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- ItemAir Rock Drill
- Shank Size7/8 x 4-1/4"
- Piston Stroke1-7/16"
- Piston Bore2-3/8"
- CFM @ Full Load73.0
- Required Pressure90 psi
- Air Inlet3/4" NPT
- Min. Hose Size3/4"
- Overall Length19-1/2"
- Handle TypeT-Grip
- Retainer TypeLatch
- Hole Depth10"
- Hole Dia.1-1/2"
- FeaturesEasily-adjustable 3-speed Throttles with Reversible Pawls
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(Mainly concerned about the bit or whatever attachment is on the end, not the driver/piston)
The return on this is spring loaded, this is so the unit can reciprocate or move up and down. There is a latching device that holds the bit in the end, it is an over center device that keeps the bit latched in the end. I hope this answers your question, thanks for using Grainger Ask & Answer!
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