- HEAVY-DUTY USE: M-35 Cobalt Alloy Steel for drilling stainless steel and other rugged materials
- PRECISION CONTROL: Single-flute cutting edge makes true round holes
- SLIP-RESISTANT: Hex-shaped shank secures easily in drill
- INCLUDES A SET of 3 step drill bits
![Irwin Step Drills, Cobalt,1/4"-3/4", 9 Steps, #IR-10233CB (1/Pkg) Irwin Step Drills, Cobalt,1/4"-3/4", 9 Steps, #IR-10233CB (1/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/259852/364723/585-10233CB__26091.1595386871.jpg?c=2)