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hardened steel drill bits

(277)

ST68 4-6 Inch Spherical Bench Long Hole Tungsten Carbide Rock Drill Bit
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ST68 4-6 Inch Spherical Bench Long Hole Tungsten Carbide Rock Drill Bit Description This type of bit is well known for its wear resistance on soft to medium-hard rock formations (between 55 Mpa to 165 Mpa ... Read More

2022-03-15 16:40:35

R32 Rock Button Drill Bit Heat Process Carbide Semi-Ballistic
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R32 Rock Button Drill Bit Heat Process Carbide Semi-Ballistic Specifications our dominant drill bits are chisel bits, cross bits, buttons bits, DTH bits We are a professional company which is specialized in ... Read More

2022-03-15 16:40:36

Customization Tapered Tungsten Carbide Drill Bit For Rock Drilling
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Customization Tapered Tungsten Carbide Drill Bit For Rock Drilling Describtion Miroc tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Drillers ... Read More

2022-04-13 15:03:05

Tungsten Carbide H25 Thread Button Drill Bit For Mining Coal Small Hole Drilling
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Tungsten Carbide H25 Thread Button Drill Bit For Mining Coal Small Hole Drilling Describtion Miroc H25 Thread System affords drillers the ability to change drilling bits whilst still using the same drilling rod ... Read More

2021-08-26 12:01:23

Tungsten Carbide Material Tipped Mining Drill Bits Tapered Cross Bit
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Tungsten Carbide Tipped Mining Drill Bits Tapered Cross Bit Feature of Taper Button Bit 1. tapered button bits connect with tapered drill rod for drilling holes 2. Stale and mature welding technology ensure ... Read More

2021-08-30 09:45:01

Drilling Tools Button Drill Bit Convex Face 76mm 64mm T38 Button Bit
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Factory Price Quarry Drilling Tools Convex Face 76mm 64mm T38 Button Bit Market we are selling to: Asia: Philippines, Malaysia, Indonesia, Thailand, India,Vietnam,Iran, Pakistan, Jordan etc Africa: Nigeria, ... Read More

2025-03-11 10:02:36

Blue Color Threaded Carbide Button Drill Bit With R Thread And T Thread
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Blue Color Threaded Carbide Button Drill Bit With R Thread And T Thread Threaded Carbide Drilling Button Bit with R thread and T thread Product Description Thread button bits made with high quality of best ... Read More

2019-10-23 16:40:40

Durable Carbon Steel Threaded Drill Bit 89mm / T51 Quarrying Rock Drill Bit
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China Top 3 manufacturer affordble durable for button bit 89mm T51 Quarrying Retrac Threaded Rock Drilling Button Bit Item Specification Product Name Rock Drilling Tools T51 Brand MIROC Material Carbon steel ... Read More

2019-10-23 16:41:11

Tungsten Carbide Button Drill Bit R32 Dia 64mm Flat Face Or Drop Center
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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 ... Read More

2019-10-23 16:41:14

4 Inch Diameter T38 127mm Button Drill Bit With CNC Milling Heat Treatment Process
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T38 102mm Flat face with Spherical Button Bit T38 102mm Flat face with Spherical Button Bit: Product: T38 Button Bit Diameter: 102mm / 4 Inch Thread: T38 Face Design: Flat face Button/Carbide Type: Spherical ... Read More

2019-10-23 16:41:43

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