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<title><![CDATA[EC21 Product Catalogs - 12 bit]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/12-bit--2644/1/12 bit.html]]></link><item>
<title><![CDATA[Maxdrill 6/7/11/12 Degree Taper Button Bit Rock Drill Bits]]></title><link><![CDATA[https://juliewang6.en.ec21.com/Maxdrill-6-7-11-12--12034560_12034561.html]]></link><description><![CDATA[Maxdrill 6/7/11/12 Degree Taper Button Bit Rock Drill Bits 
Product Specification:
Degree Dimensions D Flushing hole(mm) Buttons(mm) Angle Class Part no. mm in Front No Size Gauge No Size Front No Si]]></description><pubDate><![CDATA[20250103]]></pubDate></item>
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<title><![CDATA[Tricone Bit 311mm 12 1/4]]></title><link><![CDATA[https://scott1990s.en.ec21.com/Tricone-Bit-311mm-12-1--7977583_8262304.html]]></link><description><![CDATA[bit 12 1/4 IADC 127Material: 15CrNi4MOCutting element: hard alloy cutting toothSize: 311 mmIADC: 127Bearing Type: Rubber sealed journal bearingThread Connection: 6 5/8 REGWOB(KN/mm): 0.30-0.90RPM(r/m]]></description><pubDate><![CDATA[20131113]]></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[High Air Pressure DHD, COP, COP Gold, Mission, SD, QL DTH Bits 3&apos;&apos;-12&apos;&apos;]]></title><link><![CDATA[https://cyndee4125.en.ec21.com/High-Air-Pressure-DHD--10512257_10512299.html]]></link><description><![CDATA[High Air Pressure DHD, COP, COP Gold, Mission, SD, QL DTH Bits 3&apos;&apos;-12&apos;&apos;
Product name: High Air Pressure DTH Bits 3&apos;&apos;-12&apos;&apos;
Details:Matching: DHD, COP, COP Gold, Mission, SD, QL etc.
Bit Diameter: 3 ~ ]]></description><pubDate><![CDATA[20230810]]></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[12°
Color
Black or as your requirements
Length
600-8000mm
Weight
1.93kg - 25.02kg
Certification
ISO
Why you choose Miroc button bit?
1.Tapered rock drill rod connect with button bits perfectly for d]]></description><pubDate><![CDATA[20240511]]></pubDate></item>
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<title><![CDATA[HSS Hole Saw Drill Bits Opener for Stainless Steel,Metal Thin Sheet Drilling]]></title><link><![CDATA[https://lixuntools.en.ec21.com/HSS-Hole-Saw-Drill-Bits--11923440_11923442.html]]></link><description><![CDATA[12-100mmShank10mmColorsilverFeatureDurable and practicalApplicationMetal thin sheet(Stainless Steel,brass,iron)Product nameHSS hole sawWorking Length2 MMPackingPlastic boxUsageHole saw cuttingPortNin]]></description><pubDate><![CDATA[20240411]]></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[12mm-16mm (super service life)Bit Crown Profiles: “W” profile, “Flat” profile, “Semi-round” profile, “Cross” profile, “Gear profile”Waterways: Various waterways are available for ]]></description><pubDate><![CDATA[20240405]]></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[Cross Bits]]></title><link><![CDATA[https://jiuxiao.en.ec21.com/Cross-Bits--3831461_3831472.html]]></link><description><![CDATA[cross bits diameter: 32mm-65mm;
taper degree: 6, 7, 11, 12;
water hole: 3, 5;
theread: R, T, H;
Our company main products are rock Drilling tools and mining tools, include five series, more than 500 ]]></description><pubDate><![CDATA[20090920]]></pubDate></item>
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<title><![CDATA[MAXDRILL  Top Hammer Tapered Button Bits]]></title><link><![CDATA[https://maxdrill02.en.ec21.com/MAXDRILL-Top-Hammer-Tapered--8458610_8459144.html]]></link><description><![CDATA[bit, and chisel bit with taper degree.
(1) Type: button bits 
(2) Size: 19mm, 22mm, 25mm
(3) Diameter: 30-42mm.
(4) Taper: degree 4°46′ 6°, 7°, 11°, 12°.
(5) Package: in wooden case or in cart]]></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[HQ Impregnated Diamond Core Bit]]></title><link><![CDATA[https://csdrilling.en.ec21.com/HQ-Impregnated-Diamond-Core-Bit--8382535_9984948.html]]></link><description><![CDATA[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; 
Waterways: Various waterways are available for diamond impregna]]></description><pubDate><![CDATA[20160520]]></pubDate></item>
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<title><![CDATA[API Standard AISI 4145H Mod 6-1/2]]></title><link><![CDATA[https://senwell2008.en.ec21.com/API-Standard-AISI-4145H-Mod--9714769_9714838.html]]></link><description><![CDATA[Usage:Drill collars are used to provide weight on bit so that drill pipes are kept in tension. Especially drill collars can keep drill bits centralized and hole track by large rigidity
Material: AISI]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[3lz172 5LZ172 7LZ172 X 7.0]]></title><link><![CDATA[https://sddydriil.en.ec21.com/3lz172-5LZ172-7LZ172-X-7.0--9472382_9493116.html]]></link><description><![CDATA[Bit Speed Range( R/M) 125-200 95~180 70~145 
Motor DifferentialPressure(Mpa) 4 4 4 
Operation Pressure(N.M) 4430 5400 7600 
Output Power(KW) 58-93 54-100 64~102 
Bit Differential Pressure(Mpa) 1.5~7.]]></description><pubDate><![CDATA[20150430]]></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[Bit dia.(mm)
Part No.
Buttons No.
Splines No.
Hammer
90
ZS90-52J8H
11-12
8
ND35
105
ZS105-64J8H
13-14
8
ND45
110
ZS110-64J8H
14
8
115
ZS115-64J8H
13-15
8
120
ZS120-64J8H
14-15
8
140
ZS140-82J8H
14-15]]></description><pubDate><![CDATA[20171023]]></pubDate></item>
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<title><![CDATA[Down the Hole Bits, DTH Bits, DTH Drill Bits, DTH Button Bits]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Down-the-Hole-Bits--10772843_10772872.html]]></link><description><![CDATA[Product description：DTH bit, usually called down the hole bit, a piston of DTH hammer powered by compressed air gives the DTH drill bit striking power to break hard rock into small particles.
In DT]]></description><pubDate><![CDATA[20210520]]></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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