• Ideal for hole making in sheet metal and other thin materials
• M35 high speed steel stays sharp longer for fast cutting and long service life
• Split point, two flute design provides fast penetration and maximum chip clearance
• Gold finish minimizes heat build up and reduces friction, increasing life and performance
• Three flat shank prevents slipping in chuck
• Step increments for 579214** 1/4, 25/64, 35/64, 11/16, 13/16, 7/8, 1, 1-1/8, 1-7/32, 1-1/4, 1-3/8"