MANUFACTURED FROM A PREMIUM GRADE OF M-7 MOLYBDENUM HIGH SPEED STEEL.  THE SILVER AND DEMING 118° SPLIT POINT DRILL WITH A NITRIDE SURFACE TREATMENT THAT GIVES A HARD PROTECTIVE LAYER, NOT INCREASING BRITTLENESS.  RECOMMENDED FOR USE IN ALUMINUM ALLOYS, STAINLESS STEEL, TITANIUM ALLOYS AND OTHER HARD ALLOY STEEL DRILLING.