FINISH |
COLOR |
CORROSION
RESISTANCE |
MATERIAL |
CHARACTERISTICS AND USES |
BLACK NICKEL |
Black |
Very Good |
All Metals |
Generally used as a matching finish. |
BLACK ZINC |
Black |
Very Good |
All Metals |
The same characteristics as BLACK NICKEL with a slight degree of rust resistance.
|
BRASS |
Brass |
Good |
Usually Steel
|
Applied to steel for purposes of matching brass. Dull or burnished.
|
BRONZES |
Ranging from Bright straw to dull bronze copper
|
Fair |
All Metals |
A decorative finish for matching hardware |
CADMIUM |
Silvery Gray
(Dull or Burnished)
|
Very Good |
All Metals |
Rich appearance, fine rust resisting qualities. Good electrical conductivity quality. Not suggested unless absolutely necessary due to toxic content and extremely high cost.
|
CHROMATE |
Yellow, Olive Drab, Black, Blue White
|
Good |
All Metals |
A dipping process added to zinc which greatly increases resistance to rust. Zinc must have a minimum of .00015 of thickness.
|
CHROMIUM |
Bright Blue White
|
Very Good |
All Metals |
A bright, lustrous finish used where the ultimate in beauty of appearance is desired. Substantially weather-proof.
|
COLORED DYES |
Most Any Color
|
Good |
All Metals |
A dipping process added to zinc for matching or color coding. |
COPPER |
Copper |
Fair |
All Metals |
Commonly used as an undercoating for nickel or for decorative purposes.
|
DICHROMATE
DIP |
Rainbow Cast
|
Good |
All Metals |
A dipping process added to zinc or cadmium plating which greatly increases resistance to rust.
|
IRIDITE |
Olive Drab,Green, Black, Red,Blue, Bronze
|
Good |
All Metals |
A dipping finish usually applied over zinc or cadmium for purposes of coloring and additional resistance.
|
NICKEL |
Silver |
Very Good |
All Metals |
Hard, stable finish. |
OXIDE
(BLACK) |
Lustre
Black
|
Good |
Ferrous Metals
Stainless Steels
|
A chemical immersion process that does not add to thickness. Lustrous black / good wearing qualities.
|
PAINTING |
Various
Colors
|
Very Good |
All Metals |
A lacquer enamel finish usually applied to a bonderized surface to match painted finishes. Applied to either the head only or all over depending on thread style.
|
PARKERIZING |
Dull Gray Or Black
|
Very Good |
Ferrous Metals |
A chemical process of rustproofing steel. Supplied plain as a base for paint or black oil stained for appearance.
|
PASSIVATING
(Immunizing)
|
|
Very Good |
Stainless Steels |
A nitric acid dip applied to Stainless Steels to remove foreign materials and brighten the finish. Also aids in corrosion resistance.
|
PHOS. & OIL |
Black |
Very Good |
Steel |
Used on appearance applications. Economical cost. |
TINNING-ELECTRO
|
Silver Gray |
Good |
Principally
Ferrous
Metals
|
A tin plating applied by electrolysis for use especially where parts come in contact with food. Also acts as lubricant for driveability.
|
ZINC (Electro-Galvanizing)
|
Gray |
Good |
All Metals |
Most widely used plating, most popular finish combining good rust-resisting qualities, appearance, and economy.
|