Part of old 'Winchester' hard disk drive
Michael Cox 1 | 03/08/2014 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 Bri | 03/08/2014 20:04:29 |
![]() 856 forum posts 212 photos | 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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