[SEL] bolt/fastener finishes
John Culp
johnculp at btes.tv
Wed Jul 9 15:36:03 PDT 2008
Only way I know to find out is try it.
The blackened bolts on my engine cart eventually rusted a nice
red-brown.
John
On Jul 9, 2008, at 4:04 PM, bill at antique-engines.com wrote:
> Really??!!!? Wow.
> Now, could I replate my now black but rusty bolts with the tin/zinc
> plating from Eastwood www.eastwoodco.com) and then dip them into such a
> solution to turn them black?
>
> Bill
>
>> I quite accidentally found that if you dissolve steel wool in muriatic
>> acid till it quits bubbling and leaves an excess of steel wool, making
>> a pretty green solution of ferrous chloride, and touch this solution
>> to
>> bright zinc plated bolts, they will almost instantly turn a deep
>> black.
>> Rinse them quickly as the iron chloride is very corrosive if left.
John Culp
Bristol, Tennessee, USA
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