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Metal Finishing Blog

Technical guides, coating comparisons, military specifications,and engineering resources from JH Metal Finishing.

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METAL FINISHING

How Do Connecticut Aerospace Manufacturers Choose the Right Metal Finishing Partner?

Learn how Connecticut aerospace manufacturers can evaluate metal finishing partners based on Nadcap accreditation, process expertise, specifications, testing, documentation, and the right finishing process for each part.

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August 15, 2026

Dry film lubricant coating applied to precision metal components for aerospace and industrial applications.

Dry Film Lubricants

When Do You Need a Dry Film Lubricant Instead of Oil or Grease?

Learn when a dry film lubricant is the right choice over oil or grease, including MoS₂, PTFE, graphite, military specifications, phosphate base coats, and common aerospace, defense, automotive,

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August 5, 2026

Manganese phosphate coated steel gears, shafts, fasteners, and industrial components

Conversion Coatings

When Should You Specify Manganese Phosphate Instead of Black Oxide or Zinc Phosphate?

Not all metal finishes solve the same problem. Determine when manganese phosphate is the right choice over black oxide or zinc phosphate by comparing wear resistance, corrosion protection,

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July 20, 2026