This is the standard choice, economical and rapid, the parts’ surface will leave visible machining marks. The surface finish is equivalent to 3.2RA μm (125 RA μin).

Bead blasting is the process of spraying abrasive on the surface of parts under high pressure. After sandblasting, the metal parts have a satin texture or frosted surface, eliminating the processing marks.

Anodizing is an electrochemical process that converts the metal surface into a decorative, durable, corrosion-resistant, anodic oxide finish. To improve the wear resistance and retain the metal texture and luster.

The black oxide is a chemical conversion coating, it is produced by a chemical reaction between iron and oxide salt in black oxide solution. The corrosion resistance of parts can be improved after black oxidation. Usually for iron, stainless steel parts.

High glossy black / matte black.

Spray painting is a painting technique in which a device sprays coating material (paint, ink, varnish, etc.) through the air onto a surface.