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Our drifting and tunnelling tools are engineered for high performance, including rods, shank adapters, couplings, and bits. We provide support for 7 primary thread types: R22, R25, R28, SR28, R32, SR35, and R35. With diameters ranging from 38mm to 127mm, these tools are ideal for use with button bits, cross bits, and reaming products.
| Button Bit Type (R32/SR32) | Carbide Dimension | Dimensions D | Flushing Hole | |||||
|---|---|---|---|---|---|---|---|---|
| Gauge [No.] | Gauge [mm] | Front [No.] | Front [mm] | [mm] | [in] | Front | Side | |
| Option 1 | 5 | 9 | 2 | 9 | 41 | 1 5/8" | 1 | 1 |
| Option 2 | 5 | 9.5 | 2 | 8 | 43 | 1 11/16" | 1 | 1 |
| Option 3 | 5 | 9.5 | 2 | 9 | 43 | 1 11/16" | 1 | 1 |
| Option 4 | 5 | 10 | 2 | 9 | 45 | 1 3/4" | 1 | 1 |
| Option 5 | 5 | 11 | 2 | 9 | 48 | 1 7/8" | 1 | 2 |
| Option 6 | 5 | 11 | 2 | 10 | 51 | 2" | 1 | 1 |
| Option 7 | 6 | 8 | 2 | 8 | 41 | 1 5/8" | 2 | 0 |
| Option 8 | 6 | 9 | 3 | 7 | 43 | 1 11/16" | 3 | 1 |
| Option 9 | 6 | 10 | 3 | 10 | 57 | 2 1/4" | 3 | 1 |