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Polishing & Passivating Services

Our team of experts has over 25 years of experience in polishing and passivating equipment, metal surfaces, and parts. We offer these services to all, Pharmaceutical, Food, Cosmetic, Nutraceutical, and Chemical industries. 

Our services include the following,





-Precision Honing

-Micro Polishing


We can bring your equipment and parts back to OEM standards and higher! Our mechanical polishing removes scratches or nicks, compromising the passive layer of stainless steel and bringing your equipment to the FDA standard. We can achieve a mirror finish on any part and surface. We can grind and polish small ID tubing for the following products,


-Insertion tubes

-Filling Needles

-Dosator Tubes and Funnels

-Stopper guide tubes

-Filling Nozzles


filling needle honing

Precision Honing

LID specializes in close tolerance honing the interior and exterior of parts, with tolerances down to .000030" (thirty-millionths of an inch) and surface finishes up to 2 RMS. We are capable of honing sizes ranging from .040 inches to 6 inches and lengths up to 36 inches. 


LID Specializes in surface polishing. Our team of experts can remove all surface scratches, nicks, and deep cuts in equipment. We can achieve a mirror finish on any part and surface. 



We comply with and exceed all standards of ASTM, SAE, ASME, and the FDA. We use a blend of chemicals formulated for cleaning all S/S applications. Our process provides efficient removal of contaminants and free iron from the surface of stainless steel and other metals, providing the highest chrome oxide levels possible.  You will receive a QQP-45 Cert for certified cleaning and passivation.

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