KAT DRILLING
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Due to its high economy and powerful drilling capacity, the Down the Hole (DTH) hammer has become an essential advanced tool for the drilling and mining industries. These hammers and drill bits are engineered to work in perfect unison, providing high penetration rates, long service life, and minimized operational costs.
| Type | Model | Length (mm) | Weight (kg) | Ext. Dia (mm) | Hole Range (mm) |
|---|---|---|---|---|---|
| 3.5 inch | DHD3.5 | 930 | 25 | Φ82 | Φ90-110 |
| 4 inch | DHD340 | 1030 | 39 | Φ99 | Φ110-135 |
| SD4 | 1084 | 40.5 | Φ99 | ||
| QL4 | 1097 | 41 | Φ99 | ||
| Mission40 | 1005 | 40 | Φ99 | ||
| 5 inch | DHD350 | 1214 | 76.5 | Φ125 | Φ135-155 |
| SD5 | 1175 | 72.5 | Φ125 | ||
| QL5 | 1147 | 73 | Φ125 | ||
| Mission50 | 1110 | 68.5 | Φ125 | ||
| 6 inch | DHD360 | 1248 | 100 | Φ142 | Φ155-190 |
| SD6 | 1261 | 100 | Φ142 | ||
| QL6 | 1212 | 95 | Φ146 | ||
| Mission60 | 1161 | 90 | Φ146 |
| Item | Length (mm) | Outside Dia (mm) | Weight (KG) | Bit Dia (mm) | Pressure (Bar) | Air (m³/min) |
|---|---|---|---|---|---|---|
| CIR-50 | 628 | 44 | 5 | 50 | 4-10 | 3-5 |
| CIR-60 | 777 | 53 | 7.5 | 60 | 4-10 | 3-7 |
| CIR-65 | 745 | 61 | 13 | 65 | 4-10 | 6-12 |
| CIR-76 | 811 | 66 | 13.5 | 76 | 4-10 | 6-10 |
