KAT DRILLING
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Drifting and tunnelling tools include rods, shank adapters, couplings and bits. We have mainly 7 threads: R25, R28, SR28, R32, SR35, and R35. Diameter: 38-127mm, They can be used with button bits, cross bits and reaming products.
| Button Bit Type | Carbide Dimension (mm) | Dimensions D | Flushing Hole | |||||
|---|---|---|---|---|---|---|---|---|
| Gauge No. | Gauge mm | Front No. | Front mm | mm | inch | Front | Side | |
| Standard | 5 | 9.5 | 2 | 9 | 43 | 1 11/16" | 1 | 1 |
| Standard | 5 | 11 | 2 | 10 | 51 | 2" | 1 | 1 |
| Flat Face | 6 | 9 | 2 | 9 | 45 | 1 3/4" | 2 | 0 |
| Retrac | 6 | 10 | 3 | 9 | 51 | 2" | 3 | 1 |
