Tools
Irwin Unibit 10220 Step Drill Bit, 9/16 to 1 in. Dia, 1-Flute, 7/16 in. Dia Hex Shank
$192.84
BBD
Hole enlarging features bit single flute cutting edge for greater control through steps and a true round hole, 3 flatted shank prevents slipping in drill chuck. Used in applications such as drilling holes into thin stainless steel, copper, brass, aluminum, plastic and laminates, pilot hole required.
Last updated 17 hours ago
