Diameter: 9/16" to 1" in 1/16" steps. 8 steps. 1/2" shank. These amazing drill bits will make sheet metal work a snap! No need to keep changing drill bits. One Unibit will drill many different size holes.
Drill bit features a radial concave flute with a Speedpoint™ tip. Sizes are laser marked on the drill bit. Bit has increments in measurements for 1/2" and 3/4" KO.