Ingersoll Rand JH40C2 Jackhammer-Rockdrill:
Hex shank size: 7/8″ x 4-1/4″
Stroke: 2.63″
Bore: 2.5″
Length: 22.5″
Weight: 61 lbs.
Max hole diameter: 2″
Max hole depth: 18′
Blows per minute (B
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