Irwin Tools 10235 Unibit® 10-Hole High Speed Step Drill, 1/4" - 1-3/8" BF15 as a security dead bolt

as a security dead bolt

landscaping and concrete curing

Water Capacity (without tree): 1

Ready to use out of the bag

Irwin Tools 10235 Unibit® 10-Hole High Speed Step Drill, 1/4" - 1-3/8" BF15 as a security dead boltIdeal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. Features 3 flatted shank, shank size 1 2". Single fluted cutting edge assures true round holes & allows greater control. Hole sizes: 1 4" 1 3 8" Maximum material thickness: 1 8" Number of holes: 10 steps 3 flatted shank Shank size 3 8" In 1 8" increments Single fluted cutting edge assures true round holes & allows greater control Ideal