The mini BK-LC black-oxide coating line treats aluminum with one heated tank and no electrolytic current.

There's no question that the TiN coating used for titanium drill bits is superior to the black oxide coating found on DeWalt's Black and Gold drill bits.

The black-oxide coating not only enhances the durability of the blade but also gives it a modern, tactical appearance. This combination of aesthetics and performance makes the Titan Knife a ...

Microlok AO coating aids in corrosion resistance without hazardous byproducts. The Microlok AO process forms a silver/black, 1.5-micron-thick, non-toxic, aluminum-oxide conversion coating that ...