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<title><![CDATA[EC21 Product Catalogs - hardness]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/hardness--2644/1/hardness.html]]></link><item>
<title><![CDATA[Water Drilling Tungsten Carbide Hard Rock Supports Custom TCI Roller Tri-cone Rock Bits]]></title><link><![CDATA[https://yalunzuntou.en.ec21.com/Water-Drilling-Tungsten-Carbide-Hard--11940816_11942915.html]]></link><description><![CDATA[适用行业：制造工厂、机械修理厂、农场、建筑工程、能源和采矿业
重量(公斤) ： 45
成立于2008年
公司主要产品有三牙轮钻头、PDC钻头、刮刀钻头、HDD]]></description><pubDate><![CDATA[20240527]]></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[Tricone Drill Bits for Hard Rock Drilling]]></title><link><![CDATA[https://unibusinessjoyce.en.ec21.com/Tricone-Drill-Bits-for-Hard--8761097_8538649.html]]></link><description><![CDATA[hardfacing on the shirttail increases gauge holding capability and bearing life.
3. Bearing Structure
High precision bearing with two thrust faces. Balls lock the cone. Hardface heard bearing surface]]></description><pubDate><![CDATA[20240311]]></pubDate></item>
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<title><![CDATA[BESTONE Hard Rock Drill Head / T51 102mm Thread Bits Top Hammer Button Bits Manufacturer]]></title><link><![CDATA[https://bestone523.en.ec21.com/BESTONE-Hard-Rock-Drill-Head--11907685_11907687.html]]></link><description><![CDATA[The thread drill bits are made by high quality alloy steel bar and famous brand tungsten carbide,quality standard same as global brand such as Sandvik and Robit etc.The thread type includes R25,R28,R]]></description><pubDate><![CDATA[20240229]]></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--11743955_11743956.html]]></link><description><![CDATA[Hard Formation4TUNGSTEN CARBIDE INSERT BITS
For varying formation hardness with 4 being the softest and 8 the hardest.5678Second DigitFORMATION11,2,3 and 4 are further breakdown of formation with 1 b]]></description><pubDate><![CDATA[20230309]]></pubDate></item>
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<title><![CDATA[Core Chisel for Hydraulic Breaker]]></title><link><![CDATA[https://isps.en.ec21.com/Core-Chisel-for-Hydraulic-Breaker--5818535_10299410.html]]></link><description><![CDATA[The SPS CORE CHISEL is a special chisel with a hard steel core inserted into the chisel. It is designed so that it can be used sharply pointed for a long period of time. Low in wear rate and long in ]]></description><pubDate><![CDATA[20250823]]></pubDate></item>
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<title><![CDATA[Mn18Cr2 OEM Quality Cone Crusher Liners for Nordberg HP500 | TiC Reinforced]]></title><link><![CDATA[https://hongxinwearparts.en.ec21.com/Mn18Cr2-OEM-Quality-Cone-Crusher--12048553_12048556.html]]></link><description><![CDATA[for discontinued crusher types 
Technical Specifications 
- Hardness: HB 350-450 (adjustable per application) 
- Impact toughness: ≥150 J/cm²
- Surface finish: Shot-peened for crack resistance
]]></description><pubDate><![CDATA[20250312]]></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[The 11° taper drill hole is made of carburized alloy steel for extremely strong ductility and hardness. The head is connected to the taper bit, and the tail is connected to the rock drill, jackhamme]]></description><pubDate><![CDATA[20250304]]></pubDate></item>
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<title><![CDATA[Maxdrill High Performance R32 102mm Reaming Drill Bit]]></title><link><![CDATA[https://juliewang6.en.ec21.com/Maxdrill-High-Performance-R32-102mm--12034560_12036651.html]]></link><description><![CDATA[Maxdrill High Performance R32 102mm Reaming Drill bit
Reaming tools:
Product DespcriptionRemarks:
Hemispherical-66(Usually for very hard rocks)
Ballistic-65(Ususally for medium hard rocks)
Semiballis]]></description><pubDate><![CDATA[20250114]]></pubDate></item>
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<title><![CDATA[Cable Hook]]></title><link><![CDATA[https://langno.en.ec21.com/Cable-Hook--12031930_12031936.html]]></link><description><![CDATA[hardness: The hardness of the mining cable hook is lower than that of the metal hook, and will not cause damage to the cable when laying the cable.
Anti-static: The arithmetic mean of the surface res]]></description><pubDate><![CDATA[20241218]]></pubDate></item>
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<title><![CDATA[Wear-Resistant Attachment Excavator Bucket 6.2m3 HD Rock Bucket]]></title><link><![CDATA[https://sonialiuyf.en.ec21.com/Wear-Resistant-Attachment-Excavator-Bucket--12022789_12022790.html]]></link><description><![CDATA[hard soil, mixed with a relative soft stone and clay, softer stones andother light load operating environment.
OEM &amp;Customized service
Bucket(HDR)
Q345+NM400/HARDOX400
Used for mining hard gravel mix]]></description><pubDate><![CDATA[20241107]]></pubDate></item>
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<title><![CDATA[Tungsten Carbide Cemented Carbide Mining Tips for Drill Bit]]></title><link><![CDATA[https://carl072.en.ec21.com/Tungsten-Carbide-Cemented-Carbide-Mining--11954473_11985430.html]]></link><description><![CDATA[mining, these buttons are known for their durability, hardness, and resistance to wear and abrasion. Discover the various types of cemented carbide buttons and their uses in the mining industry.
]]></description><pubDate><![CDATA[20240814]]></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[hard, all kinds of strata.
Complete variety：
Various products, complete specifications, can be customized.
Costomer services：
Size,colour,quantity,logo
Factory introduction
We manufacture drill b]]></description><pubDate><![CDATA[20240627]]></pubDate></item>
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<title><![CDATA[Leiyankeji PL1500L Rock Drilling and Splitting Machine]]></title><link><![CDATA[https://rockdrillandspliter.en.ec21.com/Leiyankeji-PL1500L-Rock-Drilling-and--11957685_11957707.html]]></link><description><![CDATA[Description: 
LIEYANKEJI PL-1500L rock drilling machine is a highly efficient rock drilling machine suitable for all kinds of hard rock square mining projects, to solve the hard rock efficient and en]]></description><pubDate><![CDATA[20240626]]></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[hard rock formations. This advanced system allows operators to precisely control the drilling speed and depth, ensuring accurate drilling results with minimal downtime.
The 75U-3 Full Hydraulic Under]]></description><pubDate><![CDATA[20240614]]></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[hardness is perfect for installing locks, knobs on doors and cabinets, or drilling large diameter holes through desks, etc,which make the job quick and easy.HSS Drill Bits are suitable for hand held ]]></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[hardness type and crown shapes, which are selected according to the hardness and abrasiveness of the formation to be drilled. If user can make rational selections according to the rock formations, th]]></description><pubDate><![CDATA[20240405]]></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[hard rocks and maximizing drilling efficiency. The blades are designed to be durable and can withstand frequent use without any wear or tear.
Oil Drill Bit is a reliable and durable drilling tool tha]]></description><pubDate><![CDATA[20240207]]></pubDate></item>
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<title><![CDATA[API Standard S135 5]]></title><link><![CDATA[https://senwell2008.en.ec21.com/API-Standard-S135-5--9714769_9714807.html]]></link><description><![CDATA[Hard band: Arnco100XT, Arnco200XT and Arnco300XT; Botn1000, Botn3000, TCS8000, TCS-Titanium, Armacor M etc. Also we can make according to customers&amp;rsquo; requirements.
Internal coating:DPC, TK34, TK]]></description><pubDate><![CDATA[20170304]]></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--10772776_10772786.html]]></link><description><![CDATA[hard formations. 4, 5, 6, 7 and 8 designate TUNGSTEN CARBIDE INSERT BITS for varying formation hardness with 4 being the softest and 8 the hardest.
Ⅱ .Second Digit: 1, 2, 3 and 4 are further breakd]]></description><pubDate><![CDATA[20210520]]></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[hard and abrasive rock
Flat Front Spherical + Ballistic Applications: For drilling in medimu-hard to hard and moderately abrasive rock.
Convex Front Spherical + Ballistic Applications: For drilling i]]></description><pubDate><![CDATA[20230810]]></pubDate></item>
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<title><![CDATA[API Certificated Clamps Drilling Rig Spare Parts for Polished Rod]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/API-Certificated-Clamps-Drilling-Rig--11790563_11790773.html]]></link><description><![CDATA[hardness range for polished rod clamps is between 190 and 300 HB
3. Maximum Load Rating
Each polished rod clamp design has a stated maximum load rating. The maximum rated load is no more than 75% of ]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[PDC Cutter for Oil Drilling Bits]]></title><link><![CDATA[https://omp1.en.ec21.com/PDC-Cutter-for-Oil-Drilling--11709368_11717694.html]]></link><description><![CDATA[bits, gas exploration bits, PDC coal mining drill bits.PDC is mainly applicable for PDC drilling bit for drilling into soft and intermediate-hardness stratum.
Whatsapp/Skype:+86 17538712805
]]></description><pubDate><![CDATA[20230131]]></pubDate></item>
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<title><![CDATA[Crusher Spare Parts Bowl Liner  Crusher Parts Concave]]></title><link><![CDATA[https://lydiayfbucket.en.ec21.com/Crusher-Spare-Parts-Bowl-Liner--11865710_11865742.html]]></link><description><![CDATA[hard and medium hard ore and rock, such as iron ore, limestone, copper ore, sandstone, quartz and so on.Material: Following is our normal material component,we also can customize as your request. Mat]]></description><pubDate><![CDATA[20231113]]></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[low compressive strength and harder abrasive stringers,such 
as hard shale,hard gypsolyte,soft limestone,sandstone and dolomite with 
stringers,etc.
Weight
120kg
Industrial standard
SY/T5164
MOQ
20]]></description><pubDate><![CDATA[20230403]]></pubDate></item>
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<title><![CDATA[Tungsten Carbide Strip]]></title><link><![CDATA[https://fortunecarbide2204.en.ec21.com/Tungsten-Carbide-Strip--11552070_11552105.html]]></link><description><![CDATA[High-quality tungsten carbide flat stripsTungsten carbide strip has high hardness and high wear resistance, it is an ideal choice to use in cutting kinds of wood.
- Easy to be brazed, has good wear r]]></description><pubDate><![CDATA[20220409]]></pubDate></item>
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<title><![CDATA[HP300 HP400 HP500 Cone Crusher Spare Parts Clamping Cylinder Seal Kits]]></title><link><![CDATA[https://onaie.en.ec21.com/HP300-HP400-HP500-Cone-Crusher--11882716_11882959.html]]></link><description><![CDATA[Hardness testing, metallographic structure, machineryperformance testing,ultrasonic inspection, high frequency infrared carbon and surface analysis etc.
5. Competitive products: Good quality with rea]]></description><pubDate><![CDATA[20240103]]></pubDate></item>
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<title><![CDATA[Tobee Cover Plate G8013D21 for 10x8G AH Triplex Mud Pump]]></title><link><![CDATA[https://tobeepump12.en.ec21.com/Tobee-Cover-Plate-G8013D21-for--11777757_11793480.html]]></link><description><![CDATA[hardness, Precision machining and painting technology ensure the parts are more conformable with fluidics, With strict quality control, Tobee’s high chrome wear parts provide users with longer 30%-]]></description><pubDate><![CDATA[20230519]]></pubDate></item>
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<title><![CDATA[Wear Parts for Impact Crusher Spare Parts Blow Bar Impact Plate]]></title><link><![CDATA[https://shanvim.en.ec21.com/Wear-Parts-for-Impact-Crusher--11442850_11491761.html]]></link><description><![CDATA[hardness of Shanvim blow bar can reach to HRC58-63.
Shanvim can OEM the famous brand such as SANDIVK,TEREX,HAZEMAG,TELSMITH,KLEEMANN,etc.
More information 
Whatsapp/Tel:+86 18042592838
Linkedin/Faceb]]></description><pubDate><![CDATA[20211214]]></pubDate></item>
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<title><![CDATA[Impact Bar]]></title><link><![CDATA[https://bearingcn.en.ec21.com/Impact-Bar--1387515_8852007.html]]></link><description><![CDATA[hardness testing, and ultrasonic testing, magnetic particle inspection, penetrative inspection, x ray inspection, dimension inspection of 3d, metallograph microscope, pressure testing, balance testin]]></description><pubDate><![CDATA[20140404]]></pubDate></item>
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<title><![CDATA[Tungsten Carbide Tip]]></title><link><![CDATA[https://johnzzjtcarbide.en.ec21.com/Tungsten-Carbide-Tip--11842169_11844117.html]]></link><description><![CDATA[We are a certified original manufacturer of tungsten carbide, offering unquestionable quality, unmatched prices, and attentive premium service. 
Durable and Resilient
— Crafted from ultra-hard tung]]></description><pubDate><![CDATA[20230913]]></pubDate></item>
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<title><![CDATA[Swing/Fixed Jaw Die for Jaw Crusher]]></title><link><![CDATA[https://baodakate.en.ec21.com/Swing-Fixed-Jaw-Die-for--10568012_11737692.html]]></link><description><![CDATA[hard rock and high abrasion application. It have
increased wear life duo to depper and wider wooth profile, it’s also a
good jaw plate for river gravel application.
Multi tooth, 
duo to “Sharper]]></description><pubDate><![CDATA[20231031]]></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[hard formation, laber intensity can be reduced.
Specifications
Model
diameter
PDC cutter
inserts
rock formation
working way
LJQ60GK
60mm
helmet shape
5
soft
cutting and crush
LJQ65GK
65mm
helmet shap]]></description><pubDate><![CDATA[20130708]]></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[Taper button bit is used for hard or very hard rock formation. Excellent quality and durability and Specialized heat treat &amp; stress relief，also Maximum performance and hole cleaning ability. Our bu]]></description><pubDate><![CDATA[20200630]]></pubDate></item>
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<title><![CDATA[Drilling Pipe Api 5d Drill Pipe DTH Drilling Pipe  5 1/2]]></title><link><![CDATA[https://10062013.en.ec21.com/Drilling-Pipe-Api-5d-Drill--8627001_8627054.html]]></link><description><![CDATA[hard banding (Arnco100XT, Arnco300XT, tungsten carbide etc). Hebei Longway Petroleum Equipment Co., Ltd. Contact:Caroline Mob: 0086-13673119276 Skype: carolinechina2 Web: http://www.lwdrill.com
]]></description><pubDate><![CDATA[20150915]]></pubDate></item>
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<title><![CDATA[High Wear Resistance Hardfacing Steel Wear Plate Used in Mining Industry]]></title><link><![CDATA[https://rxq112233.en.ec21.com/High-Wear-Resistance-Hardfacing-Steel--11007233_11007270.html]]></link><description><![CDATA[hardness, with good wear-resistant properties. The basic plate is adopted good rolled plate with good toughness and plasticity. The alloy wear-resisting layer and the basic plate is metallurgical com]]></description><pubDate><![CDATA[20190911]]></pubDate></item>
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<title><![CDATA[Tungsten Carbide Inserts]]></title><link><![CDATA[https://lindaguo88.en.ec21.com/Tungsten-Carbide-Inserts--8779487_8779488.html]]></link><description><![CDATA[hardness; 
13).purity without recled materials; 
14).with coating or uncoating; 
15).professional manufacture; 
16).different types of carbide buttons;
3.Physical &amp; Mechanical Properties of Main Grad]]></description><pubDate><![CDATA[20140227]]></pubDate></item>
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<title><![CDATA[China Manufacturer White Iron \cutting Edges Wear Bar Bi-metallic HB700 for Sugar Mill]]></title><link><![CDATA[https://saleshystertech.en.ec21.com/China-Manufacturer-White-Iron--8784720_8800311.html]]></link><description><![CDATA[Hardness 63HRC 
Wear resistant edges are the most cost effective alternative to expensive, labor-intensive hard facing methods and are easy to install and maintain. Knife Edges are available in many ]]></description><pubDate><![CDATA[20150807]]></pubDate></item>
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<title><![CDATA[NQ Impregnated Diamond Core Bit]]></title><link><![CDATA[https://csdrilling.en.ec21.com/NQ-Impregnated-Diamond-Core-Bit--8382535_9984931.html]]></link><description><![CDATA[hardness type and crown shapes, which are selected according to the hardness and abrasiveness of the formation to be drilled. If user can make rational selections according to the rock formations, th]]></description><pubDate><![CDATA[20160520]]></pubDate></item>
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<title><![CDATA[Super Quality Dth Bits and Hammers]]></title><link><![CDATA[https://smilebaby0114.en.ec21.com/Super-Quality-Dth-Bits-and--9337439_9337895.html]]></link><description><![CDATA[DTH hammer bit - 
1.Wide range of useage 
2.High quality and best price 
3.Long life and full model 
4.Be certified by ISO9001 
top quality of bits]]></description><pubDate><![CDATA[20160715]]></pubDate></item>

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