Rockdrill, 7/8"x4-1/4, Ingersoll-Rand, Mfr#: JRD50-B

Rock Drill, Weight Class 50 lb, Shank Size 7/8 in x 4 1/4 in, Maximum Blows per Minute 2,300 bpm, Piston Bore Size 3 in, Piston Stroke Length 2 in, Retainer Type Latch, Vibration Reducing Handles No, Sound Reducing Muffler Yes, Air Inlet Gender Male, Air Inlet Size 3/4 in, Air Inlet Type NPT, Air Consumption 120 cfm, For Use On Rock, Hex Shank Size 7/8 in x 4 1/4 in, Hole Depth 16 ft, Hole Diameter 2 in, Maximum Hole Depth 16 ft, Maximum Hole Diameter 2 in, Minimum Hose Size 3/4 in