#22 x 12" Cobalt Aircraft Extension Drill Bit 6" Cobalt Aircraft Fractional Drills letting you use larger drill

letting you use larger drill sizes in a standard 1/2" drill chuck

The M35 Cobalt Drill Bit is an extra-long drill bit designed for drilling tough materials like stainless steel

They are manufactured from M2 premium-grade high-speed steel and can be used in various materials such as aluminum

Shank: 1/2"

Jobber (standard) length drill bit

#22 x 12" Cobalt Aircraft Extension Drill Bit 6" Cobalt Aircraft Fractional Drills letting you use larger drillDescription 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