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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 2058 products from drill bit grading Manufactures & Suppliers
     HRC 45 55 60 65 Tungsten Carbide Center Drill Bit Manufactures

    Brand Name:Betalent

    Model Number:center drill bit

    Place of Origin:China

    ...Center drill bit, Carbide center drill, Center bit, Carbide center drill bit Center drill bit is a drill bit especially for center hole drilling, it is made of ultra-fine grain size tungsten carbide rod, which makes it has ...

    Xiamen Betalent Carbide Co.,Ltd
    Verified Supplier

    Fujian

     Tungsten Carbide Button Drill Bit R32 Dia 64mm Flat Face Or Drop Center Manufactures

    Brand Name:MIROC R32 Button Bit

    Model Number:R32 Thread Button Bit

    Place of Origin:China

    ...R32 Drill Bit With High Grade YK05 Tungsten Carbide Inserts Thread: R32 Color: Green or Based on Customer requirements Type: R32 Drill Bit Widely used drifting and tunneling R32 Thread Button Bit Specification R32 Button Bit Diameter...

    KSQ Technologies (Beijing) Co. Ltd
    Verified Supplier

    Beijing

     Re545  Reverse Circulation Drilling Tools Rc Drill Bits Head Diameter 130mm - 140mm Manufactures

    Brand Name:MIROC by KSQ

    Model Number:RC Drill Bits RE545

    Place of Origin:China

    ... Circulation Drilling RE545 RC Drill Bits Head Diameter 130mm - 140mm Carbide Inserts Description: MIROC by KSQ RC (Reverse circulation) Hammer and Bits are specifically designed for all kind of exploration drilling (deep hole and pit grade...

    KSQ Technologies (Beijing) Co. Ltd
    Verified Supplier

    Beijing

     Diameter 152mm Reverse Circulation RC Drill Bit For Mining Manufactures

    Brand Name:SOLLROC

    Model Number:RC bit

    Place of Origin:China

    ...Reverse Circulation RC Rock Drill Bit For Mining And Grade Control Specification: RC series drill bit specification Drill bit shank Bit diameter (mm) Guage Front Center Recommend shroud weight (kg) buttons buttons buttons SRC531 84 6×φ...

    Changsha Sollroc Engineering Equipments Co., Ltd
    Verified Supplier

    Hunan

     High Performance Core Drilling Equipment Impregnated Core Drill Bits Manufactures

    Brand Name:ROSCHEN

    Model Number:AW34

    Place of Origin:CHINA

    ...AW34 Impregnated Diamond Core Drill Bits With High Drilling Performance Introduction: The main technical parameters of impregnated diamond core bits include diamond type, size, concentration and diamond grade, matrix hardness and crown shapes etc. If...

    ROSCHEN GROUP
    Verified Supplier

    Shanghai

     5/8"-11 Thread Male To 5/8" -11 Female Extender 6 12 Inch Diamond Core Drill Bits Manufactures

    Brand Name:SinoDiam

    Model Number:VEXT

    Place of Origin:CN

    ...Or 12 Inch Extension Core Drill Bit 5/8"-11 Thread Male To 5/8" -11 Female Extender 1. Core Drill Bit Extension Description 6" extension 5/8-11 overall length: 6" ( 5.5" extension ) Industrial Grade Steel Adapter only, bit not included This is dry type...

    Henan Sinodiam International Co., Ltd.
    Verified Supplier

    Henan

     T38 R38 High Grade Tungsten Carbide Thread Button Drill Bit Manufactures

    Brand Name:OEM

    Place of Origin:CHINA

    ... High Grade Tungsten Carbide Thread Button Drill Bit Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands...

    Beijing Silk Road Enterprise Management Services Co.,LTD
    Verified Supplier

     Wireline Sythetic Diamond Impregnated Drill Bit With ISO9001 Certification Manufactures

    Brand Name:Core Master

    Model Number:N/WL Turbo Profile (75.31mm/47.63mm)

    Place of Origin:China

    ...Wireline Diamond Drilling Tools Sythetic Diamond Impregnated Core Drill Bits 1. Impregnated diamond core bit It’s most popular and commonly in the mineral’s exploration field and geology’s exploration field. Nowdays ...

    CGE Group Wuxi Drilling Tools Co., Ltd.
    Verified Supplier

    Jiangsu

     Impregnated Sythetic Diamond Core Drill Bit For Geological Exploration Industry Manufactures

    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

     Indexable Center Drill Bit Manufactures

    Brand Name:OEM

    Place of Origin:CHINA

    ... Tungsten Carbide Twist Drill Bits Coating Introduction Drill Grade Coating Name Color Hv μm Friction The Max ℃ HRC55 coating TiSiAlN bronzed 3400 1-4 0.7 900℃ Carbide Material Introduction Drill Grade Material Grade Grain Introduction Application...

    Supal (changzhou) Precision tool co.,ltd
    Verified Supplier

     Strong Corrosion Resistance Drill Bit Nozzle YG6/YG8/YG11/YG13 Grade Manufactures

    Brand Name:ZONCO

    Model Number:Customized

    Place of Origin:Zhuzhou

    ... Nozzle Drill Bit Nozzle Product description Product Name carbide drill bit nozzle Brand ZONCO Model Customized Type Crossing slot/Inner hexagonal/Outter hexagonal/ Cinquefoil/Triangular slot/Inner crossing Material 100% Virgin Tungsten Carbide Grade YG6...

    Zhuzhou Zonco Sinotech Wear-resistant Material Co., Ltd.
    Verified Supplier

    Hunan

     50mm Diamond Dry Core Drill Bits for Granite 5/8”-11 or M14 thread Manufactures

    Brand Name:JOHNSON TOOLS

    Model Number:1/4inch,1 3/8inch, 2inch/6mm,35mm,50mm

    Place of Origin:CHINA

    ... Core Drill Bits: 1/4inch,1 3/8inch, 2inch/6mm,35mm,50mm for Granite, 5/8”-11 or M14 thread Core drilling thinner applications of stone, including granite, marble, sandstone, limestone, and so on. Premium grade core bits that...

    Johnson Tools Manufactory Co.,Ltd
    Verified Supplier

    Jiangsu

     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

     Polycrystalline Diamond Compact Drill Bit Nozzle High Temperature Resistance Manufactures

    Brand Name:ASEEDER

    Model Number:AN-11

    Place of Origin:CHINA

    ...Drill Bit Nozzle High Temperature Resistance Drill Bit Nozzle Information: 1, 100% raw material grade with high hardness ,anti-corrosion and longer life 2, various specification in stock or customize as your requirements 3, Type: pdc bit nozzle,tricone bit...

    SEED TECHNOLOGIES CORP., LTD.
    Verified Supplier

    Hunan

     Finished Surface Cemented Carbide Substrate For PDC Drill Bit Tip Manufactures

    Brand Name:HONG ZUAN

    Model Number:Carbide button customized

    Place of Origin:Hunan, China (Mainland)

    ...Finished Surface Cemented Carbide Substrate For PDC Drill Bit Tip Tungsten Carbide Insert Buttons 1. 100% virgin raw materials. 2. Various kinds of grades are availalbe based on customer's application. 3. we have professional advanced production...

    Zhuzhou Hong Tong Tungsten Carbide Co LTD
    Verified Supplier

    Hunan

     Tungsten Carbide Drill Bits For Concretes 3D Coating Black Or Copper Color Manufactures

    Model Number:DB-3D/5D

    Place of Origin:MADE IN CHINA

    Brand Name:KTC

    ...Tungsten Carbide Drill Bits For Concretes 3D Coating Black Or Copper Color Specifications: Raw Material GU20UF/TF200 WC 89% ...

    Changzhou Xinpeng Tools Manufacturing Co.,Ltd
    Verified Supplier

    Jiangsu

     YG8 Grade Carbide Rock Drill Bits Size Customized For Mining / Drilling Manufactures

    Brand Name:VKD

    Model Number:T25

    Place of Origin:zhuzhou

    ...YG8 Grade Carbide Rock Drill Bits Size Customized For Mining / Drilling Advantages of our tungsten carbide products: 1. Made from 100% origin raw material. 2. Producted by advanced ...

    Zhuzhou Weikeduo Cemented Carbide Co., Ltd.
    Verified Supplier

    Hunan

     Stable Performance Dth Bits And Hammers Drilling Bits For Dth Hammer Manufactures

    Place of Origin:Zhejiang, China

    Brand Name:Sanrock

    ...Stable Performance Dth Bits And Hammers Drilling Bits For Dth Hammer Product Description 1. Grade: 2. Size: M3-48 3. Standard: DIN 315 4. Certification: ISO9001, SGS, CTI, ROHS Product Name Best stainless ...

    Quzhou Sanrock Heavy Industry Machinery Co., Ltd.
    Verified Supplier

    Zhejiang

     zhuzhou cemented carbide mining button, tungsten carbide button, hardmetal button Manufactures

    Place of Origin:China

    ...Grade Grade Density g/cm³ Hardness HRA TRS N/MM² Applications recommended YG8C 14.55-14.75 ≥87.5 ≥2000 It is suitable for making geological prospecting drill bits and mining inserts for light electrical drills for drilling soft...

    Zhuzhou yunrui hardmetal co.,ltd
    Active Member

    Hunan

     DTH Drilling Bit / Rock Drilling Bit / Drilling Tool Manufactures

    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
    Active Member

    Hunan

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