It has a surface roughness of 3.2μm. All sharp edges are removed and parts are deburred. Tool marks are visible.
Black anodized Coating Over an Chromate conversion coating
Glass Bead Blasting + Brite Anodize + Black Anodize
Glass bead Blasting + Black Anodize
Black Anodize
Chromate Conversion Coating
Smooth Machining
Black Oxide
GLASS BEAD BLASTING