KAT DRILLING
1 / 5
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 diameters ranging from 38-127mm, these tools are compatible with button bits, cross bits, and reaming products.
| Button bit R28/SR28 | Carbide Dimension | Dimensions D | Flushing hole | |||||
|---|---|---|---|---|---|---|---|---|
| Gauge | Front | |||||||
| [No.] | [mm] | [No.] | [mm] | [mm] | [in] | Front | Side | |
 |
5 | 8 | 2 | 7 | 36 | 1 13/32" | 1 | 3 |
| 5 | 8 | 2 | 8 | 38 | 1 1/2" | 1 | 3 | |
| 5 | 9 | 2 | 7 | 38 | 1 1/2" | 1 | 1 | |
| 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 | |
| 5 | 11 | 2 | 9 | 48 | 1 7/8" | 1 | 1 | |
Production includes tapered chisel bits, tapered cross bits, tapered button bits, H22/H25 drill rods, Pilot rods, Dome bits, and Pilot adapters. Custom button bits are available upon request.
Available series: R25, R28, R32, SR32, SR28, SR25 and retract bits. Diameters range from 33mm to 76mm across various thread series (R25 to R38).
R32, T38, HEX25, HEX28, and HEX32 configurations. Rod lengths range from 700mm to 6400mm. Custom production is supported to meet specific drilling demands.
Comprehensive supply of R3212, R32, T38, T45, T51, T60, ST58 and ST68 series including button bits, retrac bits, shank adapters, and drill tubes.
DTH Tools: DHD, QL, BR, CIR, and Mission series. Shank Adapters: R32 through ST68 series, compatible with international standard equipment.
