Click image to view full size image
The YT28 rock drill machine is a kind of high efficiency air leg rock drill machinery.
It is mainly used for blasting holes and other drilling works in a quarries, railway
Construction, water conservancy construction and defence project facility.
It is suitable for drilling and blasting under various of rocks at any direction angles.
Blast hole dia is 34-42mm, drill hole depth is 5 m.
This machine may match with Model FT160BD short air leg or Model FT160BC long air leg.
This machine has transparent surface of FY200B oil reservoir to regulate oil.
· Fit for wet drilling in medium-hard or hard rock.
· Grouped control mechanism, quick to start up, with "air on, water on, air off, water off" mechanism, convenient to handle
. Easy to maintain and repair
· Energy-saving and efficient, long service life of parts, parts highly interchangeable and reliable performance.
It is mainly used for blasting holes and other drilling works in a quarries, railway
Construction, water conservancy construction and defence project facility.
It is suitable for drilling and blasting under various of rocks at any direction angles.
Blast hole dia is 34-42mm, drill hole depth is 5 m.
This machine may match with Model FT160BD short air leg or Model FT160BC long air leg.
This machine has transparent surface of FY200B oil reservoir to regulate oil.
· Fit for wet drilling in medium-hard or hard rock.
· Grouped control mechanism, quick to start up, with "air on, water on, air off, water off" mechanism, convenient to handle
. Easy to maintain and repair
· Energy-saving and efficient, long service life of parts, parts highly interchangeable and reliable performance.
| Model | YT24 | YT28 | YT29A | |
| Weight | kg | 24 | 26 | 27 |
| Air consumption at 0.63MPa |
L/s | 67 | 81 | 88 |
| Length | mm | 678 | 661 | 659 |
| Shank | mm | 22(25)*108 | 22(25)*108 | 22(25)*108 |
| Bore Dia | mm | 30-42 | 30-42 | 32-45 |
| Impact rate | Hz | 31 | 37 | 37 |
| Air Hose connection |
mm | 19 | 25 | 25 |
| Water Hose connection |
mm | 13 | 13 | 13 |
| Air leg type | FT140B,D | FT140B,D | FT160B |