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hardened steel drill bits

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China Tungsten Carbide Button Drill Bit ST58 4 Inch / 3.5 Inch Hardened Steel Drill Bits factory

Tungsten Carbide Button Drill Bit ST58 4 Inch / 3.5 Inch Hardened Steel Drill Bits

Tungsten Carbide Button Drill Bit ST58 4 Inch / 3.5 Inch hardened steel drill bits Description This type of bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations ... Read More
2019-08-26 17:39:06
China Thread R38 Hardened Steel Drill Bits Dia 64 - 89mm For Drifting / Tunneling factory

Thread R38 Hardened Steel Drill Bits Dia 64 - 89mm For Drifting / Tunneling

R38 Spherical and Balistic Button Drill Bits Spherical Button Bit Drill Bit Diameter, mm No x Buttons diameter Flushing Holes Weight, kg Front Gauge Angle Front Side Button Bit Spherical 64 3 x 11 6 x 12 35 3 - ... Read More
2019-08-26 17:40:42
China R25 Threaded Rock Mining Tools / Hardened Steel Drill Bits , High Wear Resistance factory

R25 Threaded Rock Mining Tools / Hardened Steel Drill Bits , High Wear Resistance

R25 Threaded Button Bit With Spherical/Ballistic Button for Rock And Mining Drilling Describtion R25 Button Bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations ... Read More
2019-08-26 17:39:43
China Drifting / Tunneling Hardened Steel Drill Thread R28 Tungsten Carbide factory

Drifting / Tunneling Hardened Steel Drill Thread R28 Tungsten Carbide

Drifting / Tunneling Hardened Steel Drill Thread R28 Tungsten Carbide Specifications our dominant drill bits are chisel bits, cross bits, buttons bits, DTH bits We are a professional company which is specialize... Read More
2019-08-26 17:39:19
China High Speed R38 Button Drill Bit high Strength Alloy Steel Drilling Bit factory

High Speed R38 Button Drill Bit high Strength Alloy Steel Drilling Bit

Description This type of bit is well known for its wear resistance and high speed drilling on soft to medium-hard rock formations (between 70 Mpa to 180 Mpa compressive strength). Featuring ballistic tungsten ... Read More
2019-08-26 17:39:04
China Tungsten Carbide Tapered Chisel Drill Bit , Hardened Steel Drill Bits factory

Tungsten Carbide Tapered Chisel Drill Bit , Hardened Steel Drill Bits

Tungsten Carbide Tapered Chisel Drill Bit , Hardened Steel Drill Bits Tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Drillers choose tapered ... Read More
2019-04-16 19:22:06
China Durable Blue Chisel Drill Bit Hardened Steel Drill Bits With CNC Milling factory

Durable Blue Chisel Drill Bit Hardened Steel Drill Bits With CNC Milling

Durable Blue Chisel Drill Bit Hardened Steel Drill Bits With CNC Milling Description Tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Drillers ... Read More
2019-04-16 19:22:01
China Tungsten Carbide Drill Bit Tapered Hardened Steel Drill Bits Blue Green factory

Tungsten Carbide Drill Bit Tapered Hardened Steel Drill Bits Blue Green

Tungsten Carbide Tapered Chisel Drill Bit Hardened Steel Drill Bits Description Tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Drillers choose ... Read More
2019-04-16 19:22:05
China CNC Milling Hardened Steel Drill Bits Cross Type R32 1 3/5 inch factory

CNC Milling Hardened Steel Drill Bits Cross Type R32 1 3/5 inch

CNC Milling Hardened Steel Drill Bits Cross Type R32 1 3/5 inch Description Cross type bit with steel inserts using H25 thread system. It has a slow penetration rate but it produces a very straight drill hole. ... Read More
2016-12-13 17:01:13
China R32 1 3/5 Inch CNC Milling Cross Bits With Hardened Steel Drill Bits factory

R32 1 3/5 Inch CNC Milling Cross Bits With Hardened Steel Drill Bits

R32 1 3/5 Inch CNC Milling Cross Bits With Hardened Steel Drill Bits Description Cross type bit with steel inserts using H25 thread system. It has a slow penetration rate but it produces a very straight drill ... Read More
2016-12-13 17:01:13
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