KAT DRILLING
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Bench and production drilling tools include rods, shank adapters, couplings and bits. We provide 9 main threads: R3212, R32, HL38, T38, T45, T51, T60, ST58 and ST68. These are perfectly compatible with button bits, cross bits and reaming products.
| Button Bit (R38) | Carbide Dimension | Dimensions D | Flushing Hole | |||||
|---|---|---|---|---|---|---|---|---|
| Gauge [No.] | [mm] | Front [No.] | [mm] | [mm] | [in] | Front | Side | |
| Standard | 8 | 10 | 4 | 10 | 64 | 2 1/2" | 2 | 0 |
| Heavy Duty | 8 | 11 | 6 | 11 | 76 | 3" | 2 | 0 |
| Drop Center | 6 | 10 | 3/1 | 10/9 | 64 | 2 1/2" | 3 | 0 |
| Button Bit (T38) | Carbide Dimension | Dimensions D | Flushing Hole | |||||
|---|---|---|---|---|---|---|---|---|
| Gauge [No.] | [mm] | Front [No.] | [mm] | [mm] | [in] | Front | Side | |
| Type A | 6 | 10 | 3 | 10 | 57 | 2 1/4" | 3 | 1 |
| Type B | 6 | 11 | 3 | 11 | 64 | 2 1/2" | 3 | 1 |
| Type C | 6 | 12.7 | 3 | 12.7 | 76 | 3" | 3 | 1 |
