Irwin Industrial Tools 15102ZR Unibit2T Titanium Nitride Coating Nitrate 3/16-Inch to 1/2-Inch by 1/4-Inch

Designed with a SPEEDPOINT tip for fast starts, the UNIBIT #2 3/16 in.–1/2 in. Titanium Nitride Coating HSS Step Drill Bit powers through thin materials. The Titanium Nitride Coating stands up to heat and friction for longer bit life. You can drill up to 6 sizes on one bit. The 1/4 in. hex-shaped shank secures easily in drill.
Designed with a SPEEDPOINT tip for fast starts, the UNIBIT #2 3/16 in.–1/2 in. Titanium Nitride Coating HSS Step Drill Bit powers through thin materials. The Titanium Nitride Coating stands up to heat and friction for longer bit life. You can drill up to 6 sizes on one bit. The 1/4 in. hex-shaped shank secures easily in drill.