KAT DRILLING
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Drifting and tunnelling tools include rods, shank adapters, couplings and bits. We offer 7 primary threads: R25, R28, SR28, R32, SR35, and R35. Diameter range: 38-127mm. These are compatible with button bits, cross bits, and reaming products.
| Button Bit Type | Carbide Gauge (No./mm) | Carbide Front (No./mm) | Dimensions D (mm/in) | Flushing Hole (Front/Side) | ||||
|---|---|---|---|---|---|---|---|---|
| Flat Face Bit | 5 | 9.5 | 2 | 9 | 43mm | 1 11/16" | 1 | 1 |
| Flat Face Bit | 5 | 10 | 2 | 9 | 45mm | 1 3/4" | 1 | 1 |
| Flat Face Bit | 5 | 11 | 2 | 10 | 51mm | 2" | 1 | 1 |
| Retrac Bit | 6 | 9 | 3 | 8 | 48mm | 1 7/8" | 3 | 1 |
| Retrac Bit | 6 | 10 | 3 | 10 | 57mm | 2 1/4" | 3 | 1 |
