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Mill Products

Every day at W.R. Cobb, we leverage our depth of experience and the talent of our team of metallurgists and designers to ensure that we offer the industry the finest line and the industry's most important innovations.

FLAT STOCK
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WIRE
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WIRE COIL
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CASTING GRAIN
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TUBING
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SOLDER
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Master Alloys

All W.R. cobb master alloys are manufactured in the United States from the highest quality elements under strict quality control procedures.

YELLOW GOLD
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WHITE GOLD Ni based
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WHITE GOLD Pd/Ag based
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PRECISE® WHITE GOLD
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PRECISE® WHITE SILVER
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PINK GOLD
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GREEN GOLD
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STERLING SILVER
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Featured Mill Product

ALLURAGOLDTM

We have extended our vast offering of alloys to include Low Gold and Palladium Alloys. These alloys meet today’s unique requirements when faced
with the need for more competitively price metal option to offset the higher gold markets.

Expand your jewelry line by offering ALLURAGOLD:

  • Obtain the look of traditional gold with the same perceived value
  • Options for both white and yellow gold
  • Increased Hardness and Durability
  • Options for both white and yellow gold
  • Gain additional tarnish resistance properties
  • Aligns with the 2018 FTC change for identification of products by the percentage of gold content.
Contact Us to Learn More About ALLURAGOLD

SteriliteTM

Also available, a variety of Sterilite options for our patented de-ox sterling silver grains. These options suit any applications for both torch and
machine casting operations. SteriliteTM

  • Superior Casting performance
  • Excellent tarnish resistance properties
  • Available in a variety of forms which includes
    • Grain
    • Sheet
    • Wire
Contact Us to Learn More About Sterilite

950 Elite Silver

Our patented 95% silver alloy includes palladium and produces a white color, similar in appearance to rhodium, with an increased hardness
as compare to traditional sterling silver which adds to its durability. In addition to its durability, 950 Elite Silver is also extremely tarnish resistant.

950 Elite Silver is the solution for sterling jewelry without the need for rhodium plating.

Contact Us to Learn More About 950 Elite Silver

Sterling Silver with Platinum

A premium Silver, with a rich platinum color and a superior finish. Marked properly to a customer, these grains are perceived as platinum
and white gold products at less than half the cost.

Benefits:

  • Superior casting performance at a temperature only slightly higher than traditional sterling. Scrap is 100% recyclable
  • Increased hardness for more product durability
  • Greater weight density which creates a heavier feel for the customer
  • Rich platinum color with superior surface finish
  • Outstanding tarnish resistance which eliminates the need for plating or E-coating
  • Available in grain, wire and sheet
Contact Us to Learn More About Sterling Silver with Platinum

Brass & Bronze Alloys

If you are looking for an alternative to karat precious metal jewelry manufacturing, our Brass and Bronze alloys will fulfill that need.

We offer a white bronze in a nickel or nickel free blend that achieves an appealing white color reminisce of white gold. With the improved casting properties
and increased tarnish resistance, these alloys are the perfect precious metal alternative.

In addition to the white bronze we also offer red and yellow metal colors all with the same improved casting properties as the white.

Contact Us to Learn More About Brass & Bronze Alloys

Colored Silvers

We offer a line of low silver content alloys, that have the look of karat gold. These are lower cost alternatives to karat gold products.

Benefits:

  • High quality finish
  • Colors similar to yellow, white and pink karat gold
  • Increased hardness and durability
  • Tarnish resistance equal to or better than standard silver products
  • Aligns with the 2018 FTC change which allows the classification of silver baring alloys by their silver content.
Contact Us to Learn More About Our Colored Silvers

Allura Tumbling Compound Powder

A perfectly ph balanced tumbling powder developed for the jewelry industry. The Allura tumbling compound powder is safe to use and can be easily disposed of.
Use it with steel shot for a rust and corrosion free result.

Contact Us to Learn More About Allura Tumbling Compound