USER GUIDE ITS BORE MB Connection ITSBORE is a modular toolholder system for boring, Designation milling, drilling and tapping. This rigid, high-precision Maximum Tightening system is manufactured in one of the world’s most Size Allen Driving d1 øm1 Torque advanced production facilities. The system is designed Key (mm) Torque (Nm) ! with extreme flexibility and simplicity, making it (Nm) suitable for machine tools, machining centers and MB14 14 10 2.5 2-2.5 40 flexible manufacturing systems. It is recommended for machining strict tolerances with a high degree of MB16 16 10 2.5 2-2.5 40 surface finish. Its cylindrical-conical coupling and MB20 20 13 3 4-4.5 70 radial-expanding pin ensure maximum rigidity and MB25 25 16 3 6.5-7.5 120 concentricity in boring and milling. The system has MB32 32 20 4 7-8 200 an internal coolant supply in all components. MB40 40 25 5 16-18 400 d1 MB50 50 32 6 30-35 700 m1 MB63 63 42 8 70-80 1600 MB80 80 42 8 70-80 1600 MB110 110 76 14 200-220 6300 S 389