Hongwuhuan HY20 Pneumatic Rock Drill

Hongwuhuan hy20 pneumatic rock drills are light, working with hand-held operation. A variety of small diameter and shallow holes can be made. Jack hammer generally only punch downward or nearly horizontal holes.hongwuhuan rock drill are suitable for mining and construction operations. Jack hammer series technical parameters                                                                                                                            model           parameters unit hy18 hy20 hy24 hy26 yt28a-d whole weight kg 18 18 24 25 27 whole length mm 556 556 678 670 656 cylinder dia. Mm 58 64 70 76 80 piston stroke mm 50 52 70 62 60 working pressure mpa 0.4~0.5 0.4~0.5 0.5 0.5 0.5 air consumption m3/min 1.4 1.7 2.8 3.2 65 tube diameter mm 19 19 19 25 25 spec.pick poker bar mm b22×108 b22×108 b22×108 b22×108 b22×108 matching air leg   handheld/ft100 handheld/ft100 ft140 ft100 ft160 certificates