KAT DRILLING
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Our drifting and tunnelling tools are engineered for high performance and durability, including a comprehensive range of rods, shank adapters, couplings, and bits. These tools are primarily designed with 7 standard threads: R22, R25, R28, SR28, R32, SR35, and R35.
With diameters ranging from 38-127mm, these products are fully compatible with button bits, cross bits, and various reaming equipment. Our monthly productivity reaches 10,000 pieces to ensure stable supply for large-scale operations.
| Carbide Dimension | Dimensions D | Flushing Hole | |||||
|---|---|---|---|---|---|---|---|
| Gauge | Front | [mm] | [in] | Front | Side | ||
| 6 | 10 | 3 | 10 | 57 | 2 1/4" | 3 | 1 |
| 6 | 11 | 3 | 11 | 64 | 2 1/2" | 3 | 1 |
| 6 | 11 | 3 | 9.5 | 57 | 2 1/4" | 1 | 2 |
| 6 | 12.7 | 3 | 11 | 64 | 2 1/2" | 1 | 2 |
| 6 | 12.7 | 3 | 12.7 | 76 | 3" | 3 | 1 |
| 6 | 14 | 4 | 14 | 89 | 3 1/2" | 3 | 0 |
| 6 | 12.7 | 5 | 11 | 70 | 2 3/4" | 1 | 2 |
| 8 | 11 | 6 | 11 | 76 | 3" | 2 | 0 |
| 8 | 12.7 | 6 | 12.7 | 89 | 3 1/2" | 2 | 0 |
