Irwin Unibit 10234 Unibit #4 Cobalt HSS 12-Step Drill Bit (3/16" - 7/8")
Irwin Unibit Step drill bits high speed steel - speed point fractional self-starting"unibit" 12 hole sizes 3/8 inches shank - carded size 3/16 inches - 7/8 steps 1/16 inches High speed steel bit with single flute cutting edge for greater control through steps; hex shank prevents slipping in drill chuck. SpeedPoint tip penetrates faster and prevents walking in applications such as drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.
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Irwin Unibit Step drill bits high speed steel - speed point fractional self-starting"unibit" 12 hole sizes 3/8 inches shank - carded size 3/16 inches - 7/8 steps 1/16 inches High speed steel bit with single flute cutting edge for greater control through steps; hex shank prevents slipping in drill chuck. SpeedPoint tip penetrates faster and prevents walking in applications such as drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.