#52 x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com Precise 6-point and 12-point openings

Precise 6-point and 12-point openings provide an exact fit for hex fasteners

The gradually tapered alignment punch is machined to precise tolerances and is designed to align holes to position multiple parts for accurate assembly

Part Number: EZ-EZ-303-8

Part Number: 100C300HSBA325G/PT

All of the tools come stored in a sturdy

#52 x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com Precise 6-point and 12-point openingsProduct 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