HUELLER TAPPING MACHINES Ultromat UG1, UG2, UG3, UG4 and UG5 (Hahn and Klob) manual HUELLER Ultromat TAPPING MACHINES UG1, UG2, UG3, UG4 and UG5 (also badged as "BSA" and "Hahn and Klob"): Operator's Instruction and Maintenance Manual with Electrical Schematics. Manufacturers: Hahn and Klob BSA Hueller Models: UG1 UG2 UG3 UG4 UG5 Contents: Operators Manual Maintenance Manual Electrical Diagrams