Mount modular indexable heads and solid carbide screw-in milling cutters with extreme stability using Toolholders for Screw-In Milling Cutters MAS-BT. Engineered for CNC machining centers and milling machines equipped with MAS 403 / JIS B 6339 (BT) steep taper spindles, these toolholders feature a precision internal thread and ground axial locating face. Designed for deep cavity milling, mold making, and multi-axis contours, they ensure high rigidity, minimum deflection, and perfect concentricity across modular threaded cutter heads.
