Irwin Tools 10235 Unibit® 10-Hole High Speed Step Drill, 1/4" - 1-3/8" Out of Stock For 6 to 16 pound

For 6 to 16 pound sledge or striking hammers

unique formula starts working immediately

Provides excellent heat distribution

Concrete patcher

Note: If buffing is difficult

Irwin Tools 10235 Unibit® 10-Hole High Speed Step Drill, 1/4" - 1-3/8" Out of Stock For 6 to 16 poundIdeal 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