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rock drilling tools for tunneling

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rock drilling tools for tunneling

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Quarrying Spherical Button Drill Bit T38 Tungsten Carbide Material
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Tungsten Carbide T38 Button bit with Dia 102mm,used in benching and long hole drilling Describtion This type of bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations ... Read More

2019-10-23 16:41:13

GB Standard Button Drill Bit T45 Dia 102mm-152mm High Wear Resistance
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Different rock hardness drilling button bit T45 with Dia 76mm and 89mm , benching and long hole drilling Describtion This type of bit is well known for its high wear resistance on medium-hard to hard abrasive ... Read More

2019-10-23 16:41:13

500 Mm Length R32 T38 T45 Thread Bench Drilling Drifting Atlas Copco Shank Adapter
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500 Mm Length R32 T38 T45 Thread Bench Drilling Drifting Atlas Copco Shank Adapter Shank Adapter Description Shanks adapter COP1036, COP1038, COP1238 Thread: R32 / T38 / T45 Length: 500mm Diameter: 38/45mm ... Read More

2022-03-15 15:37:22

R25 Reaming Drill Bit Pilot Ream Bit For Drifting And Tunneling Cut Holes Quarry Mining
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R25 Reaming Tools Pilot Ream Bit For Drifting And Tunneling Cut Holes Quarry Mining Bit Diameter: 33mm-45mm Length of drill rod: 250mm-4000mm Button bit design: Flat face, drop centre, normal and retrac body. ... Read More

2022-03-15 16:10:43

Different Rock Hardness Button Bit ST58 With Dia 102mm For Eliminating Hole Deviation
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Different rock hardness drilling button bit ST58 with Dia 102mm , benching and long hole drilling Describtion This type of bit is well known for its high wear resistance on medium-hard to hard abrasive rock ... Read More

2025-03-11 10:02:39

T38 64mm 2.5" Long Hole / Bench Drilling Threaded Button Bits
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T38 64mm 2.5" Long Hole / Bench Drilling Threaded Button Bits Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are ... Read More

2022-08-10 10:13:40

ST58 Spherical CNC Milling 4.5 Inch Rock Button Drill Bit
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ST58 Spherical CNC Milling 4.5 Inch Rock Button Drill Bit Description Thread drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough ... Read More

2022-03-15 16:40:35

T51 89mm High Wear Resistance Tungsten Carbide Rock Ballistic Button Bits
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T51 89mm High Wear Resistance Tungsten Carbide Rock Ballistic Button Bits Thread Button Drill Bits For Long Hole Drilling Underground. Rock drilling thread button bits are widely used in all kinds of mining, ... Read More

2022-10-27 14:21:46

R32 R38 Retractable Drill Bit Diameter 45 - 89mm For Drifting / Tunneling
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Description Button bit is well known for its high wear resistance on soft to medium-hard rock formations (between 55 Mpa to 165 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is ... Read More

2022-04-13 14:34:19

T38 T45 T51 Tungsten Carbide Drill Bits With Spherical / Ballistic Buttons
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This type of bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength). Featuring spherical tungsten carbide inserts that ... Read More

2022-04-13 14:34:19

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