#25 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Overall Length: 7-1/2"

Overall Length: 7-1/2"

The carbide tips allows for fast drilling of larger diameter holes with longer life and the ability to perform in more abrasive and harder materials than high speed cutters

Part Number: M10C20ASBA2

The tip of the hook comes to a sharp 30-degree tapered point to keep the strength as close to the tip as possible

Part Number DWDTS1-19/32

#25 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Overall Length: 7-1/2"Product 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