Results for "step-drill" 2 products found Irwin Unibit 3/4 to 1/4 in. Step-Drill Bit, 3/8 in. Shank (10233) IRWIN ★ 4.0/5 Budget Irwin Unibit 13 1-1/8 in Step-Drill Bit, 1/2 in Shank IRWIN ★ 3.9/5 Mid-Range Page 1