INDEXABLE DRILLS USER GUIDE Applications for DCNS Drills For better stability in rough applications and interrupted cuts SUMOUNICHAM SUMOCHAM Moderate Helix High Helix SUMOUNICHAM SUMOCHAM Replaces solid When using Shorter projection carbide drills SUMOUNICHAM, compared to without changing the drill’s SUMOCHAM, any holding projection can when required components be adjusted Can be used on multi-spindle applications for close spacing between adjacent drills 78 ISCAR