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YT27/28/29A is an air hammer drill designed for heavy duty users. It is ideal for concrete and hard rock drilling at construction sites.
| Model | YT27 | YT28 | YT29A |
|---|---|---|---|
| Weight | 27KG | 26KG | 27KG |
| Length | 668*248*202MM | 661MM | 659*248*205MM |
| Cylinder diameter | 80MM | 80MM | 82MM |
| Piston Stroke | 60MM | 60MM | 60MM |
| Working Pressure | 0.5-0.63Mpa | 0.4-0.63Mpa | 0.40-0.63Mpa |
| Impact Frequency | ≥36.7(0.63Mpa)HZ | ≥36(0.63Mpa)HZ | ≥39(0.63Mpa)HZ |
| Air Consumption | ≤83.3(0.63Mpa)L/S | ≤82(0.63Mpa)L/S | ≤88(0.63Mpa)L/S |
| Rock drill hole diameter | 34-45MM | 34-45MM | 34-45MM |
| Drilling Depth | 5M | 5M | 5M |
| Working temperature | -30~45℃ | -30~45℃ | -30~45℃ |
| Shank Size | H22*108MM | H22*108MM | H22*108MM |