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Any reccomendations for an air hammer? I am not sure what the most important thing to look for.. Piston stroke? blows per minute? I am sure it is like anything, there are benefits and drawbacks to each. Seems like the longer stroke ones have a lower BPM. I was browsing the chicago pneumatic site and it seems as they have it listed, the heavier duty they are the BPM goes down.

I was thinking about this one. Seems dollar for dollar a good deal. There are definatly better ones, like almost anything.



Model Number CP715
Part no T023311
Description CP715
Shank Opening .401
Bore Diameter in 3/4
Piston Stroke in 3.50
Weight lb 4.5
Avg. Air Consumption cfm 3.5
Actual Air Consumption @ load cfm 14
Air Inlet Thread Size NPTF in. 1/4
Min. Hose Size in. 3/8
Sound Pressure dB(A) 109
Vibration m/s² 13.7
Blows per min @90 PSI 2,100
 

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DO NOT buy that CP air hammer. i went through 3 or 4 of them in a couple weeks, they're junk. i use an air hammer almost every day at work, so i've seen what's good and what sucks. the best hammer i've ever used is a $39 craftsman, no joke. it takes a beating... i sometimes hold the trigger in for 15 minutes at a time when removing rust. i've had it for 9 months and never had any problems with it. paid $6 for a 2 year replacement guarantee, if it lasts that long it will have paid for itself. just make sure you pick up some extra springs, they break easily if you lose contact with the chisel and whatever you're hammering on.
 
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