1. Profile: Fully Ground; 2. Sharp tip with good centering; 3. Fast drilling & ... life. 4. Special VA Flutes. DIN338 VA Flute HSS Fully Ground Drill Bits , 118/135 split point;Special VA flute for ... , long life.Fine heat treatment for the whole body, fully ground process;Material: HSS 4241, 4341, 9341, 6542 available.Specifications: ... , thank you very much! DIN338 VA Flute HSS Fully Ground Drill Bits