DeWalt Step Drill Bit, 7/8", 1-1/8" Step Drill Bit (2 Hole Sizes)

Irwin Step Drill Bit, Size: 11-7/8", Number of holes: 1

Irwin Step Drill Bit, Type: #13 UNIBIT Step Drill, Size: 1-1/8", Number of holes: 1

Vari-Bit Step Drill Bit, #1, 1/8 in to 1/2 in, 13 Steps

Vari-Bit step drill bit from Lenox covering 7/8 to 1-3/8 inch in 5 steps. Cuts larger holes in sheet metal and panels for conduit, knockouts, and HVAC penetrations.

Irwin Step Drill Bit, Type: 1T 13 Hole Sizes (1/8"-1/2 ), Size: 1/32" Increments