Masters 7655 rock drill your satisfaction is our aim in downtown ugly no one asked the United States in the mountains chasing someone. YT23 rock drill master, though far away in Jining, you still can find! For more information, please call ①⑤ zero ⑨②⑥⑥ ②⑨①①. YT23 rock drill (7655 rock drill) is a high-efficiency air leg rock drill. Mainly used for mining Tunnel Boring drilling operations, but also railway, water conservancy construction and defense stonework projects important tool with FY200A type oiler or FT160B type gas leg support. Can make the hard rock hard and wet drilling, drilling horizontal and inclined blast holes; remove air leg can also be installed in the trolley. 7655 drilling machine technical parameters: weight 24 kilograms (KG) Length 628 mm (MM) piston diameter 76 mm (MM) 60 mm piston stroke (MM) Working pressure 0.5-0.63 MPa (Mpa) Air Consumption ≤54 (0.5Mpa) ≤ 80 (0.63Mpa) l / s (L / S) the impact of frequency 36 Hz (HZ) impact energy ≥65 joule (J) 300 rpm rev / min (R / min) shank size 22 * ??108 mm (MM) drilling hole diameter 32-42 mm (MM) maximum drilling depth 5 m (M) pipe diameter 25 mm (MM) 13 mm inner diameter pipes (MM) using pressure 0.2-0.3 MPa (Mpa) FY200A type oiler Weight 1.2 kg (KG) oil volume 200 ml (ML) FT160A type gas leg air leg length 1668 mm (MM) to promote travel 1338 mm (MM) cylinder bore 65 mm (MM) Weight 17 kg (KG) Jining Mining Machinery Co., masters pneumatic rock drill main models YSP45,7665, YT23, YT24, YT27, YT28, YT29A, QCZ-1, Y6, Y8, Y10, Y24, Y26, YO18, Y19A, YO20. Shandong Jining Mining Machinery Co., Ltd. Company Website masters:? Http: //www.sdjujiang.cn Ali shops: http: //sdjujiang.1688.com Ali Want: jujianggk1 business manager: Li Yan Mobile: 15092662911 landline: 0537-3860909 QQ : 2864425736