Aciera 6 and 10 Drills & Tappers Manuals ACIERA 6 and 10 Precision Drilling and Tapping Machines. Two Instructions & Maintenance Manuals: one in English marked as being for the No.6 and No.10 Models and another in English, French and German for the No. 6. Manufacturers: Aciera Models: 10 6 Contents: Operators Manual Maintenance Manual Parts Manual Electrical Diagrams