Irwin 5/64 In. Black Oxide Drill Bit (2-Pack)
General purpose bit for drilling through metal, wood, fiberglass, stainless steel. Constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance. Black oxide coating resists corrosion. 135 degree split point drills on contact and prevents walking. Tapered web eliminates bit spinning in the chuck.