Do it Best 1/2 In. Cobalt Drill Bit 251511DB (Pack of 2)

* Industrial quality cobalt drill bits are designed for drilling in hard abrasive materials such as stainless steel and titanium.* The 135 deg. split point penetrates immediately and prevents walking.* Effective in drilling tough, high tensile strength materials like stainless steel, Inconel, and titanium.* Manufactured to National Aerospace standard 907.