Cobalt steel bit | |||
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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: FeMoCo | |||
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