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    drill bit grading

    All drill bit grading wholesalers & drill bit grading manufacturers come from members. We doesn't provide drill bit grading products or service, please contact them directly and verify their companies info carefully.

    Total 12299 products from drill bit grading Manufactures & Suppliers
     High Pressure DTH Drill Bits Spherical Flat Face DHD3.5 for Borehole Manufactures

    Brand Name:MIROC

    Model Number:DTH3.5 / M30

    Place of Origin:ShanDong China(Mainland)

    ...High Pressure DTH Drill Bits Spherical Flat Face DHD3.5 for Borehole DTH rock drill bits have four kinds of button type Spherical button : good wearing resistance, suited to hard ground, ...

    KSQ Technologies (Beijing) Co. Ltd
    Verified Supplier

    Beijing

     HWT Impregnated Hard Rock Casing Shoe Drill Bits For Exploration Core Drilling Manufactures

    Brand Name:ROSCHEN

    Model Number:BW NW HW PW

    Place of Origin:CHINA

    ... drill bit for Exploration Core Drilling Casing shoe drill bit Our impregnated diamond core bits are the most commonly useful bits in the mineral exploration industry, as they have the widest range of application. The carefully selected grades...

    ROSCHEN GROUP
    Verified Supplier

    Shanghai

     K10 Cemented Carbide Inserts Tips Fitting Roof Drill Bits For Mining Industry Manufactures

    Brand Name:Gingte Li

    Model Number:Cutomized Size are accepted

    Place of Origin:Zhuzhou,Hunan

    ... offer a wide variety of sizes. Roof bits for underground rock and coal mining roof drilling are set to save your drilling cycle time and extend your drill bit life.Various Sizes and Shapes can also...

    Zhuzhou Gingte Cemented Carbide Co.,LTD
    Verified Supplier

     Coring Drill Bits , Wireline Core Hole Drill Bits For Core Tech Diamond Drilling Manufactures

    Brand Name:Sinotechdrill

    Model Number:NQ,HQ,PQ,LTK,T2,T6,T6S,HWF,PWF,NWG,HWG,NX,HX,NMLC

    Place of Origin:China

    ...Advantages for core drill bits : 1. Fast cutting and drilling speed 2. Long life, stable performance 3. Low power consumption 4. Professional OEM, superior grade quality 5.. CE: ISO: 9001: 2000 Size AQ,BQ,NQ,HQ,PQ Application geological...

    Sinotechdrill International Co., Ltd
    Verified Supplier

    Shandong

     Reverse Circulation Bits RC Bits RC Drill Bits RC Hammers Bits Manufactures

    Brand Name:SOLLROC

    Model Number:Reverse Circulation Bits RC Bits RC Drill Bits

    Place of Origin:China

    ...Reverse Circulation Bits RC Bits RC Drill Bits RC Hammers Bits Specification: REVERSE CIRCULATION DRILL BIT This reverse circulation drill bits are widely used in the following applicaiton field: Geologic exploration samples, Oil wells and ore ...

    Changsha Sollroc Engineering Equipments Co., Ltd
    Verified Supplier

    Hunan

     T51 89mm High Speed Drill Bits / Button Drill Bit 33 - 178mm Diameter For Mining Manufactures

    Brand Name:JCDRILL

    Model Number:All Models

    Place of Origin:China (Mainland)

    ...T51 89mm High Speed Drill Bits / Button Drill Bit 33 - 178mm Diameter For Mining JCDRILL Thread Retract Button Drill Bit Retractable rock drill button bit is well known for its high wear resistance on medium-hard to hard...

    Beijing Jincheng Mining Technology Co., Ltd.
    Verified Supplier

    Beijing

     Low Air Pressure DTH Drill Bits Alloy Steel For Hammer , High Penetration Manufactures

    Brand Name:New Diamond

    Model Number:CIR/J

    Place of Origin:Hunan, China (Mainland)

    ...Low Air Pressure for drilling tool Description DTH drill bits have powerful drilling capacity, great reliabiltiy and low operating cost. Advanced prodction techologies and skillful design, as well ...

    Hunan New Diamond Construction Machinery Co., Ltd.
    Verified Supplier

    Hunan

     Rotary SDS MAX Hammer Drill Bits Cross Tip Sandblasting Finish Long Life Span Manufactures

    Brand Name:SEB

    Model Number:SEB-HDB003

    Place of Origin:China

    ...SDS MAX Rotary Hammer Drill Bit with Cross Tip Sandblasting Finish Description: SDS drill bits are used in a rotary hammer drills(on rotary hammer drilling mode)for boring holes into dense masonry,and have special fitment...

    Shanghai ShangErBo Import & Export Co.,Ltd
    Verified Supplier

    Shanghai

     Wear Resistance  Carbide Rock Drill Bits , Tungsten Carbide Mining Bits Manufactures

    Brand Name:yicheng tungsten carbide drill bit

    Model Number:custom

    Place of Origin:Zhuzhou,Hunan,China(mainland)

    ...variety coated color tungsten carbide bit for drilling in mining Productivity or cost-per-hole is the biggest trend affecting drilling today. This means drilling-tool and tungsten carbide drill bit manufacturers must find ways to...

    Zhuzhou Yicheng Cemented Carbide Co., Ltd.
    Verified Supplier

     Anti Wear Quarry Tunnel Bench Tapered Drill Bit 32Mm 34mm 36mm 38mm 40mm 42mm Manufactures

    Brand Name:Kinglong

    Model Number:tapered drill button bit

    Place of Origin:China

    ... Tapered Drill Bit 32Mm 34mm 36mm 38mm 40mm 42mm Tapered drill bits are widely used in mining and quarrying, with the advantages of higher driving efficiency, long service life, better powder exhausting and easier bit...

    Sino Rock Drilling Tools
    Verified Supplier

    Henan

     Ore Mining Hard Rock Drill Bits Wear Resistant High Efficiency IADC635 Manufactures

    Brand Name:Tianying

    Model Number:12 1/4" IADC635

    Place of Origin:Hunan CHINA

    ...IADC635 Hard Rock Drill Bits Attached To The Drill String For Mining Click here for catalogueTCI DRILL BIT.pdf Application Medium to Medium-Hard Formation Application: For use in moderately abrasive consolidated formations ...

    Hunan Tianying Drilling Machine Manufacturing Co., Ltd.
    Verified Supplier

    Hunan

     High Air Pressure Rock Button Drill Bit Carbide Steel Made Well Drilling Usage Manufactures

    Brand Name:Jinxin

    Model Number:Drill Bit

    Place of Origin:Zhuzhou

    ... the life of the drill bits; 2. High drilling efficiency: the high grade hardness of the carbides can always stay sharp, which could increase the drilling speeds too; 3. It can greatly reduce the drilling cost, because of...

    Zhuzhou Jinxin Cemented Carbide Co., Ltd.
    Verified Supplier

    Hunan

     VKD Tungsten Carbide Rock Drill Bits Good Wear Resistance For Rock Drilling / Mining Manufactures

    Brand Name:VKD

    Model Number:T25

    Place of Origin:zhuzhou

    ...VKD Tungsten Carbide Rock Drill Bits Good Wear Resistance For Rock Drilling / Mining Features OED Self Drilling Anchor System Is A Bolting Solution For Difficult Ground And Rock Conditions. The System Enables Drilling And Grouting In...

    Zhuzhou Weikeduo Cemented Carbide Co., Ltd.
    Verified Supplier

    Hunan

     Long Service Life Tapered Drill Bits 32-40mm Diameter With Excellent Drilling Performance Manufactures

    Place of Origin:China

    Brand Name:PRODRILL

    Model Number:Q7-41-722-60

    ... selling tapered blast hole button drill bit for stone Tapered Bit: Taper button bit as small hole bit is different with thread button bit as long hole bit to use taper match with bit with rod to be...

    Xiamen Prodrill Equipment Co., Ltd
    Verified Supplier

    Fujian

     Dth Diamond Core Drill Bit For Geotechnical Drill Rigs Geo Environmental Drilling Manufactures

    Brand Name:Legend Drill

    Model Number:NQ2 NQ3 HQ2 HQ3 Rock Core Drill Bits

    Place of Origin:China

    ... an important role in speeding up the drilling speed and increasing the single drill bit. Drilling an oil and gas well generally requires the use of multiple drill bits of different sizes. When drilling the upper formation, a

    HAO Carbide Co., Ltd
    Verified Supplier

    Hunan

     High Hardness Top Hammer Drill Bits , Button Drill Bit 38mm 11 Degree Manufactures

    Brand Name:Adriller

    Model Number:38mm

    Place of Origin:China

    ... meters drilled before first regrind, more meters drilled between regrinds, And many more meters drilled at bit discard. This is long-lasting performance you can rely on. Longer grinding intervals Adriller taper button drill bits improve...

    Changsha Adriller Machinery Co.,Ltd.
    Verified Supplier

     Professional PDC Oil Well Drill Bit , 3 Blade Diamond Drill Bits For Oil Rigs Manufactures

    Brand Name:ZZBETTER

    Model Number:3 Blade

    Place of Origin:Zhuzhou

    ...Diamond Edge Pdc Drill Bits With Pdc Cutters Made In China For Oilfield PDC drill bits are produced with a tungsten carbide crown imparting a much superior wear resistance than equivalent steel headed bits. The PDC cutters...

    ZhuZhou Better Tungsten Carbide Co., Ltd
    Verified Supplier

    Hunan

     Forging Processing Type BX NX HX Diamond Core Drill Bit 56mm - 122mm Size Manufactures

    Brand Name:DOUBLEFIT

    Model Number:DF-100

    Place of Origin:WUXI

    ...NQ BQ HQ Diamond drill bit for core drilling rig,diamond bit for sale Product Description 1. Diamond drill 2. The diameters of drill tools: NQ, BQ,HQ, etc 3. Hig quality and long life usage Mineral exploration tools...

    Doublefit International Tradition Co.,LTD
    Verified Supplier

    Jiangsu

     8mm Diamond Core Drill Bits For Tile , Metal Bond Diamond Core Drilling Bits Manufactures

    Brand Name:JOHNSON TOOLS

    Model Number:BGB14

    Place of Origin:CHINA

    ...8mm Diamond Core Drill Bits For Tile , Metal Bond Diamond Core Drilling Bits 1.Description of 8mm Core Drill Bits For Tile 1) Core drilling thinner applications of tile 2) Premium grade core bits that deliver fast drilling speed and extend product life...

    Johnson Tools Manufactory Co.,Ltd
    Verified Supplier

    Jiangsu

     Amber Finished Double End Drill Bits HSS M35 Co5% Tubby Body Twist Drill Bit Manufactures

    Brand Name:RTCRAFT or OEM

    Model Number:Metric Size or Inch Size

    Place of Origin:CHINA

    ...HSS Cobalt Double End Drill Bit M35 Co5% HSS Co Stubby Body Twist Drill Bit 135 Deg. Split Point Cobalt Drill Bit Description of Double Ended HSS Drill Bits: PREMIUM MATERIAL:High Grade High Speed Steel with Cobalt 5% to...

    DANYANG RIGHTOOLS CO.,LTD
    Verified Supplier

    Jiangsu

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