drill bit grading

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, ...

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...

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...

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...

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 ...

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...

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 ...

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...

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...

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...

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 ...

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...

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...

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...

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

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...

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...

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...

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...

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...