KAT DRILLING
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Drifting and tunnelling tools include rods, shank adapters, couplings and bits. We provide 7 main thread types: R25, R28, SR28, R32, SR35, and R35. With a diameter range of 38-127mm, these are compatible with button bits, cross bits, and reaming products.
| Product View | Gauge Buttons [No.] | Gauge [mm] | Front Buttons [No.] | Front [mm] | Dimensions D [mm] | Dimensions D [in] | Flushing Hole (Front/Side) |
|---|---|---|---|---|---|---|---|
 |
5 | 9 | 2 | 9 | 41 | 1 5/8" | 1 / 1 |
| 5 | 9.5 | 2 | 8 | 43 | 1 11/16" | 1 / 1 | |
| 5 | 10 | 2 | 9 | 45 | 1 3/4" | 1 / 1 | |
 |
6 | 8 | 2 | 8 | 41 | 1 5/8" | 2 / 0 |
| 6 | 9 | 2 | 9 | 45 | 1 3/4" | 2 / 0 | |
| 6 | 11 | 2 | 9 | 51 | 2" | 2 / 0 |
