Product introduction Yt27 hand-held rock drill is a rock drilling equipment with high efficiency. It is widely used in rock drilling. It's very important to coal mine, tunnel, railway traffic, water conservancy and so on. Yt27 hand-held rock drill is suitable for hard rock, concrete (f=8~18) drilling, blasting, breaking works. Energy-saving and efficient, long service life of parts, parts highly interchangeable and reliable performance. Technical parameters Type Yt27 , ;weight 26, ;(kg) Length 668, ;(mm) Cylinder, ;dia |Õ80, ;(mm) Piston, ;stroke 60, ;(mm) , ;working, ;pressure 0.4~0.5, ;(mpa) , ;impact, ;energy ¡y70, ;(j) , ;impact, ;frequency, (hz) , ;air, ;consumption ¡Â¨Â¹85, ;(l/s) , ;working, ;water, ;pressure 0.2~0.3, ;(mpa) , ;air, ;pipe, ;inner, ;dia | 25, ;(mm) , ;water, ;pipe, ;inner, ;dia | 13, ;(mm) , ;rock, ;drill, ;hole, ;dia 213;34~|Õ42, ;(mm) , ;rock, ;drill, ;hole, ;depth 5, ;(m) shank, ;size 22 108, ;(mm) Carton box, plastic bags, wooden cases or as your requirement