KAT DRILLING
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The DTH hammers are designed with advanced drilling theory which are able to deliver energy better and drill more quickly with lower air consumption. With finest steel and advanced manufacturing techniques, the hammer maintains stable performance and long service life, also easy to assemble and repair.
Widely used for mine, quarry, road construction for drilling and blasting work, water well drilling, slope protection, anchoring, etc.
| 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 |
| 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 |
| Hammer Length (without bit) | 1004 (mm) |
| Top Sub Thread | API 2 3/8" REG PIN |
| Outside Diameter | 99 (mm) |
| Weight | 40.5 (KG) |
| Bit Diameter | 110-135 (mm) |
| Working Pressure | 1.0-2.2 Mpa |
| Air Consumption | 5-9 (M³/min) |
| Bit Shank | Mission40 |
