My
periodic table poster
is now available!
Cobalt steel bit.
A cobalt-steel roughing end mill. The serrated flutes remove material rapidly, but leave a rough surface.
Source:
eBay seller singlepoint
Contributor:
Theodore Gray
Acquired:
11 March, 2009
Text Updated:
12 March, 2009
Price:
$13
Size:
4"
Composition:
Fe
Mo
Co