- Single-flute cutting edge for greater control through steps
- Three flatted shank prevents slipping in drill chuck
- Non-skid self-starting tip eliminates skidding and the need for center punching
IRWIN Tools
Irwin Unibit Step Drill, 4/Piece Set-HSS #1,#2, #4, #21 #IR-10225 (1/Pkg)
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