15/32 x 12" Cobalt Aircraft Extension Drill Bit Hex Shank Black & Gold The length between the chucking

The length between the chucking slot on the shank to the end of the shank is a standard 3/8"

KFDHEX Series - HSS Quick-Change Hex Shank Drill Bits

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

and other thin materials without the need for center punching

maintenance

15/32 x 12" Cobalt Aircraft Extension Drill Bit Hex Shank Black & Gold The length between the chuckingDescription 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