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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 8853 products from drill bit grading Manufactures & Suppliers
    Best 12mm Cross Head Rotary Hammer Drill Bits For Rock SDS Max Drill Bits wholesale

    Brand Name:ANSIAUTO

    Model Number:8/10/12mm drill bits

    Place of Origin:Ningbo,China

    ... Cross Head Rotary Hammer Drill Bits For Rock SDS Max Drill Bits Features: 1. Manufacturing Process(Profile): Milled 2. Point angle: 130º 3. Flute:single/double 4. Body Material:42CrMoNi Steel 5. Tip Material: Special Grade Carbide 6. Surface Treatment...

    ANSIAUTO IND CO.,LTD
    Verified Supplier

    Zhejiang

    Best Construction Diamond Core Drill Bits , Thin Wall Core Drill Bits 1 Inch To 16 Inch Diameter wholesale

    Brand Name:ROSCHEN

    Model Number:1" ~ 16"

    Place of Origin:CHINA

    ... Core Drill Bits 1 inch to 16 inch diameter Brief Introductions: Construction Diamond Core Drill Bit, Thin Wall Core Drill Bits The Construction Diamond Core Drill Bit, ie called thin-walled drill bit, also known as water drill bit and hollow drill bit, is...

    ROSCHEN GROUP
    Verified Supplier

    Shanghai

    Best High Pressure DTH Drill Bits Spherical Flat Face DHD3.5 for Borehole wholesale

    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

    Best Reverse Circulation Bits RC Bits RC Drill Bits RC Hammers Bits wholesale

    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

    Best Single Flute End Mill Cutter / Spiral Drill Bit Solid Carbide Rough End wholesale

    Place of Origin:CHINA

    Brand Name:QIANGLI

    ...Carbide Single Flute End Mill Cutter/Spiral Drill Bit/Solid Carbide Rough End Specifications 1. Hardness:HRC45/50/55/60/65 2. Flutes:2 flutes or 4 flutes 3. ...

    Jiangsu Qiangli Machinery Co.,Ltd
    Verified Supplier

    Jiangsu

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

    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

    Best TC Widia Cemented Tungsten Carbide Tips Fit Electric Cordless Rotary SDS Hammer Drill Bit wholesale

    Brand Name:RiXin

    Model Number:Tungsten carbide tip

    Place of Origin:Zhuzhou, Hunan, China

    ..., YG15C, YG15. Sizes customized or standard Brand Rixin Country of Origin Zhuzhou, China Usage hammer drill, electric drill, impact drill, power drill, earth auger drill, masonry drill bit Grades: Grades

    Zhuzhou Mingri Cemented Carbide Co., Ltd.
    Verified Supplier

    Hunan

    Best Coring Drill Bits , Wireline Core Hole Drill Bits For Core Tech Diamond Drilling wholesale

    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

    Best Unimate Impregnated Diamond Core Drill Bit For Micro Drilling Rigs HQ, BQ, NQ, PQ wholesale

    Model Number:AQ BQ NQ HQ PQ T2,NMLC

    Place of Origin:CHANGSHA HUNAN

    Brand Name:CHANGTAN

    ...Unimate Impregnated Diamond Core Drill Bit For Micro Drilling Rigs HQ, BQ, NQ, PQ Q series core bits Size O.D I.D Availability mm mm Imp. S.S T.C. PDC TSP E.P. AQ 47.75/47.50 27.10/26....

    Changsha Changtan Geological Equipment Co.,Ltd
    Verified Supplier

    Hunan

    Best 60 Pcs Diamond Head Drill Bit Dental Surgical Instruments Wear Resistance wholesale

    Brand Name:Huaxing

    Place of Origin:China

    ...60 Pcs Dental Diamond Drill Bits Good Sale High Speed Shank 1.6mm In consideration of the international transportation, the powder and ...

    Jiangyin Huaxing Diamond Tools Factory Co., Ltd
    Verified Supplier

    Jiangsu

    Best Impregnated Sythetic Diamond Core Drill Bit For Geological Exploration Industry wholesale

    Brand Name:JCDRILLS

    Model Number:HQ3

    Place of Origin:Hebei,China

    ... Core Drill Bits With High Drilling Performance Application The 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...

    Beijing Jincheng Mining Technology Co., Ltd.
    Verified Supplier

    Beijing

    Best 14mm Diamond Core Drill Bits For Granite / Stone With 3 / 8" Shaft wholesale

    Brand Name:JOHNSON TOOLS

    Model Number:BGB14

    Place of Origin:CHINA

    ... of 14mm Core Drill Bits For Drilling Granite Or Other Stone , With 3/8" Shaft 1) Core drilling thinner applications of stone, including granite, marble, sandstone, limestone, and so on. 2) Premium grade core bits that deliver fast drilling speed and...

    Johnson Tools Manufactory Co.,Ltd
    Verified Supplier

    Jiangsu

    Best High Speed Core Drill Bits / Impregnated Diamond Core Bits HQ , 95.76/95.38 mm wholesale

    Place of Origin:China

    Brand Name:SINOCOREDRILL

    Model Number:BWL NWL HWL PWL

    ....38 mm Diamond core bits HQ core drill bits , “SINOCOREDRILLS” brand has a high reputation in and out of China. The main crown technical parameters of impregnated diamond core bits include diamond grade,size,concentrarion and...

    Sinocoredrill Group Co.,Ltd
    Verified Supplier

    Jiangsu

    Best 1/4" Hex Shank Diamond Tip Drill Bit Quick Change Stable Performance For Tile Drilling wholesale

    Brand Name:OEM

    Model Number:JDR

    Place of Origin:China

    ... Tip Drill Bits For Marlbe, Granite, Tile Drilling 2. It can dry (without water) drilling on ceramic, granite and etc. materials, good sharpness and long life. Compared in the industry, our products have the best drilling...

    JDR Diamond Tools Co.,Ltd
    Verified Supplier

    Jiangsu

    Best 6" DHD360 , QL60 , SD6 , Down the hole DTH bit , rock drill bit , dth hammer bit , water drilling tools wholesale

    Brand Name:PANDA EQUIPMENT

    Model Number:DHD, MISSION, SD, QL, NUMA

    Place of Origin:CHINA

    .... PC Hammers and Bits, DTH drilling pipes and Top Hammer Drilling Tools. Our tools are widelyused in different drilling applications including mining,quarrying, water well drilling, geotechnical industries and etc. In DTH drilling, the rock drilling bit is...

    YANTAI PANDA EQUIPMENT CO., LTD
    Site Member

    Shandong

    Best Q7-45-7 22-60mm Tapered button drill bit for norway wholesale

    Place of Origin:China

    Brand Name:PRODRILL

    Model Number:Q7-45-7 22-60mm

    ...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 used for air leg or hand held...

    Xiamen Prodrill Equipment Co., Ltd
    Site Member

    Fujian

    Best High quality hot selling HIP Sintered Tungsten Carbide Drilling bits wholesale

    Brand Name:M&J

    Model Number:Various

    Place of Origin:China

    ... carbide for mining inserts Grade Density (g/cm3) Hardness(HRA) TRS(N/mm2) Recommended applications YK15 14.60 88.0 2600 Suitable for embedding rotary percussive drill bits of light rock drilling machines for drilling soft to medium...

    Marie Jays Metal Products Co.,Ltd
    Active Member

    Hunan

    Best 1/2 Inch HSS Reduced Shank Drill Bits wholesale

    Place of Origin:JIANG SU YANG ZHOU

    Brand Name:JWT

    ..., Our products have get high praise by the customes. JW Tools help to determine which drill bit is the best fit for your drill and your project. Designed for

    YANGZHOU JIANGWEI TOOLS CO,.LTD
    Site Member

    Jiangsu

    Best HQ Impregnated Diamond Core Drill Bit wholesale

    Place of Origin:Changsha, China

    Model Number:HQ Diamond Core Drill Bit

    ... Description Impregnated diamond bit: The impregnated diamond bits are the most commonly useful bits in the mineral exploration industry, as they have the widest range of application. The carefully selected grades of high quality...

    Changsha Miracleland Import & Export Co., Ltd
    Site Member

    Hunan

    Best DTH Drilling Bit / Rock Drilling Bit / Drilling Tool wholesale

    Brand Name:Lys

    Model Number:All

    Place of Origin:Hunan China

    ...DTH Drilling Bit / Rock Drilling Bit / Drilling Tool -The grades of tungsten carbide drill bit Grade Density (g/cm³) Hardness (HRA) T·R·S (N/mm2) Application YG4C 15.0 89.5 1800 Maily used as small buttons for percussion bits and as the inserts...

    Zhuzhou Lys Carbide Co.,ltd
    Site Member

    Hunan

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