The OFMT 05T3 TN-ML is an octagonal, screw-clamped milling insert from TaeguTec's OFMT 05 line. Its defining feature is the number of usable corners: eight cutting edges on a single insert, which is unusually high for a milling insert of this size and is the main economic argument for the line. The insert measures 12.7 mm inscribed circle, 3.8 mm thick, with a 0.6 mm corner radius . Maximum depth of cut is 3.5 mm, with a recommended working range of 1.0 mm to 3.0 mm, and a