Gem Bids For Solid Carbide Drill To Ofaj Drg. No. Fst-6419Cmachining Feed Rate: 0.08 - 0.1 Mm/Min, Rpm: 2000 - 2, Solid Carbide Twist Drillr. H Parallel Shank Size-1.55 Mm Dia X 18 Mm Flute Length X 40 Mm Overall, Flat Bit To Drg. No. Fs/T-1689 D.