The state-of-the-art mechanical polishing facility of Allegheny Surface Technology provides the most stringent sanitary conditions, enabling them to consistently achieve single-digit microinch Ra readings, with full documentation and certification from their computerized profilometer. Techniques and equipment available include: Abrasive Belt Polishing Customized lathes for OD and ID polishing Abrasive wheel positioning including nylon, flap and combination wheels Pneumatic guns Automated and hand polishing machinery.