Irwin Tools 10233 Unibit® 9-Hole High Speed Step Drill, 1/4" - 3/4" Autumn_Cleaning Maximum material thickness 1/8"

Maximum material thickness 1/8"

Manual external bleed allows for operation without electrical power

crush rated

Door Preparation: 2-1/8" diameter for lever

trap/drain

Irwin Tools 10233 Unibit® 9-Hole High Speed Step Drill, 1/4" - 3/4" Autumn_Cleaning Maximum material thickness 1/8"Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. Features 3 flatted shank, shank size 3 8". Single fluted cutting edge assures true round holes & allows greater control. Hole sizes: 1 4" 3 4" Maximum material thickness: 1 8" Number of holes: 9 steps 3 flatted shank Shank size 3 8" Single fluted cutting edge assures true round holes & allows greater control Ideal for drilling holes