29-Piece 8 Percent Cobalt Drill Bit Set 1/16 in - 1/2 in x 64ths

Set includes 1/16in 1.59 mm through 1/2in 12.7 mm by 64ths 8% cobalt fractional drill bits with metal index. 8% cobalt drill bits are made of heat resistant, heavy-duty, 8% cobalt high speed steel HSS and feature a gold finish.Benefits: Furnished with 135 degrees type P3 split point that begins cutting action immediately, penetrates faster with less pressure and prevents walking Developed for drilling holes in hard, tough materials such as stainless steel, titanium, high temperature, and high strength alloys No center punch needed National Aerospace Standard 907 Type J