21/64 x 12" Cobalt Aircraft Extension Drill Bit 6" Cobalt Aircraft Fractional Drills The 135° split point tip

The 135° split point tip starts fast and drills true

The 135° split point tip ensures fast starts and precise drilling with less walking

and titanium and their high red hardness allows for quicker and cleaner holes when compared to conventional M2 drills

Our M35 cobalt drills are designed for easy drilling through the toughest materials

21/64 x 12" Cobalt Aircraft Extension Drill Bit 6" Cobalt Aircraft Fractional Drills The 135° split point tipDescription 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