Indexable Drilling DRILL FIX DFR INSERTS Materials P M K N S Explore Drill Fix DFR Industries General Automotive Wind & Solar Engineering Aerospace & Oil & Gas Earthworks Defense Applications The Drill Fix DFR platform offers maximum feed rates. Using rectangular-shaped inboard and outboard inserts enables soft starting cuts, short chips and higher feed rates compared to small-size symmetrical-trigon or square inserts. D77 kennametal.com