T Thread - Drill Bit
| Name | Type | Hardness | Description |
| T30 | Carbide Cross Cut Bit | For soft rock, hardness HV375 | 2" , 3" , 3.5" |
| T30 | Clay bit | For Clay, hardness HV270 | 3" , 3.5" |
| T40 | Carbide Cross Cut Bit | For soft rock, hardness HV375 | 3" , 3.5" , 4" |
| T40 | Clay bit | For clay, hardness HV270 | 5" , 6" |
| T52 | Available for customize order |
