Irwin 10239, Unibit Step Drill #9, Fractional Self-Starting (HSS) Concrete & Masonry ▪ Number of Holes: 3

▪ Number of Holes: 3

▪ Blade Length (in): 6

▪ Product Type *: Locking Pliers

Anti-stick coating reduces friction and gum-up

ASTM F1505-10 & NFPA 70E standards and meet the OSHA insulated tool requirement

Irwin 10239, Unibit Step Drill #9, Fractional Self-Starting (HSS) Concrete & Masonry ▪ Number of Holes: 3Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates Single flute cutting edge for greater control through steps Patented single flute cutting edge gives the user a true round hole every time 3 faltted shank prevents slipping in drill chuck New speedpoint tip penetrates faster than previous unibits and prevents walking