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spherical drill bit

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4" 5" T38 Dome Reaming Drill Bit Rock Drilling Tools 102mm - 107mm
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4" 5" T38 Dome Reaming Drill Bit Rock Drilling Tools 102mm - 107mm Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to ... Read More

2022-03-21 16:57:28

T45 Tungsten Carbide Dome Reaming Drill Bit Threaded Drill Bit
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T45 Tungsten Carbide Dome Reaming Drill Bit Threaded Drill Bit Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the ... Read More

2022-03-15 16:20:24

Down The Hole DTH Drill Bits Low Pressure Carbide Tipped Drill Bits
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Down The Hole DTH Drill Bits Low Pressure Carbide Tipped Drill Bits Description In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the ... Read More

2025-03-10 16:14:00

R38 Flat Face Button Drill Bit For Hard Rock Drilling And Hole Blasting
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R38 Flat Face Button Drill Bit For Hard Rock Drilling And Hole Blasting Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are ... Read More

2020-07-24 16:04:22

T60 102mm Diameter Carbide Steel Material Retrac Body Rock Button Drill Bit
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T60 102mm Diameter Carbide Steel Material Retrac Body Rock Button Drill Bit Oilfield, waterwell, HDD, and geothermal drillers extensively use button bits to drill hard rock. Button bits offer several advantages ... Read More

2025-03-11 10:02:38

Factory Price China Made Tunneling R32 43mm Ballistic Button Drill Bits For Mining
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Button bit and Insert types. Spherical Button Characteristics: 1.Universal button 2.Good wear resistance 3.Best suited for hard ground 4.27000-48000PSI(180 to 320Mpa) 5.Suited for abrasive to very abrasive ... Read More

2025-03-19 19:56:36

Spherical / Ballistic Button High Speed Drill Bits Alloy Steel Meterial Dia 64 - 89mm
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Description This type of bit is well known for its wear resistance and high speed drilling on soft to medium-hard rock formations (between 50 Mpa to 150 Mpa compressive strength). Featuring ballistic tungsten ... Read More

2019-10-23 16:40:46

T45 152mm Retrac Body Button Drill Bit With Drop Center For Granite Drilling
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T45 152mm Drop Center Face Button Drill Bit for Hard Rock Drilling and Hole Blasting Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling ... Read More

2020-05-06 14:49:59

Industrial Alloy Steel DTH Drill Bits Water Well Drilling Bit
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Industrial Alloy Steel DTH Drill Bits Water Well Drilling Bit Description In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is ... Read More

2025-03-10 16:13:59

Middle - High Pressure DTH Drill Bits Stone Drilling Bits 3 Hole
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Middle - High Pressure DTH Drill Bits Stone Drilling Bits 3 Hole Description In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston ... Read More

2025-03-10 16:13:59

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