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Low 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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1. Button Shape: Spherical,Semi-ballistic,Ballistic.
2. Durable performance, wear resistant and withstanding large impacting force.
3. Long life span.
5. Fast delivery time.


It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.

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