Specifications 1.7655 HandHeld Pneumatic Mine Rock Drill 2.ISO9001 CE MA approved 3.Short Delivery Time 4.Factory Price & Small MOQ 7655 HandHeld Pneumatic Mine Rock Drill 1.Good quality with strict quality system control, ISO9001,MA,CE 2.Reasonable price with self manufacturing and self-management export 3.Work with FT160A/FT60B/FT160C air leg 4.Safe for coal/gold mining,tunnel and quarry use Features and use: 7655 HandHeld Pneumatic Mine Rock Drill is a high efficiency rock drilling machine. It's widely used in mining and roadway drivage of drilling operation. Also it's a important tool for railway, water conservancy, and construction. It can be used with FY200B oiler and type FT160A (FT160B,FT160C)air leg. It can used for drilling the medium hard rock for wet drilling, drilling horizontal and inclined hole. 7655 HandHeld Pneumatic Mine Rock Drill is suitable for hard rock, concrete (f=8~18) drilling, blasting, breaking works. 7655 HandHeld Pneumatic Mine Rock Drill is applyed in hard rock on the rock drill operation, it has strong adaptability to the working conditions. It's energy efficiency, its components has long life and durable. The machine can be generally used with the same type, it can greatly reduce the customer loss for spare part replacement. Specification: 7655 rock drill Weight 24 kg Physical size(length*wide*high) 628*232*207 mm Cylinder Diameter 76 mm Piston Stroke 55 mm Working Pressure 0.4~0.63 Mpa Working Hydraulic 0.3 Mpa Working temperature -30~50 °C Air pipe Diameter 25 mm Water pipe Diameter 13 mm Shank bit Size H22*108 mm Appropriate chisel hole diameter 34~42 mm Suitable for maximum hole depth 5 m Acceptance Pressure 0.63 0.5 0.4 Mpa Impact Energy ≥65 ≥59 ≥42 J Drilling Impact Frequency ≥37 ≥36 ≥34 Hz Drilling Air Consumption ≤80 ≤54 ≤50 L/s Torque ≥18 ≥15 ≥12 N.m Speed ≥300 ≥300 ≥280 R/min Noise ≤90 ≤95 ≤98 Db Drilling Speed ≥410 ≥350 ≥260 mm/min Cleanness ≤ 750 mg FY200B Oiler Weight 1.2 kg Oil Capacity 0.2 L Air Leg FT160A FT160B FT160C Length 1668 1428 1820 mm Propulsion Stroke 1338 1098 1490 mm Air Cylinder Diameter 65 65 65 mm Weight 17 15 18 kg