#30 x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com This set includes diagonal cutters

This set includes diagonal cutters to snip wires

the Type "D" cobalt drill will have a significantly greater tool life than the NAS 965 Type B high speed steel adapter drill

Shape Corner Rounding

Part Number DWRR54

plastic wood and other thin materials without center punching

#30 x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com This set includes diagonal cuttersProduct 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