• Superfinishing
    - Reduces Friction
    - Extends Gear Life
    - Reduces Wear

Sample Preparation Machines & Consumables Distributor


Welcome to PSI

Precision Surfaces International, Inc. (PSI) is a distributor of products for achieving precision surface finishes. Our principle markets are as follows:

Metallurgical Laboratories: A complete product line of Met Lab sample preparation equipment and consumables for the cutting, grinding and polishing of samples for microstructural and quality analysis.

Industrial Superfinishing: Products in belt, sheet, roll and disc form for use in production grinding and polishing of hard to finish materials. These products include Diamond Lapping Film, Flexible Diamond, Diamond Microfinishing Film, Diamond Suspensions and more.

MicroAbrasive Sheets: Microfinishing Film, Diamond Microfinishing Film, Lapping Film, Diamond Lapping Film and Polishing Paper are available from PSI in sheet form in small quantities.

PSI has operated under the same ownership and management since 1983. Located in Houston, Texas, we serve customers throughout the world.

Extensive Product Knowledge
  • We know our products and their application
Collaborative Sales & Support
  • We communicate and work with our customers
Person to Person Interaction
  • We respond to inquiries rapidly