1/8" (0.1250) diameter, 1-5/8" Flute Length. Zero-degree rake, a 90-degree point, and parabolic cutting flutes to drill through Plexiglas, and acrylic plastics without binding or "breaking out."
Diameter: 1/4" to 3/4" in 1/16" steps. 9 steps. 3/8" 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.