#30 x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com It can easily measure rivet

It can easily measure rivet diameter

This set includes diagonal cutters to snip wires

plastic wood and other thin materials without center punching

Each chisel is individually heat treated to harden and strengthen the tip while maintaining the soft temper of the striking end

Shape Corner Rounding

#30 x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com It can easily measure rivetProduct Description Cobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. They have a 135 split point tip for fast penetration and accurate drilling. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Ideal for drilling