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What metal could this be?

Part of old 'Winchester' hard disk drive

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Michael Cox 103/08/2014 17:46:00
555 forum posts
27 photos

Diamond is a very good conductor of heat so that abraded metal particles coming off of a diamond disc are rarely hot enough to burn and create a spark.

Mike

Boiler Bri03/08/2014 20:04:29
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856 forum posts
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Not sure why I have three posts the same?

 

Sorry I just assumed you had a green wheel. 

 

The bar looks like Hepco linear track which is pretty hard.

 

bri

 

 

Edited By Boiler Bri on 03/08/2014 20:05:40

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