Shandong Chinacoal Group co.,ltd
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YT28 Hand-held pneumatic leg rock drill
YT28 Hand-held pneumatic leg rock drill is a kind of rock drill of high efficiency which is widely used to drill blast holes in rock tunneling and drilling work.
It is suitable for drilling on medium hard and hard rock (f=8~18). The holes can be horizontal, sloping, and vertical upward. The drill rock diameter and depth are 32~45mm and 5m respectively.
| Item Name | YT28 |
| Weight | 24kg |
| Overall dimensions | 678mm |
| Stoke | 70mm |
| Cylinder Dia | 70 mm |
| Air pressure | 0.4-0.63mpa |
| Water pressure | 0.2-03mpa |
| Impact frequency | >31Hz |
| Air consumption | 66.7L/S |
| Drilling speed | 250mm |
| Max drilling depth | >6m |
| Air pipe inside dia | 19mm |
| Water pipe inside dia | 13mm |
| Drill bit size | 32-42mm |
| Drilll rod size | H22X108mm |
| FT140B air-leg | |
| Length of air leg | 1,687mm |
| Drilling length | 1,250mm |
| Inner diameter of air cylinder | 60mm |
| weitht | 15.6kg |
| FT140BD air-leg | |
| Length of air leg | 1,400mm |
| Drilling length | 1,000mm |
