Galvanic Corrosion in 5/16" Galvanized Bolt Following Hurricane Irma

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Galvanic Corrosion in 5/16" Galvanized Bolt Following Hurricane Irma Empty Galvanic Corrosion in 5/16" Galvanized Bolt Following Hurricane Irma

Post  News Hawk on Thu Feb 08, 2018 4:25 am

Galvanic Corrosion in 5/16" Galvanized Bolt Following Hurricane Irma:

Galvanic Corrosion in 5/16" Galvanized Bolt Following Hurricane Irma P1010010

C:\Users\User\Pictures\2018-02-07\P1010013.JPG And even through the head of the bolt!


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Post  News Hawk on Thu Feb 08, 2018 4:33 am

As below:
Galvanic Corrosion in 5/16" Galvanized Bolt Following Hurricane Irma P1010013

Notice the difference in the "grain" of the metal in the (probably-forged) shaft and in the (formed by stamping) head.

Shocked

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Post  News Hawk on Thu Feb 08, 2018 4:58 am

And still one more:

Galvanic Corrosion in 5/16" Galvanized Bolt Following Hurricane Irma P1010014

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