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Jet 550021 Bushing Air Rock Drill Features:
- Latch type tooling retainer
- T-style handle, with rubber grips
- Forged steel parts
- Heavy-duty ratchet and pawl
- Four-position throttle
- Recommended air pressure 90 PSI
Jet 550021 7/8 Inch x 3-1/4 Inch Bushing Air Rock Drill Specifications:
- Hex Shank Size:7/8 x 3 1/4 "
- Piston Diameter: 1 ¾ "
- Piston Stroke: 1¼ "
- Chuck Rotation: LEFT
- Free Speed: 250 RMP
- Blows Per Minute: 2,450
- Force Per Blow at 90 PSI: 34 pound-force per foot
- Air Pressure: 90Psi
- Air Consumption: 56 cfm
- Air Inlet (NPT): 3/4
- Air Hose Inner Diameter: 3/4"
- Vibration Value: 17 3/10 m/s2
- Overall Length: 3/4"
- Overall Length (2):18½ "
- Height: 5.5 inch
- Width: 10 inch
- Lenght: 20.1 inch
