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<title><![CDATA[EC21 Product Catalogs - construction drill bits]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/construction drill bits.html]]></link><item>
<title><![CDATA[Foundation Drilling Tools B47K22H, Piling Tools, Cutting Tools, Conical Bits, Construction Tools]]></title><link><![CDATA[https://ruilister.en.ec21.com/Foundation_Drilling_Tools_B47K22H_Piling--8747152_9504116.html]]></link><description><![CDATA[Part No.: Conical Tools B47K22H 
Material: ASTM4140 (42CrMo) 
Hardness: HRC48-53 
Delivery time: HRC48-53 
The price on web is just reference, please contact us to get the exact price.]]></description><pubDate><![CDATA[20170607]]></pubDate></item>
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<title><![CDATA[SUNMOY RCD500 Reverse Circulation Drilling Rig]]></title><link><![CDATA[https://sunmoypump.en.ec21.com/SUNMOY_RCD500_Reverse_Circulation_Drilling--12068541_12068550.html]]></link><description><![CDATA[construction now available to the industry. Reverse rotary is not, however, a rock well drill rig; at least not in hard rock areas. 
It can and has been used in soft prolific rock structures with som]]></description><pubDate><![CDATA[20260412]]></pubDate></item>
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<title><![CDATA[Scrap PDC Drill Bits, Used Tricone Bits, Large-scale Procurement Year-]]></title><link><![CDATA[https://mukeket.en.ec21.com/Scrap_PDC_Drill_Bits_Used--11241655_12063373.html]]></link><description><![CDATA[bits are commonly preferred over steel-body 
bits for environments in which body erosion is likely to cause a bit to 
fail. For diamond-impregnated bits, only matrix-body construction can be
used.2. ]]></description><pubDate><![CDATA[20251225]]></pubDate></item>
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<title><![CDATA[China Metal Drill Bits for Metal Suppliers]]></title><link><![CDATA[https://ydsools302.en.ec21.com/China_Metal_Drill_Bits_for--12053533_12053558.html]]></link><description><![CDATA[construction, and precision applications, ensuring reliable and consistent results across various metalworking tasks.
Enhancing Performance with Drill Bit Coatings 
Drill bit coatings play a crucial ]]></description><pubDate><![CDATA[20250401]]></pubDate></item>
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<title><![CDATA[Casing Driver Casing Connector Casing Adaptor]]></title><link><![CDATA[https://wodemima123.en.ec21.com/Casing_Driver_Casing_Connector_Casing--12050745_12050769.html]]></link><description><![CDATA[Casing is one of the most important and commonly used equipment in deep foundation works. It is widly usded in deep foundation,bord pile,drill shaft, pillar construction wok to protect the shaft work]]></description><pubDate><![CDATA[20250320]]></pubDate></item>
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<title><![CDATA[Dth Bit for CIR90/100/110/120 Inch]]></title><link><![CDATA[https://reekerock.en.ec21.com/Dth_Bit_for_CIR90_100--12046530_12046535.html]]></link><description><![CDATA[DTH tools is Widely used in open-pit mining, water wells, foundation construction, slope support and other scenes, using pneumatic, through air conduction to the drill pipe, drill pipe conduction to ]]></description><pubDate><![CDATA[20250304]]></pubDate></item>
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<title><![CDATA[Bosch 11335K 35 Lb. Jack Breaker Hammer]]></title><link><![CDATA[https://johnxpertstore.en.ec21.com/Bosch_11335K_35_Lb._Jack--12029180_12029191.html]]></link><description><![CDATA[drilling, and other construction activities contains chemicals
known to the State of California to cause cancer, birth defects or 
other reproductive harm. Some examples of those chemicals are: lead ]]></description><pubDate><![CDATA[20241203]]></pubDate></item>
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<title><![CDATA[YT24/YT27/YT28/YT29A Handheld Rock Drilling Machine Supplier Jack Hammer On Sale]]></title><link><![CDATA[https://bestone523.en.ec21.com/YT24_YT27_YT28_YT29A_Handheld--11962094_11966986.html]]></link><description><![CDATA[drill or portable rock drill, is a tool to create holes in rock surfaces for various purposes. It has a wide applications such as mining, quarrying, and construction. These machines are always lightw]]></description><pubDate><![CDATA[20240711]]></pubDate></item>
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<title><![CDATA[Cordless Hammer Drill]]></title><link><![CDATA[https://aubaca.en.ec21.com/Cordless_Hammer_Drill--11964103_11964110.html]]></link><description><![CDATA[construction and renovation projects.
How to Use Cordless Hammer Drill
First
Power On and Select Settings:
Ensure the battery is charged and properly inserted.
Check for any adjustable settings on th]]></description><pubDate><![CDATA[20240706]]></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[construction, mining, horizontal directional drilling(HDD),geothermal and environmental and other industries . 
Langfang Uqier drill bit Co.,Ltd
Contact: Alice Zhu
Tel: 0086-19931326863
Wa: +86133131]]></description><pubDate><![CDATA[20240627]]></pubDate></item>
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<title><![CDATA[75U-3 Full Hydraulic Underground Core Drill Rig]]></title><link><![CDATA[https://coredrillpros.en.ec21.com/75U_3_Full_Hydraulic_Underground--11951642_11951649.html]]></link><description><![CDATA[drilling tool that delivers superior performance in underground exploration and resource extraction. Its advanced hydraulic technology, durable construction, and versatile design make it an essential]]></description><pubDate><![CDATA[20240614]]></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[Construction works , Energy &amp; Mining
Weight (KG)：45
FOUNDEDIN 2008
Our main products are tricone bitPDC bit, drag bit, HDD hole openerand other drilling accessories.
Production advantage：
High qu]]></description><pubDate><![CDATA[20240604]]></pubDate></item>
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<title><![CDATA[Diamond Core Drill Bit]]></title><link><![CDATA[https://buteo.en.ec21.com/Diamond_Core_Drill_Bit--11943133_11943146.html]]></link><description><![CDATA[Diamond core drill set
are an essential tool for construction professionals who need to create precise and straight holes in reinforced concrete surfaces. They feature a unique design that incorporat]]></description><pubDate><![CDATA[20240527]]></pubDate></item>
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<title><![CDATA[Petrol Engine Rail Track Drilling Machine]]></title><link><![CDATA[https://linkagetrackgauge.en.ec21.com/Petrol_Engine_Rail_Track_Drilling--11907120_11909893.html]]></link><description><![CDATA[Petrol Engine Rail Drilling Machine
This machine is an indispensable tool for railway maintenance, construction and emergency repair operations. It uses a hollow drill bit, a screw nut clamping mecha]]></description><pubDate><![CDATA[20240513]]></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[drilling applications.
Brand Name
MIROC
Material
Tungsten Carbide And High Strength Alloy Steel
Series
CIR, BR, COP,DHD,MISSION,QL,SD,NUMA
Application
Quarrying,Construction,Civil engineering,Mining
]]></description><pubDate><![CDATA[20240511]]></pubDate></item>
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<title><![CDATA[CNC Machining Parts]]></title><link><![CDATA[https://hhcprecision.en.ec21.com/CNC_Machining_Parts--11858667_11882713.html]]></link><description><![CDATA[drill bits to remove material, and they are crucial in the production of components that require precise and uniform holes. Industries like construction, metalworking, and electronics heavily rely on]]></description><pubDate><![CDATA[20240102]]></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[Commodity: Tapered Drill Rods 
Degree: 7&amp;deg;, 11&amp;deg;, 12&amp;deg; 
Shank of bit: H19*82mm, H22*108mm, H25*159mm 
Lengthes: 500mm - 10000mm
We can also supply the drill rods according to the customer&amp;#3]]></description><pubDate><![CDATA[20171011]]></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[drill bits are widely used in mining, oil, gas, water well drilling, HDD, quarrying and construction.
Company Information
Hunan TianYing Drilling Machine Manufacturing Co., Ltd. was founded in 1958, ]]></description><pubDate><![CDATA[20230310]]></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[drilling performance on various formations with different hardness.
Application: geological exploration, water conservancy, building construction etc drilling fields.
Impregnated core bits Matrix sel]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
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<title><![CDATA[CFG Continuous Auger with Flange Coupling Dia 600mm with CFG Auger Head for CFG Pile Foundation]]></title><link><![CDATA[https://tjdrilling01.en.ec21.com/CFG_Continuous_Auger_with_Flange--10360967_10361374.html]]></link><description><![CDATA[BIT FOR CFG PILE , CFG PILOT HEAD FOR CFG PILE 
high bearing capacity and small settlement of CFG pile, CFG pile have been used widely in foundation treatment of engineering construction CFG pile com]]></description><pubDate><![CDATA[20171213]]></pubDate></item>
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<title><![CDATA[Internal Combustion Rail Drilling Machine]]></title><link><![CDATA[https://lijfjls225632.en.ec21.com/Internal_Combustion_Rail_Drilling_Machine--11915886_11915903.html]]></link><description><![CDATA[This machine is an indispensable tool for railway maintenance, construction and emergency repair operations. It uses a hollow drill bit, fast clamping, accurate positioning, fast drilling, simple ope]]></description><pubDate><![CDATA[20240325]]></pubDate></item>
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<title><![CDATA[Steel Rod Induction Heating Forging Machine]]></title><link><![CDATA[https://thinduction.en.ec21.com/Steel_Rod_Induction_Heating_Forging--10805616_10827954.html]]></link><description><![CDATA[construction steel buckle, automotive leaf spring 
C. embossed: Iron Works embossing, embossing motorcycle brake pedal heating, sanitary ware. 
D. Forming: bending, upsetting head, punching, flatten,]]></description><pubDate><![CDATA[20181001]]></pubDate></item>
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<title><![CDATA[JKS300B Crawler Mounted Versatile Well Drilling Rig]]></title><link><![CDATA[https://jkdrilling.en.ec21.com/JKS300B_Crawler_Mounted_Versatile_Well--10840176_10840200.html]]></link><description><![CDATA[JKS300B Crawler Mounted Versatile Well Drilling Rig
Crawler Mounted Versatile Well Drilling Rig
Truck Mounted Well Drilling Rig
Its smaller size can be adapted to various construction sites.
Rated Dr]]></description><pubDate><![CDATA[20200725]]></pubDate></item>
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<title><![CDATA[R38 Thread Self Drilling Anchor Bolt System]]></title><link><![CDATA[https://sinorock2020.en.ec21.com/R38_Thread_Self_Drilling_Anchor--11623820_11636471.html]]></link><description><![CDATA[R thread self-drilling anchor bolt system is composed of a hollow rock bolt, anchor nut, anchor plate, anchor coupler, drill bit, centralizer, and the hollow anchor bars can be cut and lengthened by ]]></description><pubDate><![CDATA[20220909]]></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[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[bits and boxes, great cutting force to keep high breaking ability. Stable in working. It also can realize arc cutting.
7. Optional hydraulic anchor drill drive device, driving one or two machine to o]]></description><pubDate><![CDATA[20230905]]></pubDate></item>
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<title><![CDATA[Conical Specified Adhesive Anchor]]></title><link><![CDATA[https://njmkt68.en.ec21.com/Conical_Specified_Adhesive_Anchor--10998464_10998478.html]]></link><description><![CDATA[construction tolerance is higher than conventional chemical anchor, non-toxic environmental protection, aging-resistance up to 50 years and high/low temperature resistance 
● Comparing with mechani]]></description><pubDate><![CDATA[20240307]]></pubDate></item>
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<title><![CDATA[Foundation Drilling Tools]]></title><link><![CDATA[https://sdhaoquan.en.ec21.com/Foundation_Drilling_Tools--1974424_1778327.html]]></link><description><![CDATA[Conical cutter bits for Construction,Trenching and Tunneling. Flat cutter bits for trenching and foundation. Conical bits for Drill Augers: Round Shank cutter bits for using Foundation Drilling tools]]></description><pubDate><![CDATA[20070603]]></pubDate></item>
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<title><![CDATA[DTH Hammers &amp; Rock Tools Drilling Equipments.]]></title><link><![CDATA[https://drillbank.en.ec21.com/DTH_Hammers_Rock_Tools_Drilling--2575027_2575245.html]]></link><description><![CDATA[Construction Industrles &quot;
Widely used in mine drilling and other engineering projects 
Excellent quality 
Effective gage protected 
Long life 
Competitive quality !! 
Attractive price !!! 
special de]]></description><pubDate><![CDATA[20121107]]></pubDate></item>
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<title><![CDATA[Gasoline Steel Rail Drilling Machine Petrol]]></title><link><![CDATA[https://flymoon123.en.ec21.com/Gasoline_Steel_Rail_Drilling_Machine--11813076_11816483.html]]></link><description><![CDATA[gasoline steel rail drilling machine 
This machine is an indispensable tool for railway maintenance, construction and emergency repair operations. It uses a hollow drill bit, a screw nut clamping mec]]></description><pubDate><![CDATA[20230707]]></pubDate></item>
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<title><![CDATA[Tungsten Carbide Button Tip]]></title><link><![CDATA[https://northtungsten.en.ec21.com/Tungsten_Carbide_Button_Tip--3339462_4837541.html]]></link><description><![CDATA[bits are widely applied for rock tools, mining tools for use in quarrying, mining, tunneling, and civil constructions. Our company produces any standard sizes and other styles available on customer&amp;r]]></description><pubDate><![CDATA[20101021]]></pubDate></item>
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<title><![CDATA[XY-42A Spindle Type Core Drilling Rig]]></title><link><![CDATA[https://wendy121280.en.ec21.com/XY_42A_Spindle_Type_Core--3794768_3794831.html]]></link><description><![CDATA[bit and diamond bit, it can be used to engineering geological exploration, hydro-geological, water well drilling and big-hole foundation basic pile hole engineering construction
Characteristics: 
Wit]]></description><pubDate><![CDATA[20130807]]></pubDate></item>
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<title><![CDATA[Portable Drilling EDM]]></title><link><![CDATA[https://faithmachine.en.ec21.com/Portable_Drilling_EDM--3572361_7064612.html]]></link><description><![CDATA[FEATURES:
. Compact construction, easy mobility and low cost.
. Easy to operate.
. Good for drilling start holes for wire cut EDM.
. Good for deep hole drilling on super hard alloy and power metallur]]></description><pubDate><![CDATA[20120908]]></pubDate></item>
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<title><![CDATA[4 3/4(120.6mm)Inches Tricone Drill Bits Carbide for Energy and Mining]]></title><link><![CDATA[https://triconedrillbit.en.ec21.com/4_3_4_120.6mm_Inches--11882613_11882614.html]]></link><description><![CDATA[drill bits are a type of rotating core bit used in drilling applications, especially in oil-based and water-based geology. They are widely used in energy and mining industry, construction works, and ]]></description><pubDate><![CDATA[20240102]]></pubDate></item>
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<title><![CDATA[Drawwork Drive Shaft Part ZJ32L6 Circlip BA70011-03.08 | AMLPPMFG]]></title><link><![CDATA[https://klk455.en.ec21.com/Drawwork_Drive_Shaft_Part_ZJ32L6--11872763_11872780.html]]></link><description><![CDATA[DRILL MOTOR 120994
Valve: Cb Cartridge 94518-23HN
Liquid end accessories GJC45-21 SMP-600 Valve assembly
60gz
Construction machinery inner tube 6.5in 10in Angu
Single point non-magnetic sensor DZX-2 ]]></description><pubDate><![CDATA[20231203]]></pubDate></item>
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<title><![CDATA[DTH Bits(85MM-800MM)]]></title><link><![CDATA[https://hncsthzj.en.ec21.com/DTH_Bits_85MM_800MM--4293202_4303776.html]]></link><description><![CDATA[construction engineering,geotechnical engineering and some other fields.
We can design and produce different drill bits according to custometrs&apos; different requirements. Our company has passed ISO: 90]]></description><pubDate><![CDATA[20130115]]></pubDate></item>
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<title><![CDATA[Rock Auger]]></title><link><![CDATA[https://janewongli.en.ec21.com/Rock_Auger--11856022_11859074.html]]></link><description><![CDATA[Drilling is capable of providing overall construction solutions and designing customized high quality Kelly bar based on various drilling conditions that the customers encounter.
2. Top Quality Raw M]]></description><pubDate><![CDATA[20231026]]></pubDate></item>
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<title><![CDATA[3-3/4&quot; 95mm Downhole Mud Motor Horizontal Directional Drilling HDD]]></title><link><![CDATA[https://drillhunter.en.ec21.com/3_3_4_95mm_Downhole--11837775_11837776.html]]></link><description><![CDATA[Drilling (HDD) becomes more and more popular especially in urban construction, river and road crossing because it is more environment friendly and lower operation cost. Earth drilling tools in previo]]></description><pubDate><![CDATA[20230824]]></pubDate></item>
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<title><![CDATA[Railway Internal Combustion Engine Drilling Machine Rail Drilling Equipment Tool]]></title><link><![CDATA[https://linkage007.en.ec21.com/Railway_Internal_Combustion_Engine_Drilling--11918813_11918814.html]]></link><description><![CDATA[Product Description
NZG-31 Petrol Engine Rail Drilling Machine
This machine is an indispensable tool for railway maintenance, construction and emergency repair operations. It uses a hollow
drill bit,]]></description><pubDate><![CDATA[20240401]]></pubDate></item>
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<title><![CDATA[Float Collar]]></title><link><![CDATA[https://chinajixie.en.ec21.com/Float_Collar--6936628_6936782.html]]></link><description><![CDATA[1).API STANDARD 
2).SAFE,RELIABLE AND EFFICIENT 
3).DELIVERY ON TIME. 
4).COMPETITIVE PRICE 
ALL DEPENDS ON ENOUGH CREDIBILITY.
Construction :
High strength design ensures high pressure bump and back]]></description><pubDate><![CDATA[20170322]]></pubDate></item>
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<title><![CDATA[Drag Bit 6&quot; Step Type Three Wing Bit for Soft Ground Surface Drilling Manufactrurer]]></title><link><![CDATA[https://scott1990s.en.ec21.com/Drag_Bit_6_Step_Type--7977850_8262615.html]]></link><description><![CDATA[drill bits, drill pipes, mud pumps and stabilizers for water wells, oil fields, construction, geothermal energy development, directional boring and underground foundation works. Our purpose is to sup]]></description><pubDate><![CDATA[20130708]]></pubDate></item>
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<title><![CDATA[Low Air Pressure DTH Hammer CIR110/CIR130 Bit Shank for Well Drilling]]></title><link><![CDATA[https://liners.en.ec21.com/Low_Air_Pressure_DTH_Hammer--10707959_10736809.html]]></link><description><![CDATA[bit, bench drilling, coupling sleeves,drill pipe for mining and construction. There are more than 300 sales service providers in China, and the products are exported to Australia, Africa and Southeas]]></description><pubDate><![CDATA[20180525]]></pubDate></item>
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<title><![CDATA[MAXDRILL  Top Hammer Taper Chisel Bit]]></title><link><![CDATA[https://maxdrill02.en.ec21.com/MAXDRILL_Top_Hammer_Taper_Chisel--8458610_8459179.html]]></link><description><![CDATA[Bit is generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm. It is widely used in metallurgy mine, geological exploration, water conservancy construction, ]]></description><pubDate><![CDATA[20200630]]></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[Drill Bit is suitable for multiple industries including manufacturing plant, machinery repair shops, construction works, energy &amp; mining. It has an API connection type and is mainly used for well dri]]></description><pubDate><![CDATA[20240207]]></pubDate></item>
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<title><![CDATA[Atlas Copco Drifter - COP1838 ME Used X 2]]></title><link><![CDATA[https://unitek1118.en.ec21.com/Atlas_Copco_Drifter_COP1838_ME--7931399_8417428.html]]></link><description><![CDATA[bit, coupling, extension rod, integral drill steel, DTH hammer &amp; bit)
HYDRAULIC BREAKER PARTS
OTHER EQUIPMENT (Mini drill, Shotcrete pump car, Z-pump, casing, Sky drill, other)
HEAVY &amp; CONSTRUCTION E]]></description><pubDate><![CDATA[20131127]]></pubDate></item>
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<title><![CDATA[DEWALT 20V MAX Power Tool Combo Kit, 10-Tool Cordless Power Tool Set with 2 Batteries and Charger (D]]></title><link><![CDATA[https://bawinshieng.en.ec21.com/DEWALT_20V_MAX_Power_Tool--11910295_11910300.html]]></link><description><![CDATA[bit tips
DCS381 with keyless blade clamp as one of the essential construction tools allows for quick blade change without touching blade or reciprocating shaft.
DCL040 is a bright flashlight to illum]]></description><pubDate><![CDATA[20240310]]></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[Aluminum Manifold Block]]></title><link><![CDATA[https://gdcoyo.en.ec21.com/Aluminum_Manifold_Block--11765164_11765167.html]]></link><description><![CDATA[drill bit within the allowed range.
Oil chamber 
The flow rate of hydraulic oil in the oil chamber should not be higher than 12m/s, and the return chamber should be 20-40% larger than the inlet chamb]]></description><pubDate><![CDATA[20230406]]></pubDate></item>

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