SUPER-HARD TITANIUM COATING LASTS UP TO SIX TIMES LONGER THAN HIGH-SPEED STEEL SELF-STARTING POINT STARTS ON CONTACT BALANCED DOUBLE FLUTE ELIMINATES CHATTER AND VIBRATION TITANIUM-COATING REDUCES HEAT FOR LONGER LIFE DRILLS CLEAN, ACCURATE HOLES IN THESE THIN MATERIALS (UP TO 1/8 IN.): SHEET METAL, DUCTS, STEEL, COPPER, BRASS, ALUMINUM, PLASTIC, PLEXIGLASS, WOOD, VENEERS, VINYL SIDING, PLASTERBOARD, PVC, STAINLESS STEEL AND CAST IRON