Crain 223 1/8" Carbide Bit

The No. 223 is a?1/8" solid carbide drill bit to create for?1/8" holes in concrete suitable for fastening our No. 078, No. 580, or No. 780 aluminum drives. Each bit includes two usable ends. This drill bit requires a No. 225?1/8" Hexagon Adaptor to adapt it to the chuck of a drill. Drill RPM must be maintained between 1700 to 3500 RPM. Length: 1 7/16". Net weight:?1/6?oz.