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<title><![CDATA[EC21 Product Catalogs - 8 1 2 drill bit]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/8_1_2_drill_bit--2643/1/8 1 2 drill bit.html]]></link><item>
<title><![CDATA[8 1/2&quot;Great Drill Bit Tricone Bit]]></title><link><![CDATA[https://greatbit21.en.ec21.com/8_1_2_Great_Drill--11608850_11674044.html]]></link><description><![CDATA[TCI bit adopts high-strength and high-toughness hard alloy teeth, optimized design of tooth row number, tooth number, tooth exposure height, and unique alloy tooth shape, giving full play to TCI bit&apos;]]></description><pubDate><![CDATA[20230227]]></pubDate></item>
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<title><![CDATA[Drill Rods &amp; Casing Pipe]]></title><link><![CDATA[https://tsdiao.en.ec21.com/Drill_Rods_Casing_Pipe--5500758_5500815.html]]></link><description><![CDATA[drilling water reach to the Bit, and also conveying the rapid cooling or slime.
Item
Length
O.D
I.D.
Remarks
P DRILL RODS
3000mm
Min. 114.3 mm Max. 114.5 mm
Min. 101.6 mm Max. 101.80 mm
H DRILL RODS
]]></description><pubDate><![CDATA[20231017]]></pubDate></item>
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<title><![CDATA[Drill Pipe Wiper Foam Balls]]></title><link><![CDATA[https://merittr34.en.ec21.com/Drill_Pipe_Wiper_Foam_Balls--11284360_11284361.html]]></link><description><![CDATA[120.70mm to 50.8mm)
· Minimum Restriction: 0.875” (22.2mm)
· Material: Natural Rubber
· Elongation at Break: 920%
· Tensile Strength: 28N/m2
· Heat/Cold Consistency: +80°C/-40°C
That drillpi]]></description><pubDate><![CDATA[20250322]]></pubDate></item>
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<title><![CDATA[Maxdrill 12 Inch IADC 127/537 Tricone Bit for Water Well Drilling]]></title><link><![CDATA[https://juliewang6.en.ec21.com/Maxdrill_12_Inch_IADC_127--12032263_12032264.html]]></link><description><![CDATA[Drilling
Product Show
Products Description 
IADC codePin ConnectionDiameter(mm)product weight(kg)Weight on Bit(lbs)Air Back PressureRotary Speed5423 1/2&quot;API1712113500-337500.2-0.4MPa110-80RPM6323 1/2]]></description><pubDate><![CDATA[20241220]]></pubDate></item>
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<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[Drilling Method
DTH &amp; Mud Rotary
DTH &amp; Mud Rotary
Hole Depth
m
800
800
Hole Diameter
mm
Φ140—Φ650
Φ140—Φ650
Rotation
Rotation Torque
Nm
9600 1st Gear
9600 1st Gear
14500 2nd Ger
14500 2nd Ger]]></description><pubDate><![CDATA[20241012]]></pubDate></item>
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<title><![CDATA[Drill Pipe Tong ZQ203-100 Idler Shaft 0102-05M | RUSHI]]></title><link><![CDATA[https://klk455.en.ec21.com/Drill_Pipe_Tong_ZQ203_100--11872763_11872771.html]]></link><description><![CDATA[28A-02-10
hydraulic seal 2.4.99.02.055
Output module SIPLUS SM 332 Siemens 6AG1 332-5HD01-7AB0
Driller reset valve ZJMR6-L6-F special pneumatic control element for drilling rig
NJ2216.W-JPN (NSK) Bea]]></description><pubDate><![CDATA[20231203]]></pubDate></item>
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<title><![CDATA[Drilling Rigs LZ120]]></title><link><![CDATA[https://sddydriil.en.ec21.com/Drilling_Rigs_LZ120--9472420_9483811.html]]></link><description><![CDATA[drilling operation, such as directional and vertical drilling, horizontal drilling, correcting deviation, coring, reaming, sidetracking, etc. 
We can supply the downhole motors(2-3/8&quot;OD to 11 1/4&quot;OD)]]></description><pubDate><![CDATA[20150424]]></pubDate></item>
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<title><![CDATA[HD-40a Man Portable Drilling Rig]]></title><link><![CDATA[https://irinaliudrills.en.ec21.com/HD_40a_Man_Portable_Drilling--9881401_10086191.html]]></link><description><![CDATA[Drilling method
Depth
Pipe（dia.*len.）
(mm)
Drilling bit
Mud drilling
40 m
φ60×1500
75/90mm
Air drilling
40 m
φ60×1500
75/82mm
Auger drilling
20 m
φ50×φ90×1500
90mm
Casing drilling
30 m
Ф]]></description><pubDate><![CDATA[20190321]]></pubDate></item>
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<title><![CDATA[High Air Pressure DTH Hammers]]></title><link><![CDATA[https://lyzs.en.ec21.com/High_Air_Pressure_DTH_Hammers--10557317_10557363.html]]></link><description><![CDATA[drilling equipment with reliable capability.
High air pressure DTH hammer: 3&quot;, 4&quot;, 5&quot;, 6&quot;, 8&quot;, 10&quot;, 12&quot; 
ND85A High air pressure DTH hammers:
It is a kind of most advanced high air pressure DTH hamme]]></description><pubDate><![CDATA[20171113]]></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[Drilling continues to the desired depth using conventional DTH equipment.
3&apos;&apos; PGZ82-3.5-108/6: shank for TND-IR3.5 / DHD3.5 / TD3.5 hammer
PGZ90-3.5-114/6: shank for TND-IR3.5 / DHD3.5 / TD3.5 hammer]]></description><pubDate><![CDATA[20230810]]></pubDate></item>
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<title><![CDATA[JKS400SH Crawler Mounted Telescoping Mast Drill Rig]]></title><link><![CDATA[https://jkdrilling.en.ec21.com/JKS400SH_Crawler_Mounted_Telescoping_Mast--10840176_10840214.html]]></link><description><![CDATA[Drill Rig Supplier
and Crawler Mounted Drill Rig Factory
Rated Drilling Depth
400m
Borehole Diameter
140~350mm
Engine Power
92kW
Max. Lifting Force
20T
Axial Pressure
± 8T
Lifting Force of Small Win]]></description><pubDate><![CDATA[20200725]]></pubDate></item>
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<title><![CDATA[EBZ260A Rock Tunneling Boring Machine,Rock Roadheader,Boom-Type Rock Tunneling Machine]]></title><link><![CDATA[https://zxroadheader.en.ec21.com/EBZ260A_Rock_Tunneling_Boring_Machine--10941102_10941134.html]]></link><description><![CDATA[drill drive device, driving one or two machine to operate.
8. Optional climbing assisting device, make the climbing reach 25 degrees.
Technical parameters 
Model
EBZ260A
Weight （t）
95
Overall dim]]></description><pubDate><![CDATA[20230905]]></pubDate></item>
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<title><![CDATA[Hexagonal Kelly]]></title><link><![CDATA[https://hbmccarbon68.en.ec21.com/Hexagonal_Kelly--10964119_10995843.html]]></link><description><![CDATA[2½）
11280
12190
63.5
83.3
82.55
7.9
41.3
11.43
（65/8）REG
(4½)
REG
196.9
146.1
406.4
186.1
134.5
NC26
(23/8IF)
85.7
508
82.9
31.8
76.2
3
11280
12190
76.2
100
98.43
9.5
49.2
11.43
（65/8）REG]]></description><pubDate><![CDATA[20200523]]></pubDate></item>

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