KAT DRILLING
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Drifting and tunnelling tools include rods, shank adapters, couplings and bits. They are designed for high-performance drilling in various geological conditions. These tools can be used with button bits, cross bits and reaming products.
| Button Bit Type | Gauge Carbide | Front Carbide | Dimensions D | Flushing Hole | ||||
|---|---|---|---|---|---|---|---|---|
| No. | mm | No. | mm | mm | inch | Front | Side | |
| R28 Bit | 5 | 9 | 2 | 9 | 41 | 1 5/8" | 1 | 1 |
| R28 Bit | 5 | 9.5 | 2 | 8 | 43 | 1 11/16" | 1 | 1 |
| R28 Bit | 5 | 10 | 2 | 9 | 45 | 1 3/4" | 1 | 1 |
| R28 Bit | 5 | 11 | 2 | 9 | 48 | 1 7/8" | 1 | 2 |
| R28 Bit | 5 | 11 | 2 | 10 | 51 | 2" | 1 | 1 |
