Irwin Tools 10233 Unibit® 9-Hole High Speed Step Drill, 1/4" - 3/4" BF20 5/16" x 500'

5/16" x 500'

nursery stock seedlings

Durable plastic construction

Operates on standard 120 volt

chrome fixtures

Irwin Tools 10233 Unibit® 9-Hole High Speed Step Drill, 1/4" - 3/4" BF20 5/16" x 500'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