Step Drill Bits

Milwaukee 48-89-9204 Step Drill Bit, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, HSS, 12 Hole Sizes, 3/8 in Shank

Irwin UNIBIT 10231 Self-Starting Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, High Speed Steel, 1 Hole Size, 1/4 in Shank

Irwin UNIBIT 10310 Self-Starting Step Drill Bit, 1/2 in Dia Min Hole, 1/2 in Dia Max Hole, 1 Step, High Speed Steel, 10 Hole Sizes, 1/4 in Shank

Irwin UNIBIT 10232 Self-Starting Step Drill Bit, 3/16 in Dia Min Hole, 1/2 in Dia Max Hole, 6 Steps, High Speed Steel, 2 Hole Sizes, 1/4 in Shank

Irwin UNIBIT 10233 Self-Starting Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, 9 Steps, High Speed Steel, 3 Hole Sizes, 3/8 in Shank

Irwin Unibit 10234 Step Drill Bit, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, HSS, 12 Hole Sizes, 3/8 in Shank

Irwin Unibit 15104 Self-Starting Hss Step Drill, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, 12 Hole Sizes, 3/8 in Shank

Irwin UNIBIT 10235 Self-Starting Step Drill Bit, 1/4 in Dia Min Hole, 1-3/8 in Dia Max Hole, 10 Steps, High Speed Steel, 5 Hole Sizes, 7/16 in Shank