rod_Pony_Rod--8890592_8895527.html]]></link><description><![CDATA[Breif Introduction 
Sucker rod is a importent componet part in oil drilling engineering, we product Grade D, Grade KD,Grade HY and Grade HL, according to the different well condision environment.the ]]></description><pubDate><![CDATA[20240318]]></pubDate></item>
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<title><![CDATA[89mm Threaded Water Well Drill Pipe]]></title><link><![CDATA[https://tontandrill.en.ec21.com/89mm_Threaded_Water_Well_Drill--11886458_11886460.html]]></link><description><![CDATA[Grade:
E75/R780
Length: 
R1~R3 (2~12.5 meters)
Tool joint:
35CrMo
Thickness:
9.19 mm( 10.4 LB/FT ) 
Thread type:
NC31
Thread treatment:
Phosphorization,
Safe drilling depth:
Within 1000 meters
Suitab]]></description><pubDate><![CDATA[20240110]]></pubDate></item>
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<title><![CDATA[API Standard S135 5]]></title><link><![CDATA[https://senwell2008.en.ec21.com/API_Standard_S135_5--9714769_9714807.html]]></link><description><![CDATA[Usage:As the major part of drill stem, drill pipe connected with Kelly and drill collar, which is used to put torque to drill bit and drill collar.
Material:G105, S135, X95, Grade E etc.
Standard:Acc]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[MAXDRILL Integral Drill Steel]]></title><link><![CDATA[https://maxdrill02.en.ec21.com/MAXDRILL_Integral_Drill_Steel--8458610_8459203.html]]></link><description><![CDATA[drilling performance.
According to different application, different lengths are available from 600mm to 9600mm usually.
(1)Steel grade: 95CrMo equivalent to SANDBAR 20 or C253, 55SiMnMo
(2)Shank size]]></description><pubDate><![CDATA[20200630]]></pubDate></item>
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<title><![CDATA[API Standard Drill Pipe Integral Heavy Weight Drill Pipes Drilling Pipe Api 5d Drill Pipe]]></title><link><![CDATA[https://10062013.en.ec21.com/API_Standard_Drill_Pipe_Integral--8627001_8627002.html]]></link><description><![CDATA[API 5DP drill pipe for well drilling of Baosteel 
Sandard: API SPEC 5DP, API SPEC 7
Steel grade: E75, X95, G105, S135 
Outside diameter size: 2.375&quot;-6.625&quot;
Calculated weight:6.27-27.70
Weld alternati]]></description><pubDate><![CDATA[20220920]]></pubDate></item>
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<title><![CDATA[NW Diamond Casing Shoe]]></title><link><![CDATA[https://csdrilling.en.ec21.com/NW_Diamond_Casing_Shoe--8382535_9987699.html]]></link><description><![CDATA[drill bits are diamond specifications, like type, size, concentration and grade, as well as matrix hardness type and crown shapes, which are selected according to the hardness and abrasiveness of the]]></description><pubDate><![CDATA[20160523]]></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[grade, matrix hardness and crown shapes etc. Matrix hardness, diamond size and dosing can be varied according to the rock which must be cut. If a driller can make rational selections according to the]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
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<title><![CDATA[Heavy Weight Drill Pipe]]></title><link><![CDATA[https://hbmccarbon68.en.ec21.com/Heavy_Weight_Drill_Pipe--10964119_10995846.html]]></link><description><![CDATA[drill collar to prevent sudden changes in cross-section of drill string, and reduce its fatigue. Using it to replace part of the drill collar can reduce torque, improve load, and increase drilling ab]]></description><pubDate><![CDATA[20200523]]></pubDate></item>
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<title><![CDATA[Oilfield Thread Protector Drilling Well Drill Sucker Rod Polished Rod Pony Rod From China]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/Oilfield_Thread_Protector_Drilling_Well--11790563_11790613.html]]></link><description><![CDATA[Good Quality API 11B Well Oil Drilling Tool Steel Sucker Rod For Sale 
Product Description 
Product Name: sucker rod, polished rod, and accessories
Product Description: Our company produces and opera]]></description><pubDate><![CDATA[20230516]]></pubDate></item>

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