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2019
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Reaming bit
Reaming drill bit is also called reaming guide bit. The product is used to cut out the center hole in the roadway excavation and rock drilling operation. The reaming guide bit is divided into one-piece reaming guide bit and split reaming guide bit. The split reaming guide bit is composed of reaming guide and reaming drill bit.
| Reaming bit |
||||
| Style | Connection mode | Bit reaming diameter | Drill guide diameter | |
| Integral | R32,R35,R28,R3212,TR35,T38 | φ76mm-φ127mm | - | |
| Overall oriented | R25,R32,R35,R38,T38,T45,T51,ST58,ST68 | φ 64mm-φ 300mm | φ 28mm-φ 203mm | |
| Split-oriented | Guide | R25,R28,R32,DR33,R35,TR35,T38,1222. | - | φ23mm-φ40mm |
| Reaming bit | 6°28,6°34,6°46,12°30,12°51,12°63 | φ 57mm-φ 127mm | - | |
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