Aluminum turning parts-Anodizing treatment

The left picture shows anodized various colors of various aluminum turning parts. In addition to these three colors, various colors can be achieved.
The three small aluminum parts in the picture are the same products as the small aluminum parts in the figure above. We respectively put it in different colors for display.
Through the comparison in the above figure can be seen its size: ∮ 6 * 1 (outer diameter * thickness)
These recessed hole gaskets are mainly used with countersunk head screws. They can be used on countersunk holes without countersunk grooves, which is beautiful and practical.