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<title><![CDATA[EC21 Product Catalogs - hole drill bits]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/hole_drill_bits--2644/1/hole drill bits.html]]></link><item>
<title><![CDATA[DHD360 DTH Drill Bit for Water Well Drilling, DTH Bit, Down the Hole Drill Bit]]></title><link><![CDATA[https://bestone523.en.ec21.com/DHD360_DTH_Drill_Bit_for--11658402_11962092.html]]></link><description><![CDATA[]]></description><pubDate><![CDATA[20240703]]></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[HSS Hole Saw Drill Bits Opener for Stainless Steel,Metal thin sheet drillingSharp gears and anti-cutting with lower consumption make the product a long service life.HSS Hole Saw with High precision, ]]></description><pubDate><![CDATA[20240411]]></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[DTH bits (down the hole button bits) are hot pressed and undergo a combination of heat treatments, thus guaranteeing the good quality and longevity. The diameters range from 60mm to 700mm. The shanks]]></description><pubDate><![CDATA[20240311]]></pubDate></item>
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<title><![CDATA[NW BW HW PW PDC Diamond Core Bit for Water Well/Gas/Blast Hole Drilling]]></title><link><![CDATA[https://scott1990s.en.ec21.com/NW_BW_HW_PW_PDC--7977850_8263042.html]]></link><description><![CDATA[Specifications
1)high reinforced PDC cutters 2)especially suitable for cobble, crumbly and loose formation 3)different sizes are available
PDC rock coring bit 
Application: 
PDC coring bits use GK PD]]></description><pubDate><![CDATA[20130708]]></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_DTH--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[(Mining,Exploration,Coring,Drilling) Reaming Shells]]></title><link><![CDATA[https://tsdiao.en.ec21.com/Mining_Exploration_Coring_Drilling_Reaming--5500756_5500811.html]]></link><description><![CDATA[drilling by Bit and grinding of side surface can be done simultaneously, but the drilled hole should be kept not smaller than the diameter of the Bit (Reaming).
It should be used to prevent early wea]]></description><pubDate><![CDATA[20231017]]></pubDate></item>
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<title><![CDATA[R32 Thread Button Bit 43/45/48/51mm]]></title><link><![CDATA[https://reekerock.en.ec21.com/R32_Thread_Button_Bit_43--12046530_12046800.html]]></link><description><![CDATA[R32 is the most widely used drill bit for underground drifting. It is made of alloy steel and carbide , has wear resistance and corrosion resistance. Different button shapes are used in different roc]]></description><pubDate><![CDATA[20250305]]></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[TR32 45mm Drill Bit for Mining
Product Description 
.Workmanship:Hot press inserting
2.Material:Ovako,Timken
3.Diameter:45mm
Certification:ISO9001,SGS
Button bit TR32
Dimensions
(D)
Flusing hole (mm)]]></description><pubDate><![CDATA[20250103]]></pubDate></item>
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<title><![CDATA[R25 R32 T38 T45 T51 GT60 Rock Drilling Tools]]></title><link><![CDATA[https://jiuxiao.en.ec21.com/R25_R32_T38_T45_T51--3831461_3831462.html]]></link><description><![CDATA[Bit;
Tapered Rod;
Shank Rod;
Drifter Rod;
Extension Rod;
MF-Rod;
Shank Adapter;
Coupling Sleeve;
Crossover Coupling;
Crossover Adapter;
Down the Hole Button Bit;
Down the Hole Hammer;
Integral Drill ]]></description><pubDate><![CDATA[20240911]]></pubDate></item>
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<title><![CDATA[Manufacturers China Wholesale Rock Drilling Tool Offshore Oil Drill PDC Bit Used in Mines Oilfields]]></title><link><![CDATA[https://alicezhu1.en.ec21.com/Manufacturers_China_Wholesale_Rock_Drilling--11937244_11958335.html]]></link><description><![CDATA[bit, HDD hole openerand other drilling accessories.
Production advantage：
High quality raw materials ：
Strictly in accordance with the standards, carefully select materials, refused to jerry-buil]]></description><pubDate><![CDATA[20240627]]></pubDate></item>
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<title><![CDATA[Best Selling Worldwide PDC Bit Steel Pdc Mill Drilll Bit for Limestone]]></title><link><![CDATA[https://yalunzuntou.en.ec21.com/Best_Selling_Worldwide_PDC_Bit--11940816_11946784.html]]></link><description><![CDATA[bit, HDD hole openerand other drilling accessories.
Production advantage：
High quality raw materials ：
Strictly in accordance with the standards, carefully select materials, refused to jerry-buil]]></description><pubDate><![CDATA[20240604]]></pubDate></item>
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<title><![CDATA[RC543 Reverse Circulation Dth Drill Bits for Deep Exploration Drilling]]></title><link><![CDATA[https://ksqdrilling.en.ec21.com/RC543_Reverse_Circulation_Dth_Drill--11913418_11934901.html]]></link><description><![CDATA[bits designed with patent. Simply by replacing the drill bit, the same hammer can drill holes of different sizes ensuring that the sample is not contaminated.
5. In difficult condition such as loose ]]></description><pubDate><![CDATA[20240511]]></pubDate></item>
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<title><![CDATA[Surface Mounted Diamond Drill Bits]]></title><link><![CDATA[https://hsaoxing.en.ec21.com/Surface_Mounted_Diamond_Drill_Bits--11919761_11921299.html]]></link><description><![CDATA[bits, also known as surface mounted diamond drill bits, are a special process formula that uses electroplating technology to fix and bond diamond sand at the contact point between the drill bit body ]]></description><pubDate><![CDATA[20240405]]></pubDate></item>
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<title><![CDATA[TCI(Tungsten Carbide Insert) Tricone Drill Bit for Hard Rock Formation Blasting Using]]></title><link><![CDATA[https://amyzhang86.en.ec21.com/TCI_Tungsten_Carbide_Insert_Tricone--11743960_11744667.html]]></link><description><![CDATA[China Factory Supply Mining Drill Bits Rock Drilling Tricone Bits For Hard Rock
Product Descriptions
Tricone bit is an ideal solution for soft, medium, or hard rock formations, it is connected with t]]></description><pubDate><![CDATA[20230310]]></pubDate></item>
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<title><![CDATA[8 1/2]]></title><link><![CDATA[https://azgreat25.en.ec21.com/8_1_2--11503029_11506656.html]]></link><description><![CDATA[drill bits.Main products:PDC bit, tricone bit, coring bit, bi-center bit, Torkbuster, PDC reamer, PDC hole opener, rock reamer, customized cutters.
5.Please contact 
Whatsapp:8618232186601
8618031733]]></description><pubDate><![CDATA[20220729]]></pubDate></item>
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<title><![CDATA[Antai Geological Mining Ordinary Drill Reamer]]></title><link><![CDATA[https://antaidikuang.en.ec21.com/Antai_Geological_Mining_Ordinary_Drill--11846763_11853794.html]]></link><description><![CDATA[between the diameter of the diamond bit and the outer diameter of the core pipe, the gap between the hole wall and the core pipe is reduced, the water is blocked, and the drilling is easily stuck]]></description><pubDate><![CDATA[20231012]]></pubDate></item>
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<title><![CDATA[PCD Sintering Drilling Bit for CFRP/GFRP]]></title><link><![CDATA[https://omp1.en.ec21.com/PCD_Sintering_Drilling_Bit_for--11709368_11718444.html]]></link><description><![CDATA[Feature of PCD drilling bits:
The raw materials are imported PCD,High standards, High quality holes,A variety of chip flutes, and the design of chip flutes is suitable for different processing materi]]></description><pubDate><![CDATA[20230201]]></pubDate></item>
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<title><![CDATA[API Standard AISI 4145H Mod Drilling Stabilizer for Oilwell]]></title><link><![CDATA[https://senwell2008.en.ec21.com/API_Standard_AISI_4145H_Mod--9714769_9715051.html]]></link><description><![CDATA[Hole size and type of stabilizer( string or near bits)
2 Material (steel or Non Mag.)
3 OD and ID
4 Connections type and size
5 Fishing Neck OD and length
6 API stress relief groove
7 Open or tight d]]></description><pubDate><![CDATA[20170304]]></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[bit,PDC diamond bit ,hole opener,drag bit and other oilfield drilling tools,also carry all major China Manufacturers, such as Kingdream and Beste famous brands. 
We have worked on drilling bits inter]]></description><pubDate><![CDATA[20160725]]></pubDate></item>
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<title><![CDATA[MAXDRILL Top Hammer Tapered Drill Rod]]></title><link><![CDATA[https://maxdrill02.en.ec21.com/MAXDRILL_Top_Hammer_Tapered_Drill--8458610_8459191.html]]></link><description><![CDATA[drilling, blasting holes and other drilling works especially in the mining application and dimentional stone industry. The tapered rods work together with taper drill bits , has different length for ]]></description><pubDate><![CDATA[20200630]]></pubDate></item>
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<title><![CDATA[Down the Hole Hammer, Bits]]></title><link><![CDATA[https://unitek1118.en.ec21.com/Down_the_Hole_Hammer_Bits--8426073_8523551.html]]></link><description><![CDATA[Down the Hole Hammer, Bits
Rock Tools spare parts for many models of drilling rigs and drifters
]]></description><pubDate><![CDATA[20130930]]></pubDate></item>
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<title><![CDATA[Tapered Drill Rods]]></title><link><![CDATA[https://lyzs.en.ec21.com/Tapered_Drill_Rods--10557178_10012816.html]]></link><description><![CDATA[bit is 7 degree, if the user require other taperer butten bit, we can design it for you. 
3.If the hole depth is deeper than 2.5m, please use the set of rods, firstly,using shorter drill rods, then t]]></description><pubDate><![CDATA[20171011]]></pubDate></item>
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<title><![CDATA[Tapered Drill Bit]]></title><link><![CDATA[https://smilebaby0114.en.ec21.com/Tapered_Drill_Bit--9337439_9337460.html]]></link><description><![CDATA[Product name
Chisel type bits
tapered Types
Tapered chisel bits/ Tapered cross bits/Tapered button bits
Features
tapered cross bits connect with tapered drill rod for drilling holes
Stale and mature ]]></description><pubDate><![CDATA[20141230]]></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[Bit Head Design and selection:
1. Flat front Spherical
Application: For Drilling in hard and abrasive rock.
2. Flat front Spherical + Ballistic
Application: For Drilling in medium-hard to hard and mo]]></description><pubDate><![CDATA[20230810]]></pubDate></item>
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<title><![CDATA[Diamond Core Drill Bits]]></title><link><![CDATA[https://yuinternational.en.ec21.com/Diamond_Core_Drill_Bits--10318939_10319008.html]]></link><description><![CDATA[Diamond Core Drill Bit. 
Core Drilling. 
When you need high-performance diamond tools for grinding, cutting and finishing operations, there&amp;rsquo;s no better source than YU Diamond company. We have p]]></description><pubDate><![CDATA[20170306]]></pubDate></item>

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