15/64 x 12" Cobalt Aircraft Extension Drill Bit Black & Gold Metric Drills The round shank fits various

The round shank fits various tool-holding systems

and other thin materials without the need for center punching

They excel in drilling tough

and inconel with ease

The exclusive single radial concave flute creates perfectly round holes in metal

15/64 x 12" Cobalt Aircraft Extension Drill Bit Black & Gold Metric Drills The round shank fits variousDescription The M35 Cobalt Drill Bit is an extra long drill bit designed for drilling tough materials like stainless steel, inconel, and titanium. It has a 135 split point tip for fast and accurate drilling and is manufactured to Aerospace Standard 907 for superior quality. The drill bit has a round shank that works with a wide range of tool holding systems. It displays high red hardness, allowing for speeds up to 30% faster than conventional M2 high