Cobalt

1/4 x 4" Cobalt Ground Tool Steel Bit TO06227

Ground HSS or cobalt Cobalt provides better wear & heat resistance than HSS High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials. Clarkson Osborn Catalog

1/4 x 2-1/2" Cobalt Ground Tool Steel Bit TO06225

Ground HSS or cobalt Cobalt provides better wear & heat resistance than HSS High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials. Clarkson Osborn Catalog

3/16 x 2-1/2" Cobalt Ground Tool Steel Bit TO06125

Ground HSS or cobalt Cobalt provides better wear & heat resistance than HSS High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials. Clarkson Osborn Catalog

1/8 x 2-1/2" Cobalt Ground Tool Steel Bit TO06025

Ground HSS or cobalt Cobalt provides better wear & heat resistance than HSS High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials. Clarkson Osborn Catalog