Chongqing Spring Tech And Trade Co., Ltd
Lucy Fang
| Technical parameters/moder numer | CST80xD | CST90 | CST0-1 | CST110 | CST150 | CST170 |
| Drilling diameter (mm) | ¢80-90 | ¢90-130 | ¢90-130 | ¢110-150 | ¢150-185 | ¢170-250 |
| Hammer length (mm) | 735 | 796 | 796 | 838 | 908 | 1023 |
| External diameter (mm) | ¢74 | ¢80.2 | ¢80 | ¢96 | ¢137 | ¢156 |
| Weight (kg) | 17 | 20 | 20 | 30 | 75 | 90 |
| Working pressure | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 |
| Air consumption(m3/min) | 5.5 | 6 | 5.5 | 11 | 17 | 19.5 |
| Torque (N•M) | 85 | 110 | 120 | 180 | 340 | 420 |
| Impact frequency | >=800 | >=820 | >=820 | >=830 | >=500 | >=790 |
| Connection thread | outer API2-3/8 | outer special M48x10x2 | outer special M48x10x2 | inside API3/8 | inside special 76x10x3 | outer special M100x 28x10 |
| Connection thread | ¢49-6 | ¢54-6 | ¢54-6 | ¢65-6 | ¢90-6 | ¢98-6 |
| Bit shank | SPM80xD-90 | SPM90-90/100/105/110/120 /130 | SPM90-90/100/105/110/120 /130 | SPM110-110/115/120/125/130/135/140 150 | SPM150-155/165/170/175/185 /200 |
SPM170-175/185/195/200/210/220/230 230/240/250 |