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.
5/32" (0.1563) diameter, 2" 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."
3/16" (0.1875) diameter, 2-5/16" 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."
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. Has single-flute cutting edge for greater control through steps.