Lapping Services
Rely on our extensive technical and design engineering expertise to meet all your lapping requirements. Our highly skilled team is proficient in lapping a wide range of parts, from large hydraulic castings to small, intricate ceramic or carbon seals. Collectively, our team boasts an impressive 260 years of experience in the field of lapping.
Flat lapping, using both single-sided and double-sided machines, is a specialty. It achieves the highest levels of precision in tolerances, flatness, and surface finishes on your parts. Additionally, we have the capability to establish a flat surface on flexible or irregularly shaped parts before they undergo further machining processes.
Text
Capabilities
PLG uses silicon carbide, aluminum oxide and diamond abrasives for various applications which enables us to hold sizes and dimensions to very close tolerances: within .0002″ in production with flatness requirements of one helium light band (.000012″) on many parts.

5120
Satisfied clients Precise Lapping & Grinding
15
Awards Winner Precise Lapping & Grinding
225
Combined years of experience
Industries We Serve
As an industry leader in precision lapping and grinding services, Precise Lapping & Grinding Corp. (PLG) serves customers in a range of demanding industries. From aerospace and automotive to the medical and semi-conductor industries, we provide tight tolerance work with fast turnaround times and competitive prices.
With our 17,000 sq. ft. facility located near O'Hare airport, we are conveniently located to serve the auto, medical, aerospace, food processing, communications, defense, and stamping house industries.