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High Air Pressure DTH Drill Bit

Item No. Bit
Skystone drill bitR type top hammer drill bits include thread connection of R22,R25,R28,R32,R38 . the main diameter that is 32mm,35mm,38mm,45mm,48mm,51mm,64mm.(1.25inch,1.4inch,1.5inch,1.75inch,1.9inch,2inch,2.5inch) Button 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 is known to have strong configuration against carbide fracture. • Recommended for eliminating hole deviation • Widely used drifting and tunneling • Bit face design is ideal for medium-hard to hard abrasive rock
Detailed Description
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Applications

T38, T45, T51, ST58, ST68
Used in benching and long hole drilling.


Processing
CNC milling and proprietary heat treatment process

 

Competitive Advantage
High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance, High grade tungsten carbide inserts

 

Keywords
Button Bit, Rock Bit, Drill Bit, Rock Drill Bit, Thread Button Bit, Retrac Bit,
Dome Bit, Reaming Bit, Cross Bit, Chisel Bit, Rock Drilling Tools

 

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 drilling conditions


Ballistic Button Characteristics:
1. Fast Penetration
2. Best suited for soft rock
3. 10000-20000PSI(70 to 140Mpa)
4. Suited for non-abrasive drilling conditions

 

Applications of  rock drilling Bit

• Underground mining
• Tunneling,quarrying

 

Competitive Advantage

• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment


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