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Description
R25 R32 R38 Mining Hard rock drilling Tools Quarry Tungsten Carbide Inserts Threaded Reaming Button Drill Dome Bit Durable
These bits are designed for layer drilling, to enlarge pilot holes for long hole blasting of drop raises in underground mines, and constructing service holes.
Acedrills' reaming equipments come with three kinds: reamer bit match with pilot bit, or dome bit or hole opener bit separately.
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Reaming Bits |
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Pilot Drill Bits |
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Dome Bits |
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Hole Opener Bits |
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Bits Diameter |
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57~160mm |
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36 or 40mm |
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76~152mm |
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Tapper Degree 6º,12º |
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PRODUCT SPECIFICATION
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Bits Diameter |
Connection |
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Reaming Bits |
57 ~ 160mm (2 1/4” ~ 6 1/4”) |
6°, 12° taper degree, or R25, R28, R32 threads |
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Pilot Drill Bits |
36 or 40mm (1 27/64” or 1 37/64”) |
with back thread size of R25, R28, R32, and matched central connection as the relative reamer bits |
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Dome Bits |
76 ~ 152mm (3” ~ 6”) |
R25, R28, R32, R38, T38, T45, and T51 |
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Hole Opener Bits |
Reamed:76 ~ 165mm (3” ~ 6”) Pilot:26 ~ 102mm (1” ~ 4”) |
R32, R38, T38, T45, and T51 |
How to order?
Reaming Bits: Diameter + Taper Degree or Thread
Pilot Drill Bits: Diameter + Body Taper Degree or Thread + Back Thread
Dome Bits: Diameter + Thread
Hole Opener Bits: Reamed Diameter + Pilot Diameter + Thread
