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<title><![CDATA[EC21 Product Catalogs - 8 bit]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/8_bit--2644/1/8 bit.html]]></link><item>
<title><![CDATA[High Quality Bit API 8 1/2&apos;&apos;Steel Tooth Tricone Bit for Clay Steel Tooth Tricone Drill Bit]]></title><link><![CDATA[https://yalunzuntou.en.ec21.com/High_Quality_Bit_API_8--11940816_11944798.html]]></link><description><![CDATA[Applicable Industries：Manufacturing Plant, Machinery Repair Shops, Farms, Construction works , Energy &amp; Mining
Weight (KG)：45
FOUNDEDIN 2008
Our main products are tricone bitPDC bit, drag bit, HD]]></description><pubDate><![CDATA[20240530]]></pubDate></item>
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<title><![CDATA[7 5/8&quot; PDC Bit]]></title><link><![CDATA[https://azgreat25.en.ec21.com/7_5_8_PDC_Bit--11503029_11507573.html]]></link><description><![CDATA[use high quality steel to make the base material of PDC bit,
● It is made of AISI 4145H round steel and has heat treated.
● Machine internal threads between the connection of the fitting and the ]]></description><pubDate><![CDATA[20220110]]></pubDate></item>
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<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[bit 8 1/2&quot; IADC 437/517/537Material: 15CrNi4MOCutting element: Tungsten Carbide alloy teethSize: 215.9 mmIADC: 437/517/537Bearing Type: Rubber sealed journal bearingThread Connection: 4 1/2 REGWOB(KN]]></description><pubDate><![CDATA[20130708]]></pubDate></item>
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<title><![CDATA[7/8 buttons 32mm/34mm/38mm 7 Degree 11 degree 12degree Tapered Button Bit]]></title><link><![CDATA[https://smilebaby0114.en.ec21.com/7_8_buttons_32mm_34mm--9337439_9342745.html]]></link><description><![CDATA[1.Tapered connection: 6 7 11 12(deg)
2. Diameter from 33mm to 127mm
3. Skirt: Normal, lengthen, retrac
4. Use:Quarrying, tunneling,underground mining, construction machinery, railway and etc.
]]></description><pubDate><![CDATA[20160715]]></pubDate></item>
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<title><![CDATA[11 Degree H22*108mm Taper Rod 400-6000mm]]></title><link><![CDATA[https://reekerock.en.ec21.com/11_Degree_H22_108mm_Taper--12046530_12046546.html]]></link><description><![CDATA[bit, and the tail is connected to the rock drill, jackhammer, etc., and uses rotation and reciprocating motion to transfer energy.
Diameter：H22
Length: 400-6000mm,
Shank:89/108/159mm
top diameter:1]]></description><pubDate><![CDATA[20250304]]></pubDate></item>
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<title><![CDATA[TR32 45mm Drill Bit for Mining]]></title><link><![CDATA[https://juliewang6.en.ec21.com/TR32_45mm_Drill_Bit_for--12034560_12034566.html]]></link><description><![CDATA[bit TR32
Dimensions
(D)
Flusing hole (mm)
Buttons
(mm)
Angle 
Class 
Part No. 
mm
inch
Front No Size
Gauge No Size
Gauge No Size
Front No Size
45
1 3/4&quot;
3×5
1×5
6×09
3×8
35°
M
3045TR35F09
]]></description><pubDate><![CDATA[20250103]]></pubDate></item>
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<title><![CDATA[CR25 Surface Core Drilling Rig]]></title><link><![CDATA[https://coredrillpros.en.ec21.com/CR25_Surface_Core_Drilling_Rig--11951642_11951651.html]]></link><description><![CDATA[bit drilling, it can be used in the fields of geology, metallurgy, coal mining, nuke industry and hydrology measuring.
The core drill rig of full hydraulic and rotator adopted the technology of wire-]]></description><pubDate><![CDATA[20240614]]></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[8mm (most cost-effective), 8mm-10mm (long service life), 12mm-16mm (super service life)Bit Crown Profiles: “W” profile, “Flat” profile, “Semi-round” profile, “Cross” profile, “Gear ]]></description><pubDate><![CDATA[20240405]]></pubDate></item>
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<title><![CDATA[Male Female Impregnated Diamond Core Bit Cylindrical BQ NQ]]></title><link><![CDATA[https://bestcorebit.en.ec21.com/Male_Female_Impregnated_Diamond_Core--11854963_11854964.html]]></link><description><![CDATA[Product Description 
Optimal Performance In Diamond Exploration Impregnated Diamond Core Bit
Product Description:1, Core Bit Selection: Choosing the correct impregnated diamond core bit is crucial fo]]></description><pubDate><![CDATA[20231016]]></pubDate></item>
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<title><![CDATA[Diamond Oil Drill Bit 5 Blades PDC Core Drill Bits 1 Year Warranty]]></title><link><![CDATA[https://oildrillbit.en.ec21.com/Diamond_Oil_Drill_Bit_5--11898552_11898553.html]]></link><description><![CDATA[Bit range from 3 to 8 blades.
Oil Drill Bit is a high-performance drilling tool that is designed to handle the most challenging drilling conditions. It has a robust construction that is able to withs]]></description><pubDate><![CDATA[20240207]]></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_Tungsten--11743955_11743956.html]]></link><description><![CDATA[8 the hardest.5678Second DigitFORMATION11,2,3 and 4 are further breakdown of formation with 1 being the softest and 4 the hardest.234Third DigitBEARING/SEAL TYPE1Standard open bearing roller bit2Stan]]></description><pubDate><![CDATA[20230309]]></pubDate></item>
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<title><![CDATA[T38 64mm 76mm Hard Rock Drilling Bits Thread Button Drill Bits]]></title><link><![CDATA[https://ksqdrilling.en.ec21.com/T38_64mm_76mm_Hard_Rock--11913418_11913419.html]]></link><description><![CDATA[T38 64mm 76mm Hard Rock Drilling Bits Thread Button Drill Bits
Product Description
The thread button drill bits
are made by high quality alloy steel bar and tungsten carbides. Through heat treatment,]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[Oilfield Tricone Tools Roller Tricone Bits Steel Body]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/Oilfield_Tricone_Tools_Roller_Tricone--11790563_11790616.html]]></link><description><![CDATA[8.125.4connection4-1/2” API Reg6-5/8” API Regmake up torque(kn.m)24.1~26.551.7~56.9Rotary speed(RPM)60~26060~260Weight on bit(KN)25~10030~120max.WOB(KN)130150Flow rate(ips)22~3524~48
Company Info]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[Cone Assembly of API Standard Tricone Rock Drill Bits Used for Mining]]></title><link><![CDATA[https://senwell2008.en.ec21.com/Cone_Assembly_of_API_Standard--9714769_9714770.html]]></link><description><![CDATA[Item: Cone assembly of tricone rock drill bits 
Material: Alloy steel 
IADC code: IADC 537 and the above
Usage: Mining
Size: 8-1/2&quot; ~ 26&quot; (Tricone rock drill bits)
Package: plywood case, individual p]]></description><pubDate><![CDATA[20170505]]></pubDate></item>
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<title><![CDATA[5lz73]]></title><link><![CDATA[https://sddydriil.en.ec21.com/5lz73--9472420_9493152.html]]></link><description><![CDATA[5LZ73 
O.D.(mm):73 
Suitable well size (mm): 95-149 
Thread Type: 2-3/8 REG 
Lobes: 5:6 
Recommended Flow Rate(L/S): 2~5 
Bit Speed Range( R/M): 100-230 
Motor DifferentialPressure(Mpa):2.0 
Operatio]]></description><pubDate><![CDATA[20150430]]></pubDate></item>
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<title><![CDATA[Kimdrill DTH Bits Down the Hole Bits Air Button Bits for Quarry]]></title><link><![CDATA[https://kikoluo.en.ec21.com/Kimdrill_DTH_Bits_Down_the--9481930_9482037.html]]></link><description><![CDATA[Bit Dia.
NO.Air
Gauge
Front
Weight
(mm)
Holes
Buttons
Buttons
(Kg)
85
2
6×φ13
4×φ12
4.2
90
2
6×φ14
4×φ12
4.5
95
2
6×φ14
4×φ13
4.8
100
2
8×φ12
6×φ12
5
105
2
8×φ13
6×φ12
5.5
COP44,D]]></description><pubDate><![CDATA[20240311]]></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[-Product Specification: 
Bearing Type: Sealed Journal 
Sealed Type: Rubber Sealed Bearing/O-ring Sealed Bearing 
Bit IADC: 117,127,137,217,311,317 
Hydraulic Design: 3 Nozzles with Snap Rings 
Pin Co]]></description><pubDate><![CDATA[20160725]]></pubDate></item>
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<title><![CDATA[High Air Pressure DTH Drill Bits]]></title><link><![CDATA[https://lyzs.en.ec21.com/High_Air_Pressure_DTH_Drill--10555896_10557315.html]]></link><description><![CDATA[8&quot;, 10&quot;, 12&quot; 
We can also disign and manufacture the drill bits according to the customer&amp;#39;s detailed requirements. 
High Air Pressure DTH Bits:
Bit dia.(mm)
Part No.
Buttons No.
Splines No.
Hamme]]></description><pubDate><![CDATA[20171023]]></pubDate></item>
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<title><![CDATA[Tricone Rock Bits, Rock Roller Bits, Roller Cone Bits, Three Cone Bits, TCI Rock Bits, MT Rock Bits]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Tricone_Rock_Bits_Rock_Roller--10772776_10772786.html]]></link><description><![CDATA[8 the hardest.
Ⅱ .Second Digit: 1, 2, 3 and 4 are further breakdown of formation with 1 being the softest and 4 the hardest.
Ⅲ .Third Digit: This digit will classify the bit according to bearing/]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
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<title><![CDATA[4&apos;&apos;Button Bit From  Factory with Great Price]]></title><link><![CDATA[https://cyndee4125.en.ec21.com/4_Button_Bit_From_Factory--10512257_10512651.html]]></link><description><![CDATA[4&apos;&apos; Button Bit From Factory with Great Price
Dia.: ø108, ø115, ø121, ø127, ø130 mm
Spline: 6, 8,10, 12
Type: DHD340, SD4, Mission40, QL40, Wooke40
Bit Head Design and selection:
1. Flat front Sp]]></description><pubDate><![CDATA[20230810]]></pubDate></item>
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<title><![CDATA[Kimdrill DTH Bits Down the Hole Drilling Tools COP66 BITS]]></title><link><![CDATA[https://unibusinessjoyce.en.ec21.com/Kimdrill_DTH_Bits_Down_the--5628239_8538619.html]]></link><description><![CDATA[84. DHD series, like DHD3.5, DHD350, DHD340, DHD360, DHD380. QL series, like QL40, QL60. QL80. SD series, SD4, SD5, SD6, SD8, CIR series, like CIR65, CIR70, CIR80, CIR 90, CIR110, CIR110W, CIR150, CI]]></description><pubDate><![CDATA[20240311]]></pubDate></item>
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<title><![CDATA[MAXDRILL  Top Hammer Shank Adaptors]]></title><link><![CDATA[https://maxdrill02.en.ec21.com/MAXDRILL_Top_Hammer_Shank_Adaptors--8458610_8459087.html]]></link><description><![CDATA[8, COP1838, COP1032 and etc)
FURUKAWA (HD715, HD612, HD609, PD200 and etc)
INGERSOLL-RAND (VL140, VL671, YH80A and etc)
TAMROCK (HLX5, HL600, HL500, HL300, HL 700, HL850, HL1000, HL1500 and etc)
(1)S]]></description><pubDate><![CDATA[20200630]]></pubDate></item>
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<title><![CDATA[DTH Hammer, Bit]]></title><link><![CDATA[https://unitek1118.en.ec21.com/DTH_Hammer_Bit--8426073_8626007.html]]></link><description><![CDATA[DTH HAMMER, BIT 
-------------------------------------------------- 
HAMMER
BUTTON BIT
HAMMER
BUTTON BIT
TYPE
TYPE
TYPE
TYPE
SWH090D
4&quot;
&amp;Oslash;105
SWH350
15&quot;
&amp;Oslash;380
SWH090S
4&amp;frac12;&quot;
&amp;Oslash;1]]></description><pubDate><![CDATA[20140304]]></pubDate></item>
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<title><![CDATA[HQ3 Impregnated Diamond Core Bit]]></title><link><![CDATA[https://csdrilling.en.ec21.com/HQ3_Impregnated_Diamond_Core_Bit--8382535_9984950.html]]></link><description><![CDATA[8mm (most cost-effective), 8mm-10mm (long service life), 12mm-16mm (super service life) 
Bit Crown Profiles: &quot;W&quot; profile, &quot;Flat&quot; profile, &quot;Semi-round&quot; profile, &quot;Cross&quot; profile, &quot;Gear profile&quot; 
Waterw]]></description><pubDate><![CDATA[20160520]]></pubDate></item>
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<title><![CDATA[Oilfield Drill Pipe]]></title><link><![CDATA[https://hbmccarbon68.en.ec21.com/Oilfield_Drill_Pipe--10964119_10995849.html]]></link><description><![CDATA[oilfield drill pipe
Drill pipe plays a decisive role in the process of drilling, it transfered the drilling torque to drill bit, in order to drilling under the well. When it is drilling,drill pipe ha]]></description><pubDate><![CDATA[20200523]]></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[Product name
13 5/8 inch IADC537 tricone bit
Size
13 5/8 inch
type
TCI tooth tricone bit
Bearing type
rubber sealed journal bearing
thread
6 5/8&quot; API Reg pin
Gauge protection
gauge protection
WOB
0.3]]></description><pubDate><![CDATA[20230403]]></pubDate></item>

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