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| MOUDLE NO. | casing dia(mm) | bit dia (mm) | length (mm) | N.W (kg) | work air pressure(mpa) | bit | |
| low air-pressure hammer | KQ50 | 44 | 55 | 630 | 5 | 0.9-1.2 | |
| KQ60 | 53 | 65 | 661.5 | 7.5 | 0.5-0.7 | ||
| KQ65 | 57 | 68 | 777 | 13 | 0.5-0.7 | ||
| KQ76 | 65 | 76 | 811 | 13.5 | 0.5-0.7 | 76mm bit | |
| KQ90A | 80 | 90 | 855 | 22 | 0.5-0.7 | 90mm bit | |
| 100mm bit | |||||||
| KQ110A | 98 | 110 | 871 | 33 | 0.5-0.7 | 110mm bit | |
| 120mm bit | |||||||
| 130mm bit | |||||||
| 140mm bit | |||||||
| KQ130A | 112 | 130 | 914 | 48.5 | 0.7-1.0 | 140mm bit | |
| KQ150 | 136.5 | 150 | 904 | 70 | 0.5-0.7 | 150mm bit | |
| mid-air-pressure hammer | KQ930 | 80 | 90-100 | 870 | 24 | 0.9-1.2 | 90mm bit |
| KQ940 | 98 | 110-120 | 918 | 34 | 0.8-1.2 | 110mm bit | |
| high-air-pressure hammer | KQ115 | 98 | 105-120 | 1030 | 38 | 1.0-2.0 | 115mm bit |
| KQ140 | 125 | 140-155 | 1220 | 80 | 1.0-2.0 | 140mm bit | |
Long Service Life High Air-pressure Hammer down hole drill hammer