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Originally Posted by xXxRocker5150
^wow man, good write up  . |
thanks, man. i did my research before buying one. when i had to replace my rear suspension crossmember, i knew i would probably need an impact wrench b/c some of those bolts are torqued down very tightly. i found the Kobalt and DeWalt wrenches at the same time. it was only later that Rigid came out with one as well. since then, i've seen others, but they like to give you the torque output in IN-LBS rather than FT-LBS. so you just have to do a little conversion, to find the true magnitude of power.
i think its quite funny how advertisers appeal to the average shopper by simply putting big numbers on a product thinking that will sell it.
any moron would ask what those numbers mean, and what relevance they have.
the electric impact wrenches i've mentioned are corded. some manufacturers actually sell cordLESS electric impact wrenches; these are supposedly great for last-minute repairs at the track (or any place you don't have an electrical outlet). however, these cost a pretty penny, nothing under $250, most likely all over $300. and you would obviously need a second battery (quite expensive as well ~$50 at least for ~18v battery) b/c you can't recharge ur cordless impact wrench if there is no electrical outlet nearby.
The downside of batteries is that when they are recharged, they cannot recharge to full capacity. this recharging capacity continues to diminish every recharge cycle, until finally after 100 or so cycles, the battery will no longer hold a charge and becomes "bad" or useless. This is where the corded electric impact wrenches (AND air powered impact wrenches) have the advantage.