7665 pneumatic jack leg rock drill air leg rock drill

Model Number: 7665 Brand Name: atlas Key Specifications/Special Features: 7665rock drillPneumatic rock drill is a kind of highly efficient drilling machinery. It is widely used in rock drivage and various blasting hole drilling in the drilling operation, is mine, railway, traffic, water conservancy construction regarding the project of the important tools.Structure features: this machine adopts bowl with valve distribution form, reasonable structure, flexible. With light weight, high drilling speed, low gas consumption, small vibration, easy to operate, low failure rateand long life of parts, as well as good economic benefit.Technical parameters Type76557665 YT24 YT27 YT28 Weight 24kg 25.5 kg 24 kg 27 kg 28 kg Total length 628mm 550 mm 678 mm 668 mm 661 mm Using air pressure 0.63Mpa 0.63 Mpa 0.63 Mpa 0.63 Mpa 0.63 Mpa Cylinder bore 76mm 76 mm 70 mm 80 mm 80 mm Tracheal diameter 25mm 25 mm 25 mm 25 mm 25 mm Pipe diameter 13mm 13 mm 13 mm 13 mm 13 mm The hole diameter 34-42mm 34-42 mm 34-42 mm 34-42 mm 34-42 mm Drill hole depth 5m 5 m 5 m 5 m 5 m Shank specifications 22*108 22*108 22*108 22*108 22*108