Note: Flute length LC = L2 + 1. Straight major cutting edges with honed edges and special flute profile for short chips- even on long chipping materials. High roundness and alignment accuracy of the deep hole- thanks to 4 guide chamfers.8 mm Overall length L: 114 mm Shank dia Ds: 8 mm Feed f in stainless steel > 900N/mm2: 0.