Materials and Finishes
Our wide range of production materials includes everything from brass and other metals to gemstones, natural quartz, crystal, glass and concrete – and that’s just a start. For companies looking to bring their product ideas to life, or looking for bespoke component manufacturing, we offer a true partnership in building customized products based on your unique requirements. Browse our production and manufacturing materials below to get an idea of our custom product design & development capabilities.
Metals
Aluminum
RCH produces its decorative hardware products in a wide range of metals, including Aluminum metals. We specialize in producing metal products & bespoke hardware products, with our custom manufacturing service.

Brass
RCH produces its decorative hardware products in a wide range of metals, including Brass metals. We specialize in producing metal products & bespoke hardware products, with our custom manufacturing service.

Copper
RCH produces its decorative hardware products in a wide range of metals, including Copper metals. We specialize in producing metal products & bespoke hardware products, with our custom manufacturing service.

Iron
RCH produces its decorative hardware products in a wide range of metals, including Iron metals. We specialize in producing metal products & bespoke hardware products, with our custom manufacturing service.

Stainless Steel
RCH produces its decorative hardware products in a wide range of metals, including Stainless Steel metals. We specialize in producing metal products & bespoke hardware products, with our custom manufacturing service.

Steel
RCH produces its decorative hardware products in a wide range of metals, including Steel metals. We specialize in producing metal products & bespoke hardware products, with our custom manufacturing service.

Finishes
Aluminum
The aluminum finish is a satin anodized aluminum which gives a smoother appearance to the classic aluminum color.

Antique Brass
Darker than natural brass, this finish gives brass a naturally aged look. May also be referred to as Dull Brass or Old English.

Antique Copper
Darker than copper, this finish gives copper a naturally aged look.

Acid Dipped
Acid Dipped is commonly referred to as raw brass finish, as raw brass is dipped in an acid coating to give it a protective coat and a more consistent appearance.

Antique Nickel
Darker than nickel, this finish gives nickel a naturally aged look.

Brushed Brass
A matte brass finish that is non-reflective and gives a modern flair to traditional style cabinetry.

Brushed Gold
A matte gold finish that is non-reflective and gives that antique touch to traditional style cabinetry. This finish appears darker than the brushed brass finish.

Black
A hard flat black finish achieved by spraying metal with paint in a finely ground powder form and then cured by heat.

Brushed Nickel
A timeless non-reflective finish produced by brushing nickel plated hardware. The brushing produces a matte effect and emulates a modern finish.

Bronze
A dark brown finish. Achieved through a bronzing process on brass.

Charcoal
A matte dark gray finish that compliments many designs. Achieved through a bronzing process on iron metal.

Copper
Un-varnished brass plating is chemically treated to achieve a copper finish.

Grey
A darker finish than nickel, but with a more even distribution of color than antique nickel.

Matte Silver
A non-reflective silver finish achieved through chemical treatment of brass metal.

Oil Bronze Black
A matte Black finish that compliments many designs. Achieved through a bronzing process on brass metal.

Polished Brass
A bright and shiny gold surface finish which naturally patinas over time if not lacquered.

Polished Chrome
A smooth mirror-like metallic finish, brighter than polished nickel.

Polished Nickel
Nickel plating on brass that has a shiny metallic finish, but with a slightly warmer tone than polished chrome.

Polished Silver
Silver plating on brass that has a shiny metallic finish, but with a slightly warmer tone than polished chrome.

Rust
A light brown finish usually applied to iron products to give an oxidized appearance. This is generally considered a living finish as it may continue to naturally tarnish over time if un-lacquered and exposed to the elements.

Satin Chrome
A smooth, non-reflective matte silver tone, which appears brighter than the satin nickel finish.

Satin Nickel
A smooth, non-reflective matte silver tone, which compliments an array of styles.

Stainless Steel
Traditional stainless steel that appears darker than our regular steel finishes.

Brushed Stainless Steel
Traditional stainless steel but with brushing to make the metal appear brighter and less reflective.

White
A hard flat white finish achieved by spraying metal with paint in a finely ground powder form and then cured by heat.

Zinc
As reflective and polished as polished chrome but with a subtle blue reflect.

Gemstones
Amethyst
Amethyst is a form of Quartz that ranges from a bright to dark purple color. Knobs made from Amethyst have a medium to high color variation.

Camel Agate
Camel Agate has circular banks of dark mustard color which resembles fossil wood. Knobs made from Camel Agate have a low color variation.

Fluorite
Fluorite is a mineral that ranges in color from almost clear light green, to dark purple with hints of grey and more. Knobs made from Fluorite have a high color variation.

Green Moss Agate
Green Moss Agate is a gemstone which exhibits various shades of green and grey. Knobs made from this material have a high color variation.

Lapis Lazuli
Lapis Lazuli is a deep blue gemstone with specs of golden inclusions and grayish marble veins. Due to the inconsistencies of the grey veins, knobs made from Lapis are considered to have a medium to high color variation.

Obsidian
Obsidian is actually volcanic glass and has a glassy luster. Generally all Obsidian Knobs have a low to virtually no color variation.

Red Jasper
Red Jasper is a quartz stone ranging in colors, usually from red to orange and brown. Knobs made from Jasper have a medium color variation.

Rock Crystal
Rock Crystal is a type of quartz which is clear and mostly colorless. Although it is mostly colorless, knobs made from this stone can range from being completely clear to milky and opaque, as such knobs made from Rock Crystal are considered to be have a medium to high color variation.

Rose Quartz
Rose Quartz is a type of quartz stone which exhibits a mostly pink color with a creamy texture. Knobs made from Rose Quartz have a low color variation.

White Agate
White Agate is opaque and mostly white in color, however it can consist of some black and brown inclusions. Knobs made of White Agate have a low color variation.

Crystals
Black Crystal
Our Black Crystal Knobs are solid black and have no color variation. Due to the manufacturing process, some of our crystal knobs which are molded may exhibit small air pockets.

Clear Crystal
The Elegance collection of Clear Crystal knobs have a brilliant shine and are colorless. Due to the manufacturing process, some of our crystal knobs which are molded may exhibit small air pockets.
