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is there any chemical way to clean rusted bolts? I've read stuff about using rock tumblers, sand blasters, wire brushes, etc. and was wondering if there is just something I could just soak the bolts in for a while to de-rust them.

thanks,

matt k.
 

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And old trick.... let them soak in Coke... Really!
Not sure?? Even look at Aug 02 Motor Trend pg 112, here they recommend it to loosen rusty nuts/bolts!!!!!! Remember Coke is the real thing!!!!
JDiehl
70 76B Convert 351 C4v w/a shaker!!!!
 

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I posted the same question a while back. Consensus was to soak them overnight in "Simple Green".

I haven't tried it yet.
 
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Simple Green only takes the grease and oil off with little to no effect on the rust. You can try the Coke trick (never have myself...) but I try and just use a pair of pliers and a wire wheel on my bench grinder seems to do just fine. I do a few when I get to that particular sub-assembly as opposed to a large bucket of them for two reasons: 1) Keeps all the bolts together with the particluar item I am working, and 2) Breaks up the monotony of doing too many of them all at once.
 

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Most plating shops will do everything but cleaning the grease off them. They will strip the rust and cad plate bolts, nuts in lots. I took 2 lb coffee cans of them into my local plating shop and they were done for $25 per can full. Of this, you'll get about 80-90% usable body bolts, brackets, etc. Do not use this process for high tensile strength fasteners in grades 5 or 8. Its best to replace grade 5 and grade 8 fasteners if they are corroded.
 

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I usually just get them (seems there's always 5 or more) and drop them in a jar and pour a little phosphoric acid in with them and swirl them around and let them sort of clean each other by tumbling around together.

Not exactly scientific, but it's easy.
 

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I usually remove loose rust with the wire wheel, and then soak in POR-15's "metal ready" acid wash. Dickson
 

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There is a great product called CLR. It removes calcium, lime and rust. I use a 25% solution in an old coffee pot. let it get warm on the burner, the put your rusted parts in and let them sit for a few hours. Check often, and rinse thoroughly afterwards.
 
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