Metal Preparation and Finishing in Rockford, IL

Sub Source offers cleaning, surface preparation, and finishing for metal parts. Start with your material, drawing, and required finish to identify the right service for your project.

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fine grain zinc

Fine-Grain Zinc Phosphate

Fine-grain zinc phosphate is a pretreatment option before painting or coating. Send your material and required process specification for review.

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Heavy-Grain Zinc Phosphate

Heavy-grain zinc phosphate is one of our available phosphate treatments. Include the specified process and revision with your drawings.

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heavy-grain zinc
Manganese-Phosphate

Manganese Phosphate

Manganese phosphate is available for metal parts with specified finishing requirements. Send the process specification for review.

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Iron Phosphate

Iron phosphate is available as part of a liquid paint or powder coating process. It is not available as a standalone dip service.

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Iron Phosphate
black oxide

Black Oxide

A black surface finish for steel.

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Passivation

A treatment for stainless steel parts.

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passivation
chem film

Chem Film

A conversion coating for aluminum parts.

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Ultrasonic Cleaning

Cleaning for parts with detailed shapes and hard-to-reach areas.

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Ultrasonic Cleaning
vapor-degreasing

Vapor Degreasing

A cleaning option for removing oils and other contaminants.

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Pickle and Oil

A treatment option for steel parts with rust or scale.

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pickle and oil
grit blasting

Grit Blasting

Surface preparation before coating or further finishing.

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Send Your Project for Review

Include drawings, material, quantity, part dimensions, required process, and requested delivery date.

Need Painting or Coating Too?

Explore our liquid paint and metal coating services.

one-stop source

Let our dedicated team of experts coordinate all of your critical and secondary process needs. With our NADCAP accreditation and ISO certification, you can trust us to complete your project with the highest quality standards.

ISO-NADCAP