Reaming bits

 

A reaming and guiding drill bit, also known as a reaming guide bit, is utilized for cutting the central hole during roadway excavation and rock drilling operations. This product comes in two varieties: the one-piece reaming guide bit and the split reaming guide bit. The latter consists of a reaming guide and a reaming drill bit.

Reaming bit
Style Connection mode Drill bit diameter
Integral type 　R32 R35 R28 R3212 TR35 T38 76-127mm
Integral oriented 　R25 R32 R35 R38 T38 T45 T51 ST58 ST68 64-254mm
Split type Guider 　R25 R28 R32 DR33 R35 TR35 T38 1222（Taper connection） 23-40mm
Reaming bit 　6°*φ28 6*φ34 6°*φ46 12°*φ30 12°*φ51 12°*φ63 57-127mm

 

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