coal mining bi center drill bit

Brand Name:ENG

Model Number:8500

Place of Origin:China

...Bi Center Drill Bit Of Hard Rock Drill Bit​ 1. Specification A variety of Bi-Center of pdc drill bits are available from us in both Steel and Matrix body types. The products from Bi-Center include the following performance-enhancing features: • Directionally responsive; • Force-balanced cutting structure; • CFD enhanced hydraulics arrangement. Our Bi-Center bits...

Place of Origin:Hebei,China

Product Description: PDC Bi-Center Bit is a specially designed drill bit that allows for hole enlargement while drilling. It is used to drill a smaller pilot hole and simultaneously expand the wellbore diameter. This bit combines the efficient cutting ...

Brand Name:AMINATECH

Model Number:φ32-102mm

Place of Origin:China

Product Description Product Name Big Arbors for Bimetal Hole Saw Material Bimetal Surface Finish Oxide Black,Electro-plated Black Size φ32-102mm Package Paper Card,Blister pack,or to be Customized Qty/Carton 60Pieces Carton Measurement 29*29*20cm Usage...

Brand Name:FLRT

Model Number:FSB Series

Place of Origin:China

...Brief Description * Wellbore reaming operation Special configuration and unique cutters layout make the bit applicable for reaming or drilling in plasticity formation where wellbore shrinkage happened. * Bi-center structure The bit comprises two parts, the

Brand Name:MIROC by KSQ

Model Number:B1264-T38-S

Place of Origin:China (Mainland)

...Bit Hard Rock Drill Bit of Drop Center and Ballistic Insert Buttons We are one of the professional manufacturers & suppliers of rock drilling tools, tungsten carbide button bits, DTH bits, DTH hammers, rock tools, coal mining tools, mining rock tools, quarrying tools, machine tools, DTH hammers & bits, retrac button bits, thread button bits, tapered button bits, chisel bits, cross bits, thread cross bits, tapered cross bits...

Brand Name:YJ

Model Number:YJ-YL009

Place of Origin:China

Foundation Piling Replaceable Roller ConesSingle Cone Bit For Well Drilling Single Cone Bit best sell cone Product Description Basic Info Model NO.: 12 1/4 Certification: API Type: Center Drill Bit Usage: Well Drilling, PCB Drilling, Metal Drilling, ...

Brand Name:Hainaisen

Model Number:113PA2

Place of Origin:China

113mm Steel Body PDC Bit Diamond Non-Core Drill Bit Water Drill Bit Characteristics: 1. The drill has a shallow taper and a large nozzle in the center of the drill. Therefore, the drill has the advantages of good guiding quality, strong cleaning power and ...

Brand Name:ZHONGZUAN

Place of Origin:Chongqing, China

... when the hole is opened, and the operation is more stable 2. All specifications are equipped with chip holes, which improves the speed of removing cylindrical iron chips in the holes 3. The center drill in the hole opener has high strength and

Place of Origin:China

Brand Name:Jinquan

Model Number:Threaded & Tapered

T51 89mm Tungsten Carbide Threaded Retrac Button Bits, Ballistic Type Button BitsManufacturers & Suppliers, from China. We are one of the professional manufacturers & suppliers of rock drilling tools, tungsten carbide button bits, DTH bits, DTH hammers, ...

Brand Name:New Diamond

Model Number:COP32

Place of Origin:Hunan, China (Mainland)

Description Now high-pressure down-hole drilling, the current design of the face there are four main forms: the convex surface type, the end surface of the plane, the surface of the concave surface and the end of deep concave center. Carbide multi-choice ...

Brand Name:MIROC

Model Number:B1489-T51-B

Place of Origin:China

... of rock drilling engineering, mining, railway, tunnel, highway and other engineering construction. Advantages: • High grade tungsten carbide inserts • Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and

Brand Name:MTH

Model Number:R25 48mm

Place of Origin:CHINA

...Drill Thread Button Bit R25 48mm For Coal Mining Description: Minetech's threaded drill bits provide high speed rock impact, fast drilling speed and high rock breaking efficiency. A comprehensive range of various button bits shown as below: Thread sizes R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60 Head diameters 33mm ~ 152mm Face designs Flat face, drop center...

Brand Name:Tianying

Model Number:IADC635

Place of Origin:CHINA

... for soft, medium, or hard rock formations, it is connected with the drill stem and rotates along with it, and drive cones to pressed on the rock. Each cone rotates round the axis of its leg and three cones simultaneously revolve around the bit center.