DEWALT 7/32-in 3-3/4-in Cobalt Alloy Steel Jobber Length Twist Drill Bit in the Twist Drill Bits department at Lowes.com
1/4" - 3/4" High Speed Steel Step Drill
DEWALT 3/4 in. Black and Gold Twist Drill Bit DW1625 G - The Home Depot
Fisch - 3/4" Chrome-Vanadium Steel Brad Point Drill Bit
KnKut 3/8" x 4" Carbide Tipped Hard Steel Drill Bit
Amazon.com: Lichamp Step Drill Bit Set for Metal Sheet Heavy Duty, 5-Piece Genuine M2 HSS Step Up Down Drill Bits Stepper Unibit for Steel Hole, 50 Sizes from 1/8 to 1-3/8 inches :
3/4" High Speed Steel Reduced Shank Drill Bit with 1/2" Shank - Walmart.com
Mibro 3/4 in. Silver and Deming Drill Bit at Tractor Supply Co.
McJ Tools 3/4 Inch HSS M2 Drill Bit Hole Saw for Metal, Steel, Iron, Alloy; Ideal for Electricians, Plumbers, DIYers, Metal Professionals - Walmart.com