Profile: Clesco manufactures mechanical power transmission products, tool & abrasive accessories and custom machined parts & assemblies. We specialize in shaft collars, rigid couplings, flexible couplings, bearing units, ball bearings, bronze bearings and UHMW-PE plastic bearings. Our service includes custom packaging, private labeling, multi-lingual print and electronic data interchange. We offer tools such as drills, dowel accessories, arbors and depth stop collars. We also manufacture custom screw-machined or CNC parts.