R32 76mm For Drilling Thread Reaming Button Bits
Brand Name:MIROC
Certification:ISO
Model Number:R32 76mm
Delivery Time:10-25days
Place of Origin:CHINA
Supply Ability:30000pcs per month
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Beijing Beijing China
Address:
Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
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R32 76mm For Drilling Thread Reaming Button Bits
Reaming drilling tools are used when a large diameter is needed to
be reamed out after a pilot holes is drilled to a depth. We
manufacture pilot reaming drilling tools, domed reaming button bits
and adapter reaming button bits. Pilot reaming drilling tools
consist of pilot adapters and reaming button bits, however, both
domed reaming button bits and and adapter reaming button bits are
one-piece designed;
Thread sizes:R25,R28,R32,R38,T38,T45,T51,ST58;
Reaming diameters: 76mm, 89mm, 102mm, 127mm;
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.
reaming equipments come with three kinds: reamer bit match with pilot bit, or dome bit or hole opener bit separately.
Specification Overview:
| Bits Diameter | Connection | |
| Reaming Bits | 57 ~ 160mm (2 1/4” ~ 6 1/4”) | 6°, 12° taper degree, or R25, R28, R32 threads |
| 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 |
| Dome Bits | 76 ~ 152mm (3” ~ 6”) | R25, R28, R32, R38, T38, T45, and T51 |
| Hole Opener Bits | Reamed:76 ~ 165mm (3” ~ 6”) Pilot:26 ~ 102mm (1” ~ 4”) | R32, R38, T38, T45, and T51 |
R32 76mm For Drilling Thread Reaming Button Bits
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