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HY20 Pneumatic rock drill is rock drilling equipment with high efficiency. It is applied in coal mining and stone processing and collecting. Also used as a holding type, it is reliable, user-friendly, easily-fixed, light, and less air-consuming. It is perfect in moving operation of small-scaled air compressorsHY20 air-leg rock drill has wide applications. It is applied to rocks with middle and high hardness (f=8-18)both in dry and wet drilling. The diameter of the blasting holes is usually 34-42 mm, and the depth of the effective and economical holes can be 3m. This equipment can be used with FT100air-leg and FY200B oiler together.
| weight | 20 | kg |
| length | 628 | mm |
| working pressure | 0.63 | Mpa |
| piston stroke | 60 | mm |
| piston dia | 76 | mm |
| impact frequency | ≥36 | Hz |
| impact energy | ≥65 | J |
| air consumption | ≤80 | L/s |
| rotation speed | ≥300 | r/min |
| noise | ≤112 | db(A) |
| water pressure | 0.2~0.3 | Mpa |
| air hose inner dia | 25 | mm |
| water hose inner dia | 13 | mm |
| drilling dia | 34-42 | mm |
| drilling deepth | 5 | m |
| shank dimension | B22×108±1 | mm |
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