KAT DRILLING
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Down the hole (DTH) hammers are advanced drilling tools essential for modern mining and drilling industries due to their economical performance and powerful capacity. Our DTH hammers and bits are engineered for perfect synchronization, delivering high penetration rates, extended service life, and minimized operational costs.
| Type | Model | Length (mm) | Weight (kg) | External Dia. (mm) | Hole Range (mm) |
|---|---|---|---|---|---|
| 3.5 inch | DHD3.5 | 930 | 25 | Φ82 | Φ90-110 |
| 4 inch | DHD340 | 1030 | 39 | Φ99 | Φ110-135 |
| 5 inch | DHD350 | 1214 | 76.5 | Φ125 | Φ135-155 |
| 6 inch | DHD360 | 1248 | 100 | Φ142 | Φ155-190 |
| 8 inch | D85 | 1492 | 188 | Φ180 | Φ195-254 |
| 10 inch | SD10 | 1502 | 290 | Φ226 | Φ254-311 |
| Item | Length (mm) | Outside Dia. (mm) | Weight (kg) | Bit Dia. (mm) | Pressure (Bar) | Bit Shank |
|---|---|---|---|---|---|---|
| CIR-50 | 628 | 44 | 5 | 50 | 4-10 | CIR50 |
| CIR-60 | 777 | 53 | 7.5 | 60 | 4-10 | CIR60 |
| CIR-65 | 745 | 61 | 13 | 65 | 4-10 | CIR65 |
| CIR-76 | 811 | 66 | 13.5 | 76 | 4-10 | CIR76 |
