Features and Benefits:
- No Center Punch Needed. National Aerospace Standard 907 Type J.
Set includes 1/16" (1.59 mm) through 1/2" (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° 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