KAT DRILLING
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Reaming drilling tools are essential when a large diameter hole is required after a pilot hole has been drilled to a specific depth. Our range includes pilot reaming drilling tools, domed reaming button bits, and adapter reaming button bits. While pilot reaming tools consist of separate adapters and bits, the domed and adapter reaming versions feature a robust one-piece design for maximum efficiency.
Specially designed for blasting duties in tunneling, infrastructure construction, mining, and quarrying operations.
| Thread | Gauge Carbide | Front Carbide | D (mm/in) | d (mm/in) | Flushing Hole | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. | mm | No. | mm | mm | in | mm | in | Front | Side | |
| R32 | 8 | 14 | 4/3 | 11/11 | 102 | 4" | 41 | 1 5/8" | 2 | 0 |
| T38 | 8 | 14 | 7/4/2 | 11/11/9.5 | 102 | 4" | 51 | 2" | 2 | 0 |
| T45 | 8 | 14 | 4/6 | 12.7/12.7 | 127 | 5" | 64 | 2 1/2" | 2 | 0 |
| ST58 | 8 | 16 | 4/6 | 14/14 | 152 | 6" | 89 | 3 1/2" | 2 | 0 |
| R32 | 8 | 12.7 | 6/1 | 12.7/9.5 | 102 | 4" | 29 | 1 5/32" | 3 | 2 |
A: Reaming bits are used to enlarge a pre-drilled pilot hole to a larger diameter, which is essential for certain blasting patterns in mining and construction.
A: Our reaming tools support a variety of standard threads including R32, T38, T45, and ST58, catering to different drilling rig requirements.
A: We use high-grade YK05 or T6 tungsten carbide buttons that are hot-mounted into the carbon steel body to ensure maximum wear resistance and long service life.
A: Yes, the bits are designed with different button configurations to handle various geological conditions, from soft to extremely hard and abrasive rock.
A: We offer a standard specification range from 76mm to 225mm. For specific technical needs, the parameters can be matched to your drilling depth and diameter requirements.
A: Hot-mounting ensures a tighter fit between the carbide buttons and the bit body compared to cold-pressing, significantly reducing the risk of button loss during high-impact drilling.
